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113-73-5

Basic Information
CAS No.: 113-73-5
Name: Gramicidin S
Molecular Structure:
Molecular Structure of 113-73-5 (Gramicidin S)
Formula: C60H92 N12 O10
Molecular Weight: 1141.45
Synonyms: 1H,5H-Dipyrrolo[1,2-a:1',2'-p][1,4,7,10,13,16,19,22,25,28]decaazacyclotriacontine,cyclic peptide deriv.; Cyclo(L-leucyl-D-phenylalanyl-L-prolyl-L-valyl-L-ornithyl-L-leucyl-D-phenylalanyl-L-prolyl-L-valyl-L-ornithyl);Cyclo(L-valyl-L-ornithyl-L-leucyl-D-phenylalanyl-L-prolyl-L-valyl-L-ornithyl-L-leucyl-D-phenylalanyl-L-prolyl);Gramicidin C; Gramicidin C (Russian); Gramicidin S 1; Gramicidin S-A; Grammidin
EINECS:
Density: 1.24g/cm3
Melting Point:
Boiling Point: 1394.8°Cat760mmHg
Flash Point: 797.4°C
Solubility:
Appearance:
Hazard Symbols:
Risk Codes:
Safety:
Transport Information:
PSA: 353.38000
LogP: 4.71140
Synthetic route
15207-29-1

Cyclo[(Val-Orn-(Cbz)-Leu-DPhe-Pro)2]

113-73-5

Gramicidin S

Conditions
ConditionsYield
With hydrogen; palladium In acetic acid for 4h;90%
With hydrogen; palladium on activated charcoal Hydrogenolysis;
With hydrogen
83830-88-0

D-Phe-Pro-Val-Orn-Leu-D-Phe-Pro-Val-Orn-Leu

113-73-5

Gramicidin S

Conditions
ConditionsYield
at 150℃; for 4h; Inert atmosphere; Neat (no solvent);87%
41839-95-6

[Orn(Boc)2,2']gramicidin

113-73-5

Gramicidin S

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane for 0.5h;78%
With trifluoroacetic acid In dichloromethane for 1h;
With chlorotriisopropylsilane; trifluoroacetic acid In water for 1.5h;
With trifluoroacetic acid In water at 20℃; for 1h;57 mg

H-(D-Phe-Pro-Val-Orn-Leu)2-ONSu

113-73-5

Gramicidin S

Conditions
ConditionsYield
With pyridine In N,N-dimethyl-formamide at 25℃; for 24h;65%

C70H110N12O15

113-73-5

Gramicidin S

Conditions
ConditionsYield
Stage #1: C70H110N12O15 With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide
Stage #2: With trifluoroacetic acid
53%

(S)-2-[(S)-5-tert-Butoxycarbonylamino-2-((S)-2-{[(S)-1-((R)-2-tert-butoxycarbonylamino-3-phenyl-propionyl)-pyrrolidine-2-carbonyl]-amino}-3-methyl-butyrylamino)-pentanoylamino]-4-methyl-pentanoic acid 2,5-dioxo-pyrrolidin-1-yl ester

A

113-73-5

Gramicidin S

B

cyclo(D-Phe-Pro-Val-Orn-Leu)

Conditions
ConditionsYield
Stage #1: (S)-2-[(S)-5-tert-Butoxycarbonylamino-2-((S)-2-{[(S)-1-((R)-2-tert-butoxycarbonylamino-3-phenyl-propionyl)-pyrrolidine-2-carbonyl]-amino}-3-methyl-butyrylamino)-pentanoylamino]-4-methyl-pentanoic acid 2,5-dioxo-pyrrolidin-1-yl ester With trifluoroacetic acid dealkoxycarbonylation;
Stage #2: With pyridine In N,N-dimethyl-formamide at 25℃; for 24h; Dimerization; cyclization;
A 38%
B 15%
917501-50-9

