1-Methyl-3-thien-2-yl-1H-pyrazole-5-carbonyl chloride

1-甲基-3-噻吩-2-基-1H-吡唑-5-羰酰氯

Also known as: 1H-Pyrazole-5-carbonyl chloride, 1-methyl-3-(2-thienyl)-, 2-methyl-5-(thiophen-2-yl)pyrazole-3-carbonyl chloride, 2-methyl-5-thiophen-2-ylpyrazole-3-carbonyl chloride

1-Methyl-3-thien-2-yl-1H-pyrazole-5-carbonyl chloride (CAS 876316-45-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7ClN2OS and a molecular weight of 226.68300 g/mol. It is also known as 1H-Pyrazole-5-carbonyl chloride, 1-methyl-3-(2-thienyl)-, 2-methyl-5-(thiophen-2-yl)pyrazole-3-carbonyl chloride and 2-methyl-5-thiophen-2-ylpyrazole-3-carbonyl chloride. Key properties include a melting point of 113ºC, a boiling point of 366.5ºC at 760 mmHg, a density of 1.45g/cm3 and a flash point of 175.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

876316-45-9

Jingsj CID

J-1330214-4

Molecular Formula

C₉H₇ClN₂OS

Chinese Name

1-甲基-3-噻吩-2-基-1H-吡唑-5-羰酰氯

Molecular Weight

226.68300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026