4,7-Dihydro-5H-thieno[2,3-c]pyran-3-carboxylic acid

4,7-二氢-5H-噻吩并[2,3-c]吡喃-3-羧酸

Also known as: 5H-Thieno[2,3-c]pyran-3-carboxylic acid, 4,7-dihydro-, 4,7-Dihydro-5H-thieno[2,3-c]pyran-3-carboxylic acid, 4,7-Dihydro-5H-Thieno[2,3-c]pyran-3-carboxylic acid, qc-1993

4,7-Dihydro-5H-thieno[2,3-c]pyran-3-carboxylic acid (CAS 1169491-14-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8O3S and a molecular weight of 184.212 g/mol. It is also known as 5H-Thieno[2,3-c]pyran-3-carboxylic acid, 4,7-dihydro-, 4,7-Dihydro-5H-Thieno[2,3-c]pyran-3-carboxylic acid and qc-1993. Key properties include a boiling point of 382.2±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 184.9±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1169491-14-8

Jingsj CID

J-1507803-4

Molecular Formula

C₈H₈O₃S

Chinese Name

4,7-二氢-5H-噻吩并[2,3-c]吡喃-3-羧酸

Molecular Weight

184.212 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026