Welcome to LookChem.com Sign In|Join Free

Products

  • or
Home > Pharmaceutical > 142217 > 

142217-69-4
Refine

Refine

Country

Business Type

Certificate

Display

Products Categories

Basic Information
CAS No.: 142217-69-4
Name: Entecavir
Article Data: 37
Molecular Structure:
Molecular Structure of 142217-69-4 (Entecavir)
Formula: C12H15N5O3
Molecular Weight: 277.283
Synonyms: 2-amino-9-[(3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene-cyclopentyl]-3H-purin-6-one;ETV;6H-Purin-6-one, 2-amino-1,9-dihydro-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-;2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene-cyclopentyl]-3H-purin-6-one;SQ 34676;BMS 200475;Baraclude;6H-Purin-6-one,2-amino-1,9-dihydro-9- [(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2- methylenecyclopentyl]-;Taizhou hikong chemical sell Entecavir;Entecavi;Enteca;Entecavir(monohydrate)--Crude Product;
EINECS: 604-279-5
Density: 1.81 g/cm3
Melting Point: 249-252 °C
Boiling Point: 734.2 °C at 760 mmHg
Flash Point: 397.9 °C
Appearance: white to off-white/yellow crystalline powder
Safety: 24/25
PSA: 130.05000
LogP: -0.24660
Related products
Synthetic route
1383812-22-3

((1 R,3S,5S)-5-acetoxy-3-(2-amino-6-chloro-9H-purin-9-yl)-2-methylenecyclopentyl)methyl acetate

142217-69-4

2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-metylidenecyclopentyl]-3H-purin-6-one

Conditions
ConditionsYield
Stage #1: ((1 R,3S,5S)-5-acetoxy-3-(2-amino-6-chloro-9H-purin-9-yl)-2-methylenecyclopentyl)methyl acetate With sodium hydroxide at 80℃; for 2h;
Stage #2: With hydrogenchloride In water at 0℃; pH=7;		60%
1383811-98-0

(1S,3R)-3-(tert-butyldimethylsilyloxy)-1-(oxiran-2-yl)pent-4-yn-1-ol

142217-69-4

2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-metylidenecyclopentyl]-3H-purin-6-one

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: chloro-trimethyl-silane; 2,4,6-trimethyl-pyridine; zinc / bis(cyclopentadienyl)titanium dichloride / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
2.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
3.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
4.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
5.1: sodium hydroxide / 2 h / 80 °C
5.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 6 steps
1.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
2.1: manganese; 2,4,6-collidine hydrochloride / bis(cyclopentadienyl)titanium dichloride / tetrahydrofuran / 4 h / 20 °C
3.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
4.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
5.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
6.1: sodium hydroxide / 2 h / 80 °C
6.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 7 steps
1.1: triethylamine; dmap / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
2.1: 2,4,6-trimethyl-pyridine; zinc; bis(cyclopentadienyl)titanium dichloride; chloro-trimethyl-silane / tetrahydrofuran / 4 h / 20 °C / Inert atmosphere
3.1: triethylamine; dmap / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
4.1: [(1S)-7,7-dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulfonic acid; methanol / 4 h / 0 - 20 °C / Inert atmosphere; Enzymatic reaction
5.1: triphenylphosphine / tetrahydrofuran / 0.25 h / 20 °C / Inert atmosphere
5.2: 4.17 h / -10 °C / Inert atmosphere
6.1: formic acid / 9 h / 50 °C / Inert atmosphere
7.1: sodium methylate / methanol / 0.5 h / 20 °C / Inert atmosphere
7.2: pH 7 / Inert atmosphere
View Scheme
1383811-86-6

(3S,5R)-7-(trimethylsilyl)hept-1-en-6-yne-3,5-diol

142217-69-4

2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-metylidenecyclopentyl]-3H-purin-6-one