Boc-D-Phe-Pro-Val-Orn(Boc)-OH

H-Leu-oxime resin

H-Leu-oxime resin

A

113-73-5

Gramicidin S

B

cyclo(D-Phe-Pro-Val-Orn-Leu)

Conditions
ConditionsYield
Stage #1: Boc-D-Phe-Pro-Val-Orn(Boc)-OH; H-Leu-oxime resin With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; benzotriazol-1-ol
Stage #2: With trifluoroacetic acid In dichloromethane for 0.5h;
Stage #3: With acetic acid; N-ethyl-N,N-diisopropylamine In 1,4-dioxane at 25℃; for 24h;
A 35%
B n/a

H-D-Phe-Pro-Val-Orn-Leu-ONSu*TFA

A

113-73-5

Gramicidin S

B

cyclo(D-Phe-Pro-Val-Orn-Leu)

Conditions
ConditionsYield
With pyridine In N,N-dimethyl-formamide at 25℃; for 24h; Yield given. Yields of byproduct given;
51926-52-4

D-Phe-L-Pro

Fmoc-protected immobolized peptide

Fmoc-protected immobolized peptide

113-73-5

Gramicidin S

Conditions
ConditionsYield
Yield given. Multistep reaction;
TentaGel-PEG-CONH-CH2CH2S-Leu-Orn-Val-Pro-D-Phe-Leu-Orn-Val-Pro-D-Phe-NH2

TentaGel-PEG-CONH-CH2CH2S-Leu-Orn-Val-Pro-D-Phe-Leu-Orn-Val-Pro-D-Phe-NH2

113-73-5

Gramicidin S

Conditions
ConditionsYield
Stage #1: TentaGel-PEG-CONH-CH2CH2S-Leu-Orn-Val-Pro-D-Phe-Leu-Orn-Val-Pro-D-Phe-NH2 With 3-(N-morpholino)propanesulfonate buffer; GrsB TE at 37℃; for 3h; pH=7.0; Enzymatic reaction;
Stage #2: With trifluoroacetic acid In water
151812-96-3

(S)-2-[(S)-5-Amino-2-((S)-2-{[(S)-1-((R)-2-amino-3-phenyl-propionyl)-pyrrolidine-2-carbonyl]-amino}-3-methyl-butyrylamino)-pentanoylamino]-4-methyl-pentanoic acid 2,5-dioxo-pyrrolidin-1-yl ester

113-73-5

Gramicidin S

Conditions
ConditionsYield
With pyridine In N,N-dimethyl-formamide at 25℃; for 24h;
68858-20-8

Fmoc-Val-OH

18942-49-9

Boc-D-Phe-OH

71989-31-6

Fmoc-Pro-OH

109425-55-0

Fmoc-Orn(Boc)-OH

Fmoc-Leu-D-Phe-Pro-Val-Orn(Boc)-Leu-(4-sulfamylbutyryl AM resin)

Fmoc-Leu-D-Phe-Pro-Val-Orn(Boc)-Leu-(4-sulfamylbutyryl AM resin)

113-73-5

Gramicidin S

Conditions
ConditionsYield
Multistep reaction;

Boc-D-Phe-Pro-Val-Orn(Boc)-Leu-D-Phe-Pro-Val-Orn(Boc)-OH

H-Leu-oxime resin

H-Leu-oxime resin

A

113-73-5

Gramicidin S

B

C60H92N12O10

Conditions
ConditionsYield
Stage #1: Boc-D-Phe-Pro-Val-Orn(Boc)-Leu-D-Phe-Pro-Val-Orn(Boc)-OH; H-Leu-oxime resin With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; benzotriazol-1-ol
Stage #2: With trifluoroacetic acid In dichloromethane for 0.5h;
Stage #3: With acetic acid; N-ethyl-N,N-diisopropylamine In 1,4-dioxane at 25℃; for 24h;
A 56 % Chromat.
B 15 % Chromat.

