(4-Oxothieno[2,3-d]pyrimidin-3(4H)-yl)acetic acid

(4-氧代噻吩并[2,3-d]嘧啶-3(4H)-基)乙酸

Also known as: 2-(4-Oxothieno[2,3-d]pyrimidin-3(4H)-yl)acetic acid, 2-(4-Oxothieno[2,3-d]pyrimidin-3-yl)acetic acid, Thieno[2,3-d]pyrimidine-3(4H)-acetic acid, 4-oxo-, 3-Carboxymethyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine, (4-Oxo-4H-thieno[2,3-d]pyrimidin-3-yl)-acetic acid, BB_SC-4126

(4-Oxothieno[2,3-d]pyrimidin-3(4H)-yl)acetic acid (CAS 18740-34-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O3S and a molecular weight of 210.21000 g/mol. It is also known as 2-(4-Oxothieno[2,3-d]pyrimidin-3(4H)-yl)acetic acid, 2-(4-Oxothieno[2,3-d]pyrimidin-3-yl)acetic acid and Thieno[2,3-d]pyrimidine-3(4H)-acetic acid, 4-oxo-. Key properties include a boiling point of 469.3ºC at 760mmHg, a density of 1.66g/cm3 and a flash point of 237.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

18740-34-6

Jingsj CID

J-1352466-7

Molecular Formula

C₈H₆N₂O₃S

Chinese Name

(4-氧代噻吩并[2,3-d]嘧啶-3(4H)-基)乙酸

Molecular Weight

210.21000 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026