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1.1: 1H-imidazole / tetrahydrofuran / 0 - 15 °C / Inert atmosphere
2.1: potassium carbonate; methanol / 1 h / 20 °C / Inert atmosphere
3.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
4.1: chloro-trimethyl-silane; 2,4,6-trimethyl-pyridine; zinc / bis(cyclopentadienyl)titanium dichloride / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
5.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
6.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
7.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
8.1: sodium hydroxide / 2 h / 80 °C
8.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 8 steps
1.1: 1H-imidazole / tetrahydrofuran / 5 h / 0 - 20 °C / Inert atmosphere
2.1: potassium carbonate; methanol / 1 h / 20 °C / Inert atmosphere
3.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
4.1: chloro-trimethyl-silane; 2,4,6-trimethyl-pyridine; zinc / bis(cyclopentadienyl)titanium dichloride / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
5.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
6.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
7.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
8.1: sodium hydroxide / 2 h / 80 °C
8.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 9 steps
1.1: 1H-imidazole / tetrahydrofuran / 0 - 15 °C / Inert atmosphere
2.1: potassium carbonate; methanol / 1 h / 20 °C / Inert atmosphere
3.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
4.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
5.1: manganese; 2,4,6-collidine hydrochloride / bis(cyclopentadienyl)titanium dichloride / tetrahydrofuran / 4 h / 20 °C
6.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
7.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
8.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
9.1: sodium hydroxide / 2 h / 80 °C
9.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 9 steps
1.1: 1H-imidazole / tetrahydrofuran / 5 h / 0 - 20 °C / Inert atmosphere
2.1: potassium carbonate; methanol / 1 h / 20 °C / Inert atmosphere
3.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
4.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
5.1: manganese; 2,4,6-collidine hydrochloride / bis(cyclopentadienyl)titanium dichloride / tetrahydrofuran / 4 h / 20 °C
6.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
7.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
8.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
9.1: sodium hydroxide / 2 h / 80 °C
9.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 10 steps
1.1: 1H-imidazole / tetrahydrofuran / 5 h / 0 - 20 °C / Inert atmosphere
2.1: potassium carbonate; methanol / 1 h / 20 °C / Inert atmosphere
3.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
4.1: triethylamine; dmap / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
5.1: 2,4,6-trimethyl-pyridine; zinc; bis(cyclopentadienyl)titanium dichloride; chloro-trimethyl-silane / tetrahydrofuran / 4 h / 20 °C / Inert atmosphere
6.1: triethylamine; dmap / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
7.1: [(1S)-7,7-dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulfonic acid; methanol / 4 h / 0 - 20 °C / Inert atmosphere; Enzymatic reaction
8.1: triphenylphosphine / tetrahydrofuran / 0.25 h / 20 °C / Inert atmosphere
8.2: 4.17 h / -10 °C / Inert atmosphere
9.1: formic acid / 9 h / 50 °C / Inert atmosphere
10.1: sodium methylate / methanol / 0.5 h / 20 °C / Inert atmosphere
10.2: pH 7 / Inert atmosphere
View Scheme
1383811-90-2

(3S,5R)-5-(tert-butyldimethylsilyloxy)-7-(trimethylsilyl)hept-1-en-6-yn-3-ol

142217-69-4

2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-metylidenecyclopentyl]-3H-purin-6-one

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1.1: potassium carbonate; methanol / 1 h / 20 °C / Inert atmosphere
2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
3.1: chloro-trimethyl-silane; 2,4,6-trimethyl-pyridine; zinc / bis(cyclopentadienyl)titanium dichloride / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
4.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
5.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
6.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
7.1: sodium hydroxide / 2 h / 80 °C
7.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 8 steps
1.1: potassium carbonate; methanol / 1 h / 20 °C / Inert atmosphere
2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
3.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
4.1: manganese; 2,4,6-collidine hydrochloride / bis(cyclopentadienyl)titanium dichloride / tetrahydrofuran / 4 h / 20 °C
5.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
6.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
7.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
8.1: sodium hydroxide / 2 h / 80 °C
8.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 9 steps
1.1: potassium carbonate; methanol / 1 h / 20 °C / Inert atmosphere
2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
3.1: triethylamine; dmap / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
4.1: 2,4,6-trimethyl-pyridine; zinc; bis(cyclopentadienyl)titanium dichloride; chloro-trimethyl-silane / tetrahydrofuran / 4 h / 20 °C / Inert atmosphere
5.1: triethylamine; dmap / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
6.1: [(1S)-7,7-dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulfonic acid; methanol / 4 h / 0 - 20 °C / Inert atmosphere; Enzymatic reaction
7.1: triphenylphosphine / tetrahydrofuran / 0.25 h / 20 °C / Inert atmosphere
7.2: 4.17 h / -10 °C / Inert atmosphere
8.1: formic acid / 9 h / 50 °C / Inert atmosphere
9.1: sodium methylate / methanol / 0.5 h / 20 °C / Inert atmosphere
9.2: pH 7 / Inert atmosphere
View Scheme
1383811-94-6