H-Val-Orn(Z)-OBzl

113-73-5

Gramicidin S

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
2.1: HCl / dioxane / 0.5 h / 20 °C
3.1: 3.21 g / HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
4.1: hydrogen / Pd/C / methanol / 15 h
5.1: 1.90 g / NaOH / methanol; dioxane; H2O / 15 h / 20 °C
6.1: BOP; HOBt
6.2: trifluoroacetic acid / CH2Cl2 / 0.5 h
6.3: 35 percent / iPr2NEt; acetic acid / dioxane / 24 h / 25 °C
View Scheme

Boc-Val-Orn(Z)-OBzl

113-73-5

Gramicidin S

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1.1: HCl / dioxane / 0.5 h / 20 °C
2.1: HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
3.1: HCl / dioxane / 0.5 h / 20 °C
4.1: 3.21 g / HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
5.1: hydrogen / Pd/C / methanol / 15 h
6.1: 1.90 g / NaOH / methanol; dioxane; H2O / 15 h / 20 °C
7.1: BOP; HOBt
7.2: trifluoroacetic acid / CH2Cl2 / 0.5 h
7.3: 35 percent / iPr2NEt; acetic acid / dioxane / 24 h / 25 °C
View Scheme

H-Pro-Val-Orn(Z)-OBzl

113-73-5

Gramicidin S

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: 3.21 g / HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
2.1: hydrogen / Pd/C / methanol / 15 h
3.1: 1.90 g / NaOH / methanol; dioxane; H2O / 15 h / 20 °C
4.1: BOP; HOBt
4.2: trifluoroacetic acid / CH2Cl2 / 0.5 h
4.3: 35 percent / iPr2NEt; acetic acid / dioxane / 24 h / 25 °C
View Scheme

Boc-D-Phe-Pro-Val-Orn-OH

113-73-5

Gramicidin S

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 1.90 g / NaOH / methanol; dioxane; H2O / 15 h / 20 °C
2.1: BOP; HOBt
2.2: trifluoroacetic acid / CH2Cl2 / 0.5 h
2.3: 35 percent / iPr2NEt; acetic acid / dioxane / 24 h / 25 °C
View Scheme

Boc-Pro-Val-Orn(Z)-OBzl

113-73-5

Gramicidin S

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: HCl / dioxane / 0.5 h / 20 °C
2.1: 3.21 g / HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
3.1: hydrogen / Pd/C / methanol / 15 h
4.1: 1.90 g / NaOH / methanol; dioxane; H2O / 15 h / 20 °C
5.1: BOP; HOBt
5.2: trifluoroacetic acid / CH2Cl2 / 0.5 h
5.3: 35 percent / iPr2NEt; acetic acid / dioxane / 24 h / 25 °C
View Scheme
917501-48-5

Boc-D-Phe-Pro-Val-Orn(Z)-OBzl

113-73-5

Gramicidin S

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: hydrogen / Pd/C / methanol / 15 h
2.1: 1.90 g / NaOH / methanol; dioxane; H2O / 15 h / 20 °C
3.1: BOP; HOBt
3.2: trifluoroacetic acid / CH2Cl2 / 0.5 h
3.3: 35 percent / iPr2NEt; acetic acid / dioxane / 24 h / 25 °C
View Scheme
13734-41-3

t-Boc-L-valine

Boc-Gly

Boc-Gly

113-73-5

Gramicidin S

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1.1: HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
2.1: HCl / dioxane / 0.5 h / 20 °C
3.1: HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
4.1: HCl / dioxane / 0.5 h / 20 °C
5.1: 3.21 g / HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
6.1: hydrogen / Pd/C / methanol / 15 h
7.1: 1.90 g / NaOH / methanol; dioxane; H2O / 15 h / 20 °C
8.1: BOP; HOBt
8.2: trifluoroacetic acid / CH2Cl2 / 0.5 h
8.3: 35 percent / iPr2NEt; acetic acid / dioxane / 24 h / 25 °C
View Scheme
73995-50-3

