4-Bromo-1-ethyl-3-methyl-1H-pyrazole-5-carbonyl chloride

4-溴-1-乙基-3-甲基-1H-吡唑-5-羰酰氯

Also known as: 1H-Pyrazole-5-carbonyl chloride, 4-bromo-1-ethyl-3-methyl-, 4-Bromo-1-ethyl-3-methyl-1H-pyrazole-5-carbonyl chloride, Tech., 4-Bromo-1-ethyl-3-methyl-5-pyrazolecarboxylic acid chloride, 4-Bromo-1-ethyl-3-methylpyrazole-5-carbonyl chloride, 4-bromo-2-ethyl-5-methyl-3-pyrazolecarbonyl chloride, 4-bromo-2-ethyl-5-methylpyrazole-3-carbonyl chloride

4-Bromo-1-ethyl-3-methyl-1H-pyrazole-5-carbonyl chloride (CAS 175277-00-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8BrClN2O and a molecular weight of 251.50800 g/mol. It is also known as 1H-Pyrazole-5-carbonyl chloride, 4-bromo-1-ethyl-3-methyl-, 4-Bromo-1-ethyl-3-methyl-1H-pyrazole-5-carbonyl chloride, Tech. and 4-Bromo-1-ethyl-3-methyl-5-pyrazolecarboxylic acid chloride. Key properties include a boiling point of 316.1ºC at 760mmHg, a density of 1.68g/cm3 and a flash point of 145ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

175277-00-6

Jingsj CID

J-1330326-8

Molecular Formula

C₇H₈BrClN₂O

Chinese Name

4-溴-1-乙基-3-甲基-1H-吡唑-5-羰酰氯

Molecular Weight

251.50800 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026