(3S,5R)-5-(tert-butyldimethylsilyloxy)hept-1-en-6-yn-3-ol

142217-69-4

2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-metylidenecyclopentyl]-3H-purin-6-one

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
2.1: chloro-trimethyl-silane; 2,4,6-trimethyl-pyridine; zinc / bis(cyclopentadienyl)titanium dichloride / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
3.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
4.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
5.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
6.1: sodium hydroxide / 2 h / 80 °C
6.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 7 steps
1.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
2.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
3.1: manganese; 2,4,6-collidine hydrochloride / bis(cyclopentadienyl)titanium dichloride / tetrahydrofuran / 4 h / 20 °C
4.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
5.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
6.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
7.1: sodium hydroxide / 2 h / 80 °C
7.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 8 steps
1.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere
2.1: triethylamine; dmap / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
3.1: 2,4,6-trimethyl-pyridine; zinc; bis(cyclopentadienyl)titanium dichloride; chloro-trimethyl-silane / tetrahydrofuran / 4 h / 20 °C / Inert atmosphere
4.1: triethylamine; dmap / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
5.1: [(1S)-7,7-dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulfonic acid; methanol / 4 h / 0 - 20 °C / Inert atmosphere; Enzymatic reaction
6.1: triphenylphosphine / tetrahydrofuran / 0.25 h / 20 °C / Inert atmosphere
6.2: 4.17 h / -10 °C / Inert atmosphere
7.1: formic acid / 9 h / 50 °C / Inert atmosphere
8.1: sodium methylate / methanol / 0.5 h / 20 °C / Inert atmosphere
8.2: pH 7 / Inert atmosphere
View Scheme
1383812-02-9

(1S,3R)-3-(tert-butyldimethylsilyloxy)-1-(oxiran-2-yl)pent-4-ynyl acetate

142217-69-4

2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-metylidenecyclopentyl]-3H-purin-6-one

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: manganese; 2,4,6-collidine hydrochloride / bis(cyclopentadienyl)titanium dichloride / tetrahydrofuran / 4 h / 20 °C
2.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
3.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
4.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
5.1: sodium hydroxide / 2 h / 80 °C
5.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 6 steps
1.1: 2,4,6-trimethyl-pyridine; zinc; bis(cyclopentadienyl)titanium dichloride; chloro-trimethyl-silane / tetrahydrofuran / 4 h / 20 °C / Inert atmosphere
2.1: triethylamine; dmap / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
3.1: [(1S)-7,7-dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulfonic acid; methanol / 4 h / 0 - 20 °C / Inert atmosphere; Enzymatic reaction
4.1: triphenylphosphine / tetrahydrofuran / 0.25 h / 20 °C / Inert atmosphere
4.2: 4.17 h / -10 °C / Inert atmosphere
5.1: formic acid / 9 h / 50 °C / Inert atmosphere
6.1: sodium methylate / methanol / 0.5 h / 20 °C / Inert atmosphere
6.2: pH 7 / Inert atmosphere
View Scheme
1383812-06-3

(1S,2R,4R)-4-(tert-butyldimethylsilyloxy)-2-(hydroxymethyl)-3-methylenecyclopentyl acetate

142217-69-4

2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-metylidenecyclopentyl]-3H-purin-6-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
2.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
3.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
4.1: sodium hydroxide / 2 h / 80 °C
4.2: 0 °C / pH 7
View Scheme
Multi-step reaction with 5 steps
1.1: triethylamine; dmap / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
2.1: [(1S)-7,7-dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulfonic acid; methanol / 4 h / 0 - 20 °C / Inert atmosphere; Enzymatic reaction
3.1: triphenylphosphine / tetrahydrofuran / 0.25 h / 20 °C / Inert atmosphere
3.2: 4.17 h / -10 °C / Inert atmosphere
4.1: formic acid / 9 h / 50 °C / Inert atmosphere
5.1: sodium methylate / methanol / 0.5 h / 20 °C / Inert atmosphere
5.2: pH 7 / Inert atmosphere
View Scheme
701278-65-1

