TAEM

头孢他啶侧链酸活性酯

Also known as: TAEM, BPTA, 2-Mercaptobenzothiazolyl (Z)-2-(2-aminothiazol-4-yl)-2-(2-t-butoxycarbonylprop-2-oxyimino) acetate, Ceftazidime Impurity 13, MFCD00071548, Propanoic acid, 2-[[[(Z)-1-(2-amino-4-thiazolyl)-2-(2-benzothiazolylthio)-2-oxoethylidene]amino]oxy]-2-methyl-, 1,1-dimethylethyl ester, (Z)-2-(2-aminothiazol-4-yl)-2-(2-tert-butoxycarbonylprop-2-oxyimino)acetic acid 2-mercaptobenzothiazolyl ester, S-2-Benzothiazolyl (Z)-2-(2-aminothiazol-4-yl)-2-(1-t-butoxycarbonyl-1-methyl)ethoxyiminothioacetate

TAEM (CAS 158183-05-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H22N4O4S3 and a molecular weight of 478.608 g/mol. It is also known as BPTA, 2-Mercaptobenzothiazolyl (Z)-2-(2-aminothiazol-4-yl)-2-(2-t-butoxycarbonylprop-2-oxyimino) acetate and Ceftazidime Impurity 13. Key properties include a boiling point of 621.6±61.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 329.7±33.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

158183-05-2

Jingsj CID

J-1469440-8

Molecular Formula

C₂₀H₂₂N₄O₄S₃

Chinese Name

头孢他啶侧链酸活性酯

Molecular Weight

478.608 g/mol

Category

Organic Acids

Last updated

8/21/2026