H-Orn(Z)-OBzl

113-73-5

Gramicidin S

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1.1: HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
2.1: HCl / dioxane / 0.5 h / 20 °C
3.1: HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
4.1: HCl / dioxane / 0.5 h / 20 °C
5.1: 3.21 g / HOBt; EDCI / CH2Cl2 / 3 h / 0 - 20 °C
6.1: hydrogen / Pd/C / methanol / 15 h
7.1: 1.90 g / NaOH / methanol; dioxane; H2O / 15 h / 20 °C
8.1: BOP; HOBt
8.2: trifluoroacetic acid / CH2Cl2 / 0.5 h
8.3: 35 percent / iPr2NEt; acetic acid / dioxane / 24 h / 25 °C
View Scheme
1054661-52-7

C70H110N12O15

113-73-5

Gramicidin S

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.19 g / N-hydroxybenzotriazole hydrate; diisopropylethylamine; PyBOP / dimethylformamide / 16 h
2: 78 percent / CF3CO2H / CH2Cl2 / 0.5 h
View Scheme

cyclo(Val-Orn(For)-Leu-D-Phe-Pro)2

113-73-5

Gramicidin S

Conditions
ConditionsYield
With hydrogenchloride In methanol at 37℃; for 21h;

C45H61N7O8S

A

113-73-5

Gramicidin S

B

cyclo(D-Phe-Pro-Val-Orn-Leu)

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: water; 3,3-dimethyldioxirane / acetone / 0.17 h / 23 °C
2: water; oxalic acid / N,N-dimethyl-formamide / 48 h / 40 °C
View Scheme

C36H47N5O8

A

113-73-5

Gramicidin S

B

cyclo(D-Phe-Pro-Val-Orn-Leu)

Conditions
ConditionsYield
With water; oxalic acid In N,N-dimethyl-formamide at 40℃; for 48h;
1387574-96-0

C68H98N12O13

113-73-5

Gramicidin S

Conditions
ConditionsYield
With water; oxalic acid In N,N-dimethyl-formamide at 40℃; for 48h;3.6 mg
15761-39-4

1-(tert-butoxycarbonyl)-L-proline

13734-41-3

t-Boc-L-valine

13139-15-6

N-tert-butoxycarbonyl-L-leucine

2480-93-5, 16937-92-1

(R)-5-(benzyloxycarbonylamino)-2-(tert-butoxycarbonylamino)pentanoic acid

18942-49-9

Boc-D-Phe-OH

113-73-5

Gramicidin S

Conditions
ConditionsYield
Stage #1: N-tert-butoxycarbonyl-L-leucine With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide
Stage #2: With trifluoroacetic acid In dichloromethane
Stage #3: 1-(tert-butoxycarbonyl)-L-proline; t-Boc-L-valine; (R)-Nδ-benzyloxycarbonyl-Nα-(tert-butoxycarbonyl)-ornithine; Boc-D-Phe-OH Further stages;

C75H114N15O12PolS

113-73-5

Gramicidin S

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; for 6h; aminomethyl resin;55 mg
68858-20-8

Fmoc-Val-OH

35661-60-0

Fmoc-Leu-OH

86123-10-6

Fmoc-D-Phe-OH

71989-31-6, 109425-54-9, 144829-96-9, 101555-62-8

(R)-Pyrrolidine-1,2-dicarboxylic acid 1-(9H-fluoren-9-ylmethyl) ester

Fmoc-Lys(pg)-OH

Fmoc-Lys(pg)-OH

113-73-5

Gramicidin S

Conditions
ConditionsYield
Stage #1: Fmoc-D-Phe-OH With benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane; N,N-dimethyl-formamide for 1.5h;
Stage #2: With piperidine In N,N-dimethyl-formamide for 0.166667h;
Stage #3: Fmoc-Val-OH; Fmoc-Leu-OH; (R)-Pyrrolidine-1,2-dicarboxylic acid 1-(9H-fluoren-9-ylmethyl) ester; Fmoc-Lys(pg)-OH Further stages;
383-63-1

ethyl trifluoroacetate,

113-73-5

Gramicidin S

86194-28-7

C64H90F6N12O12

Conditions
ConditionsYield
With triethylamine In methanol Ambient temperature;83%
113-73-5