(1S,2R,4R)-4-((tert-butyldimethylsilyl)oxy)-2-(hydroxymethyl)-3-methylenecyclopentanol

142217-69-4

2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-metylidenecyclopentyl]-3H-purin-6-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: dmap; triethylamine / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
2.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
3.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
4.1: sodium hydroxide / 2 h / 80 °C
4.2: 0 °C / pH 7
View Scheme
1383812-10-9

((1R,3R,5S)-5-acetoxy-3-(tert-butyldimethylsilyloxy)-2-methylenecyclopentyl)methyl acetate

142217-69-4

2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-metylidenecyclopentyl]-3H-purin-6-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: pyridine; hydrogen fluoride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
2.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
3.1: sodium hydroxide / 2 h / 80 °C
3.2: 0 °C / pH 7
View Scheme

((1R,3R,5S)-5-acetoxy-3-hydroxy-2-methylenecyclo-pentyl) methyl acetate

142217-69-4

2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-metylidenecyclopentyl]-3H-purin-6-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: triphenylphosphine; di-isopropyl azodicarboxylate / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / -40 °C / Inert atmosphere
2.1: sodium hydroxide / 2 h / 80 °C
2.2: 0 °C / pH 7
View Scheme
Raw Materials
10310-21-1
117641-39-1
110567-22-1
142217-77-4
4984-82-1
142217-78-5
142217-80-9
142217-81-0
Hot Products
  • Display:default sort

    New supplier

  • Entecavir Monohydrate

  • Casno:

    142217-69-4

    Entecavir Monohydrate

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.0-0.0

    Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

    Hangyu Biotech is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and O

  •  Zibo Hangyu Biotechnology Development Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-15965530500

    Address:Room1701, Tianxing Building,Licheng district, jinan, Shandong, China

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 25 Gram

    FOB Price:  USD $ 0.0-0.0

    Shanghai Sikuo Chemical Technology Co., Ltd. was established in 2012 and is a chemical supplier that integrates research and development, production, and sales. Dedicated to providing basic chemical, fine chemical, pesticide, and pharmaceutical inter

    Founded in 2012, Shanghai Scochem Technology Co., Ltd.?is a high-tech enterprise integrating R&D, production and sales. It’s located in Zhangjiang Hi-tech Park of Shanghai. We are

  •  Shanghai Scochem Technology Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:021-33758897

    Address:3rd Building, Hua Yi Road 76 Zhangjiang Pudong New Area Shanghai, China

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-1.0

    We are concentrating on APIs and pharmaceutical intermediates. With in depth knowledge and understanding in this industry, we are indulged in supplying a wide assortments of Entecavir from Wuhan, Hubei, China. It is made obtainabl

    Hubei Hanways Pharmchem Co.,Limited is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. Now we

  •  HANWAYS CHEMPHARM CO.,LIMITED

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-18502787239(whatsapp)

    Address:18-1-802, Green Garden, Jianghan District, Wuhan 430023, China

       Inquiry Now

  • 99.5% up by Entecavir powder Entecavir API 142217-69-4

  • Casno:

    142217-69-4

    99.5% up by Entecavir powder Entecavir API 142217-69-4

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 0.0-0.0

    Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c

    Sinoway Industrial co., ltd. was established in 1987 in Xiamen, China, and now has been a leading group specialized in research, development, custom manufacturing and trading of ph

  •  Sinoway Industrial Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-592-5853819

    Address:16/F,Huicheng Comm,Complex,No839 XiaHe Rd, Xiamen,China

       Inquiry Now

  • CAS 142217-69-4 Entecavir

  • Casno:

    142217-69-4

    CAS 142217-69-4 Entecavir

    Min.Order: 1 Gram

    FOB Price:  USD $ 10.0-10.0

    We are manufacture for the materials, and other sarms,steriods ,we also produce, price is very competitive, quality very good. Appearance:white powder Application:Pharmaceutical

    Wuhan Vanz Pharm Inc. is a manufacturer&trading company.

