5-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylic acid

5-氧代-5H-噻唑并[3,2-a]嘧啶-6-羧酸

Also known as: 5-oxothiazolo[3,2-a]pyrimidine-6-carboxylic acid, 5-oxo-6-thiazolo[3,2-a]pyrimidinecarboxylic acid, 5-ketothiazolo[3,2-a]pyrimidine-6-carboxylic acid, 5-oxo-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylic acid, 5H-thiazolo[3,2-a]pyrimidine-6-carboxylic acid, 5-oxo-, 5-oxo-5H-thiazolo[3,2-a]pyrimidine-6-carboxylic acid

5-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylic acid (CAS 51991-94-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H4N2O3S and a molecular weight of 196.183 g/mol. It is also known as 5-oxothiazolo[3,2-a]pyrimidine-6-carboxylic acid, 5-oxo-6-thiazolo[3,2-a]pyrimidinecarboxylic acid and 5-ketothiazolo[3,2-a]pyrimidine-6-carboxylic acid. Key properties include a boiling point of 390.9±52.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 190.2±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

51991-94-7

Jingsj CID

J-1589299-3

Molecular Formula

C₇H₄N₂O₃S

Chinese Name

5-氧代-5H-噻唑并[3,2-a]嘧啶-6-羧酸

Molecular Weight

196.183 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026