Gramicidin S

74-88-4

methyl iodide

99437-06-6

C66H106N12O10(2+)*2I(1-)

Conditions
ConditionsYield
With potassium hydrogencarbonate In methanol for 45h; Ambient temperature;75%
With potassium hydrogencarbonate In methanol Ambient temperature;75%
1422391-48-7

2,5-dioxopyrrolidin-(meta-diphenylphosphino)benzoate

113-73-5

Gramicidin S

1422391-49-8

N,N'-(3,3'-((6R,9S,12S,15S,17aS,23R,26S,29S,32S,34aS)-6,23-dibenzyl-9,26-diisobutyl-15,32-diisopropyl-5,8,11,14,17,22,25,28,31,34-decaoxotetratriacontahydrodipyrrolo[1,2-a:1',2'-p] [1,4,7,10,13,16,19,22,25,28]decaazacyclotriacontine-12,29-diyl)bis(propane-3,1-diyl))bis(3-(diphenylphosphino)benzamide)

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 16h; Inert atmosphere;48%

2,5-dioxopyrrolidin-(para-diphenylphosphino)benzoate

113-73-5

Gramicidin S

1422391-50-1

N,N'-(3,3'-((6R,9S,12S,15S,17aS,23R,26S,29S,32S,34aS)-6,23-dibenzyl-9,26-diisobutyl-15,32-diisopropyl-5,8,11,14,17,22,25,28,31,34 decaoxotetratriacontahydro dipyrrolo[1,2-a:1',2'-p] [1,4,7,10,13,16,19,22,25,28] decaazacyclotriacontine-12,29-diyl)bis(propane-3,1-diyl))bis(4-(diphenylphosphino)benzamide)

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 16h; Inert atmosphere;48%
113-73-5

Gramicidin S

291286-47-0

2,5-dioxopyrrolidin-1-yl 2-(diphenylphosphanyl)benzoate

1422391-47-6

N,N'-(3,3'-((6R,9S,12S,15S,17aS,23R,26S,29S,32S,34aS)-6,23-dibenzyl-9,26-diisobutyl-15,32-diisopropyl-5,8,11,14,17,22,25,28,31,34-decaoxotetratriacontahydrodipyrrolo[1,2-a:1',2'-p][1,4,7,10,13,16,19,22,25,28]decaazacyclotriacontine-12,29-diyl)bis(propane-3,1-diyl))bis(2-(diphenylphosphino)benzamide)

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 16h;39%
113-73-5

Gramicidin S

3-(diphenylphosphaneyl)propanoic acid N-hydroxysuccinimide ether

(6R,9S,12S,15S,17aS,23R,26S,29S,32S,34aS)-6,23-dibenzyl-12,29-bis(3-(3-(diphenylphosphino)propanoyloxyamino)propyl)-9,26-diisobutyl-15,32-diisopropyltetracosahydrodipyrrolo [1,2-a:1',2'-p] [1,4,7,10,13,16,19,22,25,28] decaaza cyclotriacontine-5,8,11,14,17,22,25,28,31,34-decaone

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 16h; Inert atmosphere;16.8%
61449-63-6

5-(4-carboxyphenyl)-10,15,20-tris(4-methylphenyl) porphyrin

113-73-5

Gramicidin S

C156H160N20O12

Conditions
ConditionsYield
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; benzotriazol-1-ol Acylation;
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  • Gramicidin S CAS NO.113-73-5

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    Anhui Research Peptide Biotechnology Co., Ltd. (hereinafter referred to as Specialized Peptide Biology, Hangzhou All Peptide Biology Hefei Branch) was established in 2018. It is

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    Kono Chem Co.,Ltd is a leading producer of standardized herbal extracts, natural active ingredients and APIs for pharmaceutical, health food and cosmetic industries. Annually, mo

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    Business Type:Manufacturers