  •  Hubei Vanz Pharm Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:86-27-84492310

    Address:FANHU INDUSTRY PARK

       Inquiry Now

  • Entecavir Manufacturer/High quality/Best price/In stock

  • Casno:

    142217-69-4

    Entecavir Manufacturer/High quality/Best price/In stock

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 3.0-3.0

    Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

    Dayang Chem (Hangzhou) Co.,Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredi

  •  Dayang Chem (Hangzhou) Co.,Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-88938639

    Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China

       Inquiry Now

  • Entecavir in stock

  • Casno:

    142217-69-4

    MSDS/COA Download

    Entecavir in stock

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 1.0-3.0

    hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

    Hebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of

  •  Hebei yanxi chemical co.,LTD.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86 17531153977

    Address:Zhang zhe, guangzong county, xingtai city, hebei province

       Inquiry Now

  • Good quality Entecavir (monohydrate) CAS 142217-69-4 with favorable price

  • Casno:

    142217-69-4

    Good quality Entecavir (monohydrate) CAS 142217-69-4 with favorable price

    Min.Order: 10 Gram

    FOB Price:  USD $ 40.0-50.0

    1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White to off-white powder Storage:-20°C Freezer Package:10g/b

    Wuhan Fortuna Chemical Co., Ltd, located in the predominant Wu Han City where is a traffic hinge of China, is a big integrative chemical enterprise being engaged in producing and

  •  Wuhan Fortuna Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-27-59207852

    Address:Add: Room 2015, No.2 Building, Kaixin Mansion No.107 Jinqiao Avenue, Wuhan, China

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

    Located in Zhengdong New District,?Zhengzhou of Henan province, Henan Allgreen Chemical Co.,Ltd is a comprehensive high-tech modern enterprises integrating professional R&D, pro

  •  Henan Allgreen Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-0371-87507775

    Address:No 260 Dongming Road,Jinshui District

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 1 Gram

    FOB Price:  USD $ 12.0-12.0

    As a leading and professional manufacturer of APIs and API intermediates in China,Anhui Dexinjia Biopharm Co., Ltd founded in 2006, Except for the R&D center, our company has built a close cooperation relation with Chinese Academy of Sciences,

    ANHUI DEXINJIA BIOPHARM CO., LTD(JINAN DEXINJIA BIO&TECH CO., LTD), founded in 2006, is a professional Manufacturer of APIS and pharmaceutical intermediates. Our R&D and sales cent

  •  Anhui Dexinjia Biopharm Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-531-82375818

    Address:9 Hexie Road, kaifaqu, Taihe

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 5.0-5.0

    Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap

    Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,an

  •  Enke Pharma-tech Co.,Ltd. （Cangzhou, China ）

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:0086-317-5105699

    Address:40# Shuiyuesi Street, Cangzhou City,Hebei Province, China.

       Inquiry Now

  • lower price High quality Entecavir

  • Casno:

    142217-69-4

    lower price High quality Entecavir

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-1.0

    Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

    Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech bio chemical products enterprises. The company's

  •  Shanghai Seasonsgreen Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86 156 1855 4368

    Address:No.12, Lane 356, Chengnan Road, Chuansha Town, Shanghai

       Inquiry Now

  • Entecavir/ LIDE PHARMA- Factory supply / Best price

  • Casno:

    142217-69-4

    Entecavir/ LIDE PHARMA- Factory supply / Best price

    Min.Order: 1 Gram

    FOB Price:  USD $ 10.0-10.0

    Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&

    LIDE PHARMACEUTICALS LIMITED is one of the fastest growing pharmaceutical company in China. We have developed strategic partnership with our manufacturing associates having state o

  •  LIDE PHARMACEUTICALS LIMITED

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-25-58409506

    Address:11F, Building A1, No.288 North Zhongshan Road, Gulou District, Nanjing,210003, P.R.China.

