7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid Structure
CAS No.
30246-33-4
Chemical Name:
7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid
Synonyms
TDA;7-TDA;Cefazolin IMpurity A;Cefazolin EP Impurity A;Cefazolin Impurity EP-A;Cefazolin USP Impurity K;Cefuroxime nucleus (7-TDA);Cefazolin Sodium Impurity A;Parent nucleus of cefazedone (7-TDA);Cefazolin Impurity 7(Cefazolin EP Impurity A)
CBNumber:
CB1218367
Molecular Formula:
C11H12N4O3S3
Molecular Weight:
344.43
MOL File:
30246-33-4.mol
Modify Date:
2024/6/12 17:09:27

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid Properties

Melting point >174°C (dec.)
Boiling point 678.2±65.0 °C(Predicted)
Density 1.72±0.1 g/cm3(Predicted)
storage temp. Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
solubility CHCl3 (Slightly, Heated), DMF (Very Slightly), DMSO (Slightly)
form Solid
pka 2.52±0.50(Predicted)
color Light Yellow to Brown

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid Chemical Properties,Uses,Production

Chemical Properties

Beige Solid

Uses

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid is a substrate used in the assessment of immobilized PGA orientation and in the synthesis of beta lactam antibiotics.

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid Preparation Products And Raw materials

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7-AMINO-3-[(5-METHYL-1,3,4-THIADIAZOL-2-YL)THIOMETHYL]CEPHALOSPHORANIC ACID (7r)-7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl]-3-cephem-4-carboxylicacid (7r)-7-amino-3[(5-methyl-1,3,4-thiadiazole-2-yl)thiomethyl]-3-cephem-4-carboxylic acid 7-Amino-3-([5-methyl-1,3,4-thiadiazol-2-yl] thiomethyl)-3-cephem-4-carboxylic acid 7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)-thiomethyl]-cephalosporanic aci (6R)-7α-Amino-3-(5-methyl-1,3,4-thiadiazol-2-ylthiomethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Parent nucleus of cefazedone (7-TDA) (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 Cefazolin IMpurity A 7-Amino-3-[(2-methyl-1,3,4-thiadiazol-5-ylthio)methyl]-3-cephem-4-carboxylic acid Cefazolin EP Impurity A (6R,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 (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 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 7-amino-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-, (6R,7R)- 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 Cefuroxime nucleus (7-TDA) 7-Amino-3-[[(5-methyl-1,3,4-thiadiazol-2yl)thiomethyl]-3-cephalosporanicacid Cefazolin Impurity 7(Cefazolin EP Impurity A) Cefazolin USP Impurity K Cefazolin Impurity EP-A 3,5-Dichloro-4-hydroxypyridine,7-Amino-3-[(5-methyl-1,3,4-thiadiazol- 2-ylthio)methyl]-3-cephem-4- carboxylic Acid Cefazolin Sodium Impurity A (6R-trans)-7-amino-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]... TIANFU-CHEM - 7-AMINO-3-[(5-METHYL-1,3,4-THIADIAZOL-2-YL)THIOMETHYL]CEPHALOSPHORANIC ACID TDA 7-TDA Cefazolin Impurity 7 CRS(Cefazolin EP Impurity A CRS) 30246-33-4 C11H12N4O3S3