7-TDA

Modify Date: 2025-08-27 19:19:10

7-TDA Structure
7-TDA structure
Common Name 7-TDA
CAS Number 30246-33-4 Molecular Weight 344.433
Density 1.7±0.1 g/cm3 Boiling Point 678.2±65.0 °C at 760 mmHg
Molecular Formula C11H12N4O3S3 Melting Point N/A
MSDS N/A Flash Point 364.0±34.3 °C

 Names

Name 7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl]cephalosphoranic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 678.2±65.0 °C at 760 mmHg
Molecular Formula C11H12N4O3S3
Molecular Weight 344.433
Flash Point 364.0±34.3 °C
Exact Mass 344.007141
PSA 188.25000
LogP 0.42
Vapour Pressure 0.0±2.2 mmHg at 25°C
Index of Refraction 1.769
InChIKey HJSGHKMSDOLGJJ-HSOSERFQSA-N
SMILES Cc1nnc(SCC2=C(C(=O)O)N3C(=O)C(N)C3SC2)s1

 Synonyms

TDA
7-amino-3-(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl-3-cephem-4-carboxylic acid
(7R)-7-Amino-3-{[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
3-[[(5-Methyl-1,3,4-thiadiazole-2-yl)thio]methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
3-[(2-methyl-1,3,4-thiadiazol-5-ylthio)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(7r)-7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl]-3-cephem-4-carboxylicacid
7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)-thiomethyl]-cephalosporanic aci
(6R)-7t-amino-3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(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
(7r)-7-amino-3[(5-methyl-1,3,4-thiadiazole-2-yl)thiomethyl]-3-cephem-4-carboxylic acid
Cefazolin EP Impurity A
7-TDA
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