1-(tert-Butyl)-3-methyl-1H-pyrazole-5-carbonyl chloride

1-叔丁基-3-甲基-1H-吡唑-5-羰酰氯

Also known as: 1-(tert-Butyl)-3-methyl-1H-pyrazole-5-carbonyl chloride, 1-(TERT-BUTYL)-3-METHYLPYRAZOLE-5-CARBONYL CHLORIDE, 1H-Pyrazole-5-carbonyl chloride, 1-(1,1-dimethylethyl)-3-methyl-, 1H-Pyrazole-5-carbonyl chloride, 1-(1,1-dimethylethyl)-3-methyl- (9CI), 2-tert-Butyl-5-methylpyrazole-3-carbonyl chloride, N-tert-Butyl-3-methyl-5-pyrazolecarboxylic acid chloride

1-(tert-Butyl)-3-methyl-1H-pyrazole-5-carbonyl chloride (CAS 175277-10-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H13ClN2O and a molecular weight of 200.66500 g/mol. It is also known as 1-(TERT-BUTYL)-3-METHYLPYRAZOLE-5-CARBONYL CHLORIDE, 1H-Pyrazole-5-carbonyl chloride, 1-(1,1-dimethylethyl)-3-methyl- and 1H-Pyrazole-5-carbonyl chloride, 1-(1,1-dimethylethyl)-3-methyl- (9CI). Key properties include a boiling point of 279.6ºC at 760mmHg, a density of 1.16g/cm3 and a flash point of 122.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

175277-10-8

Jingsj CID

J-1329502-2

Molecular Formula

C₉H₁₃ClN₂O

Chinese Name

1-叔丁基-3-甲基-1H-吡唑-5-羰酰氯

Molecular Weight

200.66500 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026