Ethyl 4-bromo-3-ethyl-1-methyl-1H-pyrazole-5-carboxylate

Base Information

Chemical Name:Ethyl 4-bromo-3-ethyl-1-methyl-1H-pyrazole-5-carboxylate
CAS No.:128537-28-0
Molecular Formula:C₉H₁₃BrN₂O₂
Molecular Weight:261.118
Hs Code.:2933199090
DSSTox Substance ID:DTXSID40564095
Wikidata:Q82448681
Mol file:128537-28-0.mol

Synonyms:128537-28-0;Ethyl 4-bromo-3-ethyl-1-methyl-1H-pyrazole-5-carboxylate;4-Bromo-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid ethyl ester;ethyl 4-bromo-5-ethyl-2-methylpyrazole-3-carboxylate;1H-Pyrazole-5-carboxylic acid, 4-bromo-3-ethyl-1-methyl-, ethyl ester;SCHEMBL10427543;DTXSID40564095;MFCD08459053;AKOS022179564;AS-72530;CS-0129573;W18969;A805832;ETHYL-1-METHYL-3-ETHYL-4-BROMO-(1H)-PYRAZOLE-5-CARBOXYLATE;847139-30-4

Suppliers and Price of Ethyl 4-bromo-3-ethyl-1-methyl-1H-pyrazole-5-carboxylate

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Chemenu
Ethyl4-bromo-3-ethyl-1-methyl-1H-pyrazole-5-carboxylate 95%+
1g
$ 2626.00

American Custom Chemicals Corporation
4-BROMO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID ETHYL ESTER 95.00%
500MG
$ 750.75

American Custom Chemicals Corporation
4-BROMO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID ETHYL ESTER 95.00%
100MG
$ 367.50

Total 8 raw suppliers

Chemical Property of Ethyl 4-bromo-3-ethyl-1-methyl-1H-pyrazole-5-carboxylate

Chemical Property:

Boiling Point:333.5±42.0 °C(Predicted)
PKA:-1.06±0.10(Predicted)
PSA：44.12000
Density:1.46±0.1 g/cm3(Predicted)
LogP:1.92170
XLogP3:2.3
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:4
Exact Mass:260.01604
Heavy Atom Count:14
Complexity:213

Purity/Quality:

97% ^*data from raw suppliers

Ethyl4-bromo-3-ethyl-1-methyl-1H-pyrazole-5-carboxylate 95%+ ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Canonical SMILES:CCC1=NN(C(=C1Br)C(=O)OCC)C

Technology Process of Ethyl 4-bromo-3-ethyl-1-methyl-1H-pyrazole-5-carboxylate

There total 4 articles about Ethyl 4-bromo-3-ethyl-1-methyl-1H-pyrazole-5-carboxylate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 80.0%

: 128537-26-8
3-ethyl-1-methylpyrazole-5-carboxylic acid ethyl ester

: 128537-28-0
ethyl 1-methyl-3-ethyl-4-bromine-1Hpyrazole-5-carboxylate

Guidance literature:: With bromine; In dichloromethane; at 0 - 10 ℃; for 3h;

Reference yield:

: 1354829-67-6
C₈H₁₁BrN₂O₂

: 74-88-4
methyl iodide

: 128537-28-0
ethyl 1-methyl-3-ethyl-4-bromine-1Hpyrazole-5-carboxylate

Guidance literature:: With potassium carbonate; In acetone; at 50 ℃; for 10h;
DOI:10.1016/j.cclet.2012.04.010

Reference yield:

: 26308-40-7
ethyl 3-ethyl-1H-pyrazole-5-carboxylate

: 128537-28-0
ethyl 1-methyl-3-ethyl-4-bromine-1Hpyrazole-5-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: N-Bromosuccinimide / chloroform / 12 h / 20 °C

2: potassium carbonate / acetone / 10 h / 50 °C

With N-Bromosuccinimide; potassium carbonate; In chloroform; acetone;
DOI:10.1016/j.cclet.2012.04.010