2-Mercaptobenzothiazolyl-(Z)-(2-aminothiazol-4-yl)-2-(tert-butoxycarbonyl)isopropoxyiminoacetate

头孢他啶侧链酸活性酯

Also known as: TAEM, BPTA, (Z)-tert-Butyl 2-(1-(2-aminothiazol-4-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylideneaminooxy)-2-methylpropanoate, tert-Butyl 2-({[(1Z)-1-(2-amino-1,3-thiazol-4-yl)-2-(1,3-benzothiazol-2-ylsulfanyl)-2-oxoethylidene]amino}oxy)-2-methylpropanoate, tert-Butyl 2-({[(1Z)-1-(2-amino-1,3-thiazol-4-yl)-2-(1,3-benzothiazol-2-ylthio)-2-oxoethylidene]amino}oxy)-2-methylpropionate, S-2-Benzothiazolyl (Z)-2-(2-aminothiazol-4-yl)-2-(1-tert-butoxycarbonyl-1-methyl)ethoxyiminothioacetate, S-2-Benzothiazoyl-(Z)-2-(ter-butoxycarbonyl-isopropoxyimino)-4-thiazoleacetate(TAEM), 1,1-Dimethylethyl 2-[[[(1Z)-1-(2-amino-4-thiazolyl)-2-(2-benzothiazolylthio)-2-oxoethylidene]amino]oxy]-2-methylpropanoate, 2-Methyl-2-propanyl 2-({(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-(1,3-benzothiazol-2-ylsulfanyl)-2-oxoethylidene]amino}oxy)-2-methylpropanoate, Propanoic acid, 2-[[[(1Z)-1-(2-amino-4-thiazolyl)-2-(2-benzothiazolylthio)-2-oxoethylidene]amino]oxy]-2-methyl-, 1,1-dimethylethyl ester, EINECS 419-040-9, MFCD00071548

2-Mercaptobenzothiazolyl-(Z)-(2-aminothiazol-4-yl)-2-(tert-butoxycarbonyl)isopropoxyiminoacetate (CAS 89604-92-2) 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 TAEM, BPTA and (Z)-tert-Butyl 2-(1-(2-aminothiazol-4-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylideneaminooxy)-2-methylpropanoate. Key properties include a melting point of 138-140ºC, 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.

89604-92-2

Jingsj CID

J-1424621-0

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