    Tel:86-571-86465881,86-571-87157530,86-571-88025800

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    Business Type:Other

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    Address:607, North Zhongshan Road, Hangzhou 310000 China

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    Our company engages in Electronic chemicals such as OLED,Photoresist chemical,Electrolyte additive and Intermediate Pharmaceutical production; development of noble metal catalysts,

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    Business Type:Lab/Research institutions

    Tel:86-371-55170693/55170694

    Address:Zhengzhou International Trade New Territory,Jinshui District,Zhengzhou ,China

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    Business Type:Trading Company

    Tel:+86-18871490254

    Address:High-tech Industrial Park,Tianmen city,Hubei province.

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    Business Type:Trading Company

    Tel:+86-21-57171705 / 57171706

    Address:No.787, Kangqiao Road, Pudong New District, Shanghai, China

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    Business Type:Lab/Research institutions

    Tel:0086-21-50563169

    Address:Room1027,No.Jinyu Road,Pudong

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    Hubei Xinrunde Chemical Co., Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredient(s)

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     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+8615102730682

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

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    Business Type:Other

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    Address:Room 5010, No.9 YanAn Road,Hangzhou,Zhejiang,China

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    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

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    Business Type:Lab/Research institutions

    Tel:+86-571-85378921

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    113-73-5

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    Finetech Industry Limited is a company in England,which specializing in developing, manufacturing and marketing fine organic compounds and intermediates for the fine chemical and p

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    Business Type:Lab/Research institutions

    Tel:86-731-85570686

    Address:29 Floor,Changsheng Upper Strata,Furong District,China

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    Business Type:Trading Company

    Tel:0571-87317139

    Address:hangzhou

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    113-73-5

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    Business Type:Trading Company

    Tel:15914108025

    Address:229A, No.15, Xinbeli Industrial Zone, Xinshi Community, Dalang Street, Longhua District

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    Business Type:Trading Company

    Tel:+86

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    Business Type:Trading Company

    Tel:+86-371- 86259723

    Address:Mingmen International Center, NO.222 Dongming Road,Zhengzhou,Henan,China

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    GraMicidin S

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    TOP Science is a Biochemical technology co.LTD, And we provide a full range of CRO services that cover the entire drug development pipeline, including contract research for compoun

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    Business Type:Lab/Research institutions

    Tel:+86-13439059536

    Address:15-1705 jre three mile, Beijing 100000,CHINA

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    Min.Order: 1 Gram

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    HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl

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    Business Type:Trading Company

    Tel:18062427325

    Address:NO 18. 81F street Future city ,Hongshan district ,WuHan city ,Hubei province ,China

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    113-73-5

    Gramicidin S

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    United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

    United Scientific Company (USC) Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. USC has both the expertise and flexibility

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    Business Type:Lab/Research institutions

    Tel:+86-21-53535353

    Address:28F No.900 huaihai Road Shanghai China

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    (EYECHEM)Its main products are 5-htp,CBD series,ATP,Epimedium P.E(Icariin/Flavone) ,GW501516,Ginsenoside series, ,Minoxidil,MK677/MK2866,Alpha GPC,etc.Products are continually upda

  • (EYECHEM) Xi’an QingShuo Import And Export Trade Co.,Ltd.

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    Business Type:Trading Company

    Tel:+86-18966703985/+86-29-83218165 / 83215798

    Address:Rm10606-10-5,Xiyuan Garden,East Seven Road,,XinCheng District Xi’an,China

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    113-73-5

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    We are Hebei minshang biotechnology co. LTD., mainly deal in pharmaceutical intermediates and various chemicals. We are manufacturers and have our own factory. Products & Usage Ph

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    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:18032092709

    Address:hebei

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    113-73-5

    Gramicidin S

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    Nanjing Raymon Biotech Co., Ltd. is specialized in developing and marketing middle & high level pharmaceutical intermediates. We are supplying different categories of high-quality

  • Nanjing Raymon Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-025-52181296

    Address:Block B, No. 918, Shuanglong Avenue

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