4-oxo-4H-pyrimido[2,1-b][1,3]benzothiazole-3-carboxylic acid

4-氧-4H-苯并[d]嘧啶[2,1-b][1,3]噻唑-3-羧酸

Also known as: 4-OXO-4H-BENZO[D]PYRIMIDO[2,1-B][1,3]THIAZOLE-3-CARBOXYLIC ACID, 3-carboxy-4-oxo-4H-pyrimido[2,1-b]benzothiazole, 4-Oxo-4H-9-thia-1,4a-diaza-fluorene-3-carboxylic acid, 4-Oxopyrimido-<2,1-b>benzothiazol-3-carbonsaeure, 4-oxo-3-(4H-pyrimido<2,1-b>benzothiazole)carboxylic acid, 4-oxo-4H-benzo[4,5]thiazolo[3,2-a]pyrimidine-3-carboxylic acid, 4-oxo-5-hydropyrimidino[2,1-b]benzothiazole-3-carboxylic acid, 4-oxopyrimido[2,1-b][1,3]benzothiazole-3-carboxylic acid, 4H-Pyrimido[2,1-b]benzothiazole-3-carboxylic acid, 4-oxo-

4-oxo-4H-pyrimido[2,1-b][1,3]benzothiazole-3-carboxylic acid (CAS 21786-97-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H6N2O3S and a molecular weight of 246.24200 g/mol. It is also known as 4-OXO-4H-BENZO[D]PYRIMIDO[2,1-B][1,3]THIAZOLE-3-CARBOXYLIC ACID, 3-carboxy-4-oxo-4H-pyrimido[2,1-b]benzothiazole and 4-Oxo-4H-9-thia-1,4a-diaza-fluorene-3-carboxylic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

21786-97-0

Jingsj CID

J-1180945-8

Molecular Formula

C₁₁H₆N₂O₃S

Chinese Name

4-氧-4H-苯并[d]嘧啶[2,1-b][1,3]噻唑-3-羧酸

Molecular Weight

246.24200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026