       Inquiry Now

  • Pharmaceutical Grade CAS 142217-69-4 with competitive price

  • Casno:

    142217-69-4

    Pharmaceutical Grade CAS 142217-69-4 with competitive price

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 139.0-210.0

    WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

    Zhuo Zhou Wen Xi Import and Export Co., Ltd. is a company mainly engaged in the export of pharmaceutical raw materials. Its parent company is （Wen Xi Pharma）, including three subs

  •  Zhuozhou Wenxi import and Export Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-13111626072

    Address:Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei

       Inquiry Now

  • Entecavir monohydrate

  • Casno:

    142217-69-4

    Entecavir monohydrate

    Min.Order: 5 Gram

    FOB Price:  USD $ 1.0-1.0

    Chemical Name: Entecavir Molecular Formula: C12H15N5O3 Formula Weight: 277.283 CAS No.:142217-69-4;1367369-76-3 White to Off-White/Yellow Crystalline Powder Purity:99.5% Single impurity:NMT0.1% Total impurity:NMT0.3% Ad

    Welcome to Henan Sinotech! Sinotech Corporation has exceptional sourcing ability for chemicals used in Organic Fine Chemicals and APIs; Inorganic chemicals; Flame Retardants;OLED

  •  Henan Sinotech Import&Export Corporation

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:86-371-86181678

    Address:No. 260, Dongming Road,Jinshui District

       Inquiry Now

  • 99%min Entecavir Manufacturer 142217-69-4 Antiviral Anti-infectives

  • Casno:

    142217-69-4

    99%min Entecavir Manufacturer 142217-69-4 Antiviral Anti-infectives

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.0-0.0

    Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s

    Hubei Langyou International Trading Co., Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical I

  •  Wuhan 90000 Lithium Industry and Trade Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-027-83214688

    Address:No.43, Xinandu Industrial Park, East and West Lake District, Wuhan, Hubei, China

       Inquiry Now

  • Manufacturers Supply High Quality 99% Entecavir Raw Powder with Best Price Entecavir powder

  • Casno:

    142217-69-4

    Manufacturers Supply High Quality 99% Entecavir Raw Powder with Best Price Entecavir powder

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.6-0.6

    We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

    Xi'an faithful BioTech Co., Ltd. is located in the beautiful city of xian. We are mainly engaged in the production of pharmaceutical intermediates, natural active ingredients, nat

  •  Xi'an Faithful Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-13137770562

    Address:Room 503，Unit 2，Building 3 ，TianLangDaXingJun, Daxing East Road, Lianhu District

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

    Product Name: Entecavir CAS: 142217-69-4 MF: C12H15N5O3 MW: 277.28 EINECS: 604-279-5 Mol File: 142217-69-4.mol Entecavir Structure Entecavir Chemical Properties Melting point 249-252°C Boiling point 661.4±65.0 &

    SHANGHAI MINSTAR CHEMICAL CO., LTD. is a leading, experienced, professional supplier of API & intermediates, plant extract, food additive, fine chemicals and industry chemicals, et

  •  Shanghai Minstar Chemical Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:0086-21-18019205509

    Address:BUILDING 8, NO.1098, CHUANSHA ROAD, SHANGHAI, CHINA

       Inquiry Now

  • Entecavir CAS:142217-69-4

  • Casno:

    142217-69-4

    Entecavir CAS:142217-69-4

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

    Entecavir CAS:142217-69-4 .Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates

    Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, speciali

  •  Qingdao Beluga Import and Export Co., LTD

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+8613854236000

    Address:qingdao

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

    Specification:USP/EP Month production ablity:50kg/Month Low price& High quality Manufacturer Appearance:white powder Storage:Room Temperature Package:in aluminum bag and foil bag or as customers' require Application:142217-69-4 Transp

    Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd (JL Pharm) is established in 2012 at the beautiful West Lake – Hangzhou city, China. The company's main business includes R&D, Produ

  •  Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-571-86982636

    Address:Rm A606, Fuyi Center, jianqiao street, Jianggan Area

       Inquiry Now

  • CAS 142217-69-4 Entecavir

  • Casno:

    142217-69-4

    CAS 142217-69-4 Entecavir

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

    Hubei Jiutian Bio-medical Technology CO.,Ltd, which is professional in research and sale high techology.The company located in Wuhan, We insist on the concept of "technology first,

  •  Hubei Jiutian Bio-medical Technology Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-027-88013699

    Address:Room 03-6, 5th floor, building 1, international enterprise center phase iii, no. 1, guanggu avenue, east lake new technology development zone, wuhan city

