cefazolin and its Impurities
Cefazolin is used in a variety of infections provided that susceptible organisms are involved. It is indicated for use in the following infections. It is available as a generic medication, Cefazolin, also known as cefazoline and cephazolin. Reference standards of Cefazolin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(R)-2-(2-(1H-Tetrazol-1-yl)acetamido)-2-((R)-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic Acid
(R)-2-(2-(1H-Tetrazol-1-yl)acetamido)-2-((R)-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic Acid
Catalogue No.:PA 03 21530
CAS :
NA
Molecular Formula : C11H12N6O5S
Molecular Weight : 340.32
(6R,7R)-7-Amino-3-[[[1-[2-(dimethylamino)ethyl]-1H-tetrazol-5-yl]thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R,7R)-7-Amino-3-[[[1-[2-(dimethylamino)ethyl]-1H-tetrazol-5-yl]thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 03 21540
CAS :
61607-66-7
Molecular Formula : C13H19N7O3S2
Molecular Weight : 385.47
(6R,7S)-3-[[(5-Methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-7-[(2,2-dimethylpropanoyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Sodium Salt
(6R,7S)-3-[[(5-Methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-7-[(2,2-dimethylpropanoyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Sodium Salt
Catalogue No.:PA 03 21570
CAS :
NA
Molecular Formula : C16H19N4NaO4S3
Molecular Weight : 450.53
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-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
Catalogue No.:PAI 03 022020
CAS :
NA
Molecular Formula : C11H12N4O3S3
Molecular Weight : 344.42
7-(2-(1H-Tetrazol-1-yl)acetamido)-3-(acetoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
7-(2-(1H-Tetrazol-1-yl)acetamido)-3-(acetoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PAI 03 022030
CAS :
NA
Molecular Formula : C13H14N6O6S
Molecular Weight : 382.35
(R)-2-((R)-(2-(1H-Tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid
(R)-2-((R)-(2-(1H-Tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid
Catalogue No.:PA 03 21620
CAS :
NA
Molecular Formula : C14H16N8O5S3
Molecular Weight : 472.51
(2R)-2-((R)-(2-(1H-Tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(hydroxymethyl)-5,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid
(2R)-2-((R)-(2-(1H-Tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(hydroxymethyl)-5,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid
Catalogue No.:PA 03 21630
CAS :
1329833-70-6
Molecular Formula : C11H14N6O6S
Molecular Weight : 358.33
(S)-2-((S)-(2-(1H-Tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid
(S)-2-((S)-(2-(1H-Tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid
Catalogue No.:PA 03 21640
CAS :
NA
Molecular Formula : C14H16N8O5S3
Molecular Weight : 472.51
7-(2-(1H-Tetrazol-1-yl)acetamido)-3-(acetoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid
7-(2-(1H-Tetrazol-1-yl)acetamido)-3-(acetoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid
Catalogue No.:PAI 03 022050
CAS :
NA
Molecular Formula : C13H16N6O6S
Molecular Weight : 384.37
(2R)-2-((R)-(2-(1H-Tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-3,4-dihydro-2H-1,3-thiazine-4-carboxylic Acid
(2R)-2-((R)-(2-(1H-Tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-3,4-dihydro-2H-1,3-thiazine-4-carboxylic Acid
Catalogue No.:PA 03 0211000
CAS :
2247245-33-4
Molecular Formula : C14H16N8O5S3
Molecular Weight : 472.51
(6R,7R)-3-(Acetoxymethyl)-7-((((6R,7R)-7-amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)amino)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-3-(Acetoxymethyl)-7-((((6R,7R)-7-amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)amino)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Catalogue No.:PA 56 0951000
CAS :
2416213-67-5
Molecular Formula : C18H20N4O8S2
Molecular Weight : 484.5
rel-(6R,7R)-3-(((5-Methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
rel-(6R,7R)-3-(((5-Methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 56 0951002
CAS :
1798390-48-3
Molecular Formula : C16H20N4O4S3
Molecular Weight : 428.54
