Ethanone, 2-chloro-1-(5-methyl-2-thienyl)-

2-氯-1-(5-甲基-2-噻吩基)乙酮

Also known as: 2-Chloro-1-(5-methyl-2-thienyl)ethanone, 2-Chloro-1-(5-methyl-thiophen-2-yl)-ethanone, 2-Chloro-1-(5-methylthiophen-2-yl)ethanone, 2-chloroacetyl-5-methylthiophene, chloromethyl 5-methyl-2-thienyl ketone, Ethanone, 2-chloro-1-(5-methyl-2-thienyl)- (9CI)

Ethanone, 2-chloro-1-(5-methyl-2-thienyl)- (CAS 31772-42-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7ClOS and a molecular weight of 174.64800 g/mol. It is also known as 2-Chloro-1-(5-methyl-2-thienyl)ethanone, 2-Chloro-1-(5-methyl-thiophen-2-yl)-ethanone and 2-Chloro-1-(5-methylthiophen-2-yl)ethanone. Key properties include a boiling point of 283.9ºC at 760mmHg, a density of 1.264g/cm3 and a flash point of 125.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

31772-42-6

Jingsj CID

J-1186515-7

Molecular Formula

C₇H₇ClOS

Chinese Name

2-氯-1-(5-甲基-2-噻吩基)乙酮

Molecular Weight

174.64800 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026