5,6-dihydro-4H-cyclopenta[b]thiophene-5-carboxylic acid

5,6-二氢-4H-环戊并[b]噻吩-5-羧酸

Also known as: 4H-Cyclopenta[b]thiophene-5-carboxylic acid, 5,6-dihydro-, 5,6-dihydro-4H-cyclopenta(b)thiophene-5-carboxylic acid, 5,6-dihydro-4h-cyclopenta[b]thiophene-5-carboxylic acid

5,6-dihydro-4H-cyclopenta[b]thiophene-5-carboxylic acid (CAS 185515-12-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8O2S and a molecular weight of 168.21300 g/mol. It is also known as 4H-Cyclopenta[b]thiophene-5-carboxylic acid, 5,6-dihydro-, 5,6-dihydro-4H-cyclopenta(b)thiophene-5-carboxylic acid and 5,6-dihydro-4h-cyclopenta[b]thiophene-5-carboxylic acid. Key properties include a boiling point of 337.092ºC at 760 mmHg, a density of 1.399g/cm3 and a flash point of 157.668ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

185515-12-2

Jingsj CID

J-1516417-5

Molecular Formula

C₈H₈O₂S

Chinese Name

5,6-二氢-4H-环戊并[b]噻吩-5-羧酸

Molecular Weight

168.21300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026