       Inquiry Now

  • CAS NO.:142217-69-4

  • Casno:

    142217-69-4

    CAS NO.:142217-69-4

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

    The company is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds,

  •  Henan Wentao Chemical Product Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-370-2722992

    Address:32 Room, 5th Floor, Building 11, No. 6 Yinxing Road, High-tech Industrial Development Zone, Zhengzhou City, Henan Province

       Inquiry Now

  • Entecavir cas:142217-69-4

  • Casno:

    142217-69-4

    Entecavir cas:142217-69-4

    Min.Order: 25 Gram

    FOB Price:  USD $ 90.0-100.0

    Hebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several

    Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in carbomer, Dibenzylamine,meglumine,lead acetate and other chemical raw materials and chemical reagents research

  •  Hebei Mojin Biotechnology Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:13231137666

    Address:room 1401,A building,Enjoy city,shijiazhuang city,hebei province,China

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    Hello, Dear friend! I'm Hanson from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by email in time. produc

    Shandong Hanjiang Chemical Co., Ltd. is located in Zibo City, Shandong Province, China. It is a biotechnology enterprise engaged in the R&D, production and sales of drugs, steroids

  •  Shandong Hanjiang Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86 18369939125

    Address:No.25A Qilu Industrial Park

       Inquiry Now

  • entecavir

  • Casno:

    142217-69-4

    entecavir

    Min.Order: 100 Gram

    FOB Price:  USD $ 0.0-0.0

    Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By

    Triumph International Development Limilted is engaged in the API, pharmaceutical intermediates research and developmen.Adhering to the "customer first" business philosophy,we suppl

  •  Triumph International Development Limilted

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-536-7971999

    Address:Yinhai Road,Shouguang

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    High Purity Entecavir CAS 142217-69-4 ETV with Best Price

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-22.0

    Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other

    Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exp

  •  Hubei Yuanmeng Biological Technology Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-027-68897569

    Address:Hongshan District

       Inquiry Now

  • Entecavir 142217-69-4

  • Casno:

    142217-69-4

    Entecavir 142217-69-4

    Min.Order: 100 Milligram

    FOB Price:  USD $ 0.0-0.0

    Our company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-

    Taizhou Crene Biotechnology Co., Ltd.is a leading supplier of active pharmaceutical ingredients (APIs), with GLP labs and GMP manufacturing facilities engaging in organic synthesis

  •  Taizhou Crene Biotechnology co.ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-576-88813233 88205808

    Address:Economic Developed Zone of Taizhou Zhejiang China

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 0 Metric Ton

    FOB Price:  USD $ 0.0-0.0

    Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

    Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service profession

  •  Hangzhou Keyingchem Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-85378921

    Address:Jintong international Building, No.113,Huayuangang Street, Gong shu District, Hangzhou,Zhejiang, China.

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 1 Milligram

    FOB Price:  USD $ 0.0-0.0

    NewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed

    NewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated mo

  •  NewCan Biotech Limited

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0086-0571-86912261

    Address:No. 99, Wangzhou Road, Liangzhu Street, Yuhang District,Hangzhou,Zhejiang,P.R.China

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    Hello, dear friend! Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by email in time. product quality 1.The product quality h

    Suzhou senfeida Chemical Co., Ltd. is located in Hushuguan economic and Technological Development Zone, Suzhou high tech Zone. It is a civilian chemical enterprise that produces an

  •  Suzhou Senfeida Chemical Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:186-624-33356

    Address:Hushuguan Economic and Technological Development Zone, Suzhou High-tech Zone

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

    J&H Chemical is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other

  •  Hangzhou J&H Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-87396432

    Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

    Quatlity Assurance We are a GMP compliance manufacturer with over 20 years experience, We make strictly quality contral according to EU guidelines on Good Manufacturing Practice for Active Substances used as Starting Materials. VQ and plant audit ar

    Founded in 2007, Finetech is a high-tech enterprise focusing on the research and development, production and CDMO services of functional chemicals, KSMs, intermediates and APIs. Fi

  •  Nanjing Finetech Chemical Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:0086-25-52078417

    Address:No.9 Weidi Road Jiangsu Life-science High-tech Zone, 210046, Nanjing China.

