(6R,7R)-7-Amino-3-{[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

(6R,7R)-7-氨基-3-{[(5-甲基-1,3,4-噻二唑-2-基)硫代]甲基}-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-甲酸

Also known as: 7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-3-cephem-4-carboxylic acid, 7-TDA, 7-ZACA, Cefazolin EP Impurity A, Cefazolin USP Impurity K, Cefazolin impurity A, (6R-trans)-7-Amino-3-{[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-ammonio-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

(6R,7R)-7-Amino-3-{[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (CAS 30246-33-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12N4O3S3 and a molecular weight of 344.433 g/mol. It is also known as 7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-3-cephem-4-carboxylic acid, 7-TDA and 7-ZACA. Key properties include a boiling point of 678.2±65.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 364.0±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

30246-33-4

Jingsj CID

J-1326004-6

Molecular Formula

C₁₁H₁₂N₄O₃S₃

Chinese Name

(6R,7R)-7-氨基-3-{[(5-甲基-1,3,4-噻二唑-2-基)硫代]甲基}-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-甲酸

Molecular Weight

344.433 g/mol

Category

Organic Acids

Last updated

8/21/2026