Cefazolin-impurities | Pharmaffiliates

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.

Displaying 34 results for cefazolin Impurities
PA 03 21510

Tetrazolylacetic Acid

Tetrazolylacetic Acid


  • Catalogue No.:PA 03 21510

  • CAS :

    21732-17-2

  • Molecular Formula : C3H4N4O2

  • Molecular Weight : 128.09

PA 03 21520

Tetrazolylacetamide Acetal

Tetrazolylacetamide Acetal


  • Catalogue No.:PA 03 21520

  • CAS :

    1675245-47-2

  • Molecular Formula : C5H9N5O3

  • Molecular Weight : 187.16

PA 03 21530

(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

PA 03 21540

(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

PA 03 21550

Des[(5-methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methanol

Des[(5-methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methanol


  • Catalogue No.:PA 03 21550

  • CAS :

    478494-71-2

  • Molecular Formula : C11H12N6O5S

  • Molecular Weight : 340.32

PA 03 21560

Dimeric 7-ACA

Dimeric 7-ACA


  • Catalogue No.:PA 03 21560

  • CAS :

    2416213-67-5

  • Molecular Formula : C18H20N4O8S2

  • Molecular Weight : 484.5

PA 03 21570

(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

PA 03 21580

N-(2-Mercaptoethyl)-2-(1H-tetrazol-1-yl)acetamide

N-(2-Mercaptoethyl)-2-(1H-tetrazol-1-yl)acetamide


  • Catalogue No.:PA 03 21580

  • CAS :

    NA

  • Molecular Formula : C5H9N5OS

  • Molecular Weight : 187.22

PA STI 018290

Cefazolin-13C2,15N Sodium Salt

Cefazolin-13C2,15N Sodium Salt


  • Catalogue No.:PA STI 018290

  • CAS :

    1346602-30-9

  • Molecular Formula : C1213C2H13N715NNaO4S3

  • Molecular Weight : 479.47

PA STI 018300

7-epi-Cefazolin-13C2,15N Sodium Salt

7-epi-Cefazolin-13C2,15N Sodium Salt


  • Catalogue No.:PA STI 018300

  • CAS :

    NA

  • Molecular Formula : C1213C2H13N715NNaO4S3

  • Molecular Weight : 479.47

PA STI 028240

Des[(5-methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methanol-13C2,15N

Des[(5-methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methanol-13C2,15N


  • Catalogue No.:PA STI 028240

  • CAS :

    NA

  • Molecular Formula : C913C2H12N515NO5S

  • Molecular Weight : 343.29

PA USP1097603

Cefazolin (1097603)

Cefazolin (1097603)


  • Catalogue No.:PA USP1097603

  • CAS :

    25953-19-9

  • Molecular Formula : NA

  • Molecular Weight : NA

PA BP819RB

cefazolin sodium (819RB)

cefazolin sodium (819RB)


  • Catalogue No.:PA BP819RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPC0682800

Cefazolin (C0682800)

Cefazolin (C0682800)


  • Catalogue No.:PA EPC0682800

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PAI 03 022010

3-(Acetoxymethyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid

3-(Acetoxymethyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid


  • Catalogue No.:PAI 03 022010

  • CAS :

    NA

  • Molecular Formula : C15H20N2O6S

  • Molecular Weight : 356.39

PAI 03 022020

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

PAI 03 022030

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

PA 56 95000

Cefazolin - API

Cefazolin


  • Catalogue No.:PA 56 95000

  • CAS :

    25953-19-9

  • Molecular Formula : C14H14N8O4S3

  • Molecular Weight : 454.50

PA IPIPRS 19 13

Cefazolin Sodium (IPRS/19/13)-from IPC


  • Catalogue No.:PA IPIPRS 19 13

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PAI 03 022060

Benzyl 2-(1H-tetrazol-1-yl)acetate


  • Catalogue No.:PAI 03 022060

  • CAS :

    NA

  • Molecular Formula : C10H10N4O2

  • Molecular Weight : 218.22

PAI 03 022070

N-(2,2-dimethoxyethyl)-2-(1H-tetrazol-1-yl)acetamide


  • Catalogue No.:PAI 03 022070

  • CAS :

    NA

  • Molecular Formula : C7H13N5O3

  • Molecular Weight : 215.21

PAI 03 022080

(6R,7R)-3-(Acetoxymethyl)-8-oxo-7-(1H-tetrazole-1-carboxamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid


  • Catalogue No.:PAI 03 022080

  • CAS :

    NA

  • Molecular Formula : C12H12N6O6S

  • Molecular Weight : 368.32

PA 03 21650

7-Amino-3 chloromethyl-3-cephem-4-carboxylic Acid p-Methoxybenzyl Ester Hydrochloride

7-Amino-3 chloromethyl-3-cephem-4-carboxylic Acid p-Methoxybenzyl Ester Hydrochloride


  • Catalogue No.:PA 03 21650

  • CAS :

    113479-65-5

  • Molecular Formula : C16H18Cl2N2O4S

  • Molecular Weight : 405.3

PA 03 21590

N-(2-Oxoethyl)-1H-tetrazole-1-acetamide

N-(2-Oxoethyl)-1H-tetrazole-1-acetamide


  • Catalogue No.:PA 03 21590

  • CAS :

    1797135-60-4

  • Molecular Formula : C5H7N5O2

  • Molecular Weight : 169.14

PA 03 21600

Cefazolin Δ-4

Cefazolin Δ-4


  • Catalogue No.:PA 03 21600

  • CAS :

    NA

  • Molecular Formula : C14H16N8O5S3

  • Molecular Weight : 472.51

PA 03 21610

Cefazolin Delta-2-Isomer

Cefazolin Delta-2-Isomer


  • Catalogue No.:PA 03 21610

  • CAS :

    55390-53-9

  • Molecular Formula : C14H14N8O4S3

  • Molecular Weight : 454.5

PA 03 21620

(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

PA 03 21630

(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

PA 03 21640

(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

PAI 03 022040

2-(1H-Tetrazol-1-yl)acetyl Chloride

2-(1H-Tetrazol-1-yl)acetyl Chloride


  • Catalogue No.:PAI 03 022040

  • CAS :

    41223-92-1

  • Molecular Formula : C3H3ClN4O

  • Molecular Weight : 146.53

PAI 03 022050

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

PA 03 0211000

(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

PA 56 0951000

(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

PA 56 0951001

Methyl 1H-Tetrazol-1-ylacetate

Methyl 1H-Tetrazol-1-ylacetate


  • Catalogue No.:PA 56 0951001

  • CAS :

    55633-19-7

  • Molecular Formula : C4H6N4O2

  • Molecular Weight : 142.12