       Inquiry Now

  • Entecavir in stock

  • Casno:

    142217-69-4

    Entecavir in stock

    Min.Order: 100 Gram

    FOB Price:  USD $ 1.9-2.9

    Appearance:liquid Storage:Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials. Package:Grams, Kilograms Application:For R&D and commerical use Transportati

    We are a team of industry experts, dedicated to delivering the best chemical solutions from quality suppliers across China. Putting our customers first, we take a holistic approach

  •  Chemlyte Solutions

    China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-189 8945 5137

    Address:Jian Qiao Community, 789 Shenhua Road, Xihu District, Hangzhou, China, 310000

       Inquiry Now

  • Entecavir

  • Casno:

    142217-69-4

    Entecavir

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    1) Quick response within 2 hours; 2) Quality guarantee: all products are strictly tested by our QC, confirmed by our QA before shipment; 3) Samples available for testing; 4) OEM/ODM Available; 5) Reasonable & Competitive price; 6) Fast

    Xi'an HDM Biotech Co., Ltd. was established in 2012. It is a high-tech professional and technical enterprise integrating R & D, production and sales. Located in the world-famous hi

  •  Xi'an HDM Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86 -029-19991242181

    Address:No. 1803, 18 / F, Unit 2, Building 1, No. 6299, Lanchi Second Road East, Zhengyang Street, Qinhan New City, Xixian New District, Shaanxi Province

       Inquiry Now

  • Entecavir/High quality/Best price

  • Casno:

    142217-69-4

    Entecavir/High quality/Best price

    Min.Order: 1 Gram

    FOB Price:  USD $ 1.0-1.0

    Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

    Shanghai Massive Chemical Technology Co., Ltd. is engaged in development, production and marketing Specialty Chemicals to satisfy the changing needs of the chemical industry. We sp

  •  Shanghai Massive Chemical Technology Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86 21 34943721

    Address:Room 435, 4th floor, Building 9, No. 2568 Gudai Road,Minhang District, Shanghai,

       Inquiry Now

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 142217-69-4

Specification

1. Introduction of Entecavir

Entecavir, with the IUPAC Name of 2-Amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-3H-purin-6-one, is one kind of white to off-white or yellow crystalline powder. This belongs to the product categories which include Antiviral Agents; Nucleotides and Nucleosides; Bases & Related Reagents; Intermediates & Fine Chemicals; Nucleotides; Pharmaceuticals.

2. Properties of Entecavir

Entecavir has the following property datas: (1)Freely Rotating Bonds: 4; (2)Polar Surface Area: 125.76 ?2; (3)Flash Point: 397.9 °C; (4)Enthalpy of Vaporization: 112.46 kJ/mol; (5)Boiling Point: 734.2 °C at 760 mmHg; (6)Vapour Pressure: 1.24E-22 mmHg at 25°C; (7)Melting Point: 249-252°C.

3. Structure Descriptors of Entecavir

You could convert the following datas into the molecular structure:
(1).SMILES: O.C=C3[C@H](CO)[C@@H](O)C[C@@H]3n2cnc1c2\N=C(\N)NC1=O Copy
(2).InChI: InChI=1/C12H15N5O3.H2O/c1-5-6(3-18)8(19)2-7(5)17-4-14-9-10(17)15-12(13)16-11(9)20;/h4,6-8,18-19H,1-3H2,(H3,13,15,16,20);1H2/t6-,7-,8-;/m0./s1 Copy
(3).InChIKey: YXPVEXCTPGULBZ-WQYNNSOEBH
(4).Std. InChI: InChI=1S/C12H15N5O3.H2O/c1-5-6(3-18)8(19)2-7(5)17-4-14-9-10(17)15-12(13)16-11(9)20;/h4,6-8,18-19H,1-3H2,(H3,13,15,16,20);1H2/t6-,7-,8-;/m0./s1 Copy
(5).Std. InChIKey: YXPVEXCTPGULBZ-WQYNNSOESA-N

4. Use of Entecavir

Entecavir is used to treat chronic hepatitis B. And it also helps prevent the hepatitis B virus from multiplying and infecting new liver cells. Besides, Entecavir is also indicated for the treatment of chronic hepatitis B in adults with HIV/AIDS infection, but Entecavir is not active against HIV.