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    Cefazolin EP Impurity J

    Cefazolin EP Impurity J

    Synonym

    4-​carboxy-​5,​6-​dihydro-​5-​methylene-​α-​[[2-​(1H-​tetrazol-​1-​yl)​acetyl]​amino]​-2H-​1,​3-​Thiazine-​2-​acetic acid

    Molecular Formula

    C11H12N6O5S; NA

    Molecular Weight

    340.32; 22.99

    Catalogue Number

    AR-C05297

    Parent Drug

    CEFAZOLIN

    CAS Number

    145204-46-2; alt. cas# 1675245-00-7 (free acid)

    Common Package:10,25,50,100 mg

    Collections: CEFAZOLIN

    Category: 145204-46-2 1675245-00-7 AR-C05297 C11H12N6O5S; NA CEFAZOLIN

    RELATED PRODUCTS
    Cefazolin

    Synonym

    (6R,7R)-3-[[(5-Methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-7-[[2-(1H-tetrazol-1-
    yl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

    Molecular Formula

    C14H14N8O4S3

    Molecular Weight

    454.51

    Catalogue Number

    AR-C04136

    Parent Drug

    Cefazolin

    CAS Number

    25953-19-9
    (6R,7R,Z)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methylene)-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid

    Synonym

    (6R,7R,Z)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methylene)-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid

    Molecular Formula

    C14H14N8O4S3

    Molecular Weight

    454.50

    Catalogue Number

    AR-C01735

    Parent Drug

    CEFAZOLIN
    (6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

    Synonym

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

    Molecular Formula

    C14H14N8O4S3

    Molecular Weight

    454.50

    Catalogue Number

    AR-C01734

    Parent Drug

    CEFAZOLIN
    Cefazolin EP Impurity I

    Synonym

    (2R)-2-((R)-(2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

    Molecular Formula

    C14H16N8O5S3

    Molecular Weight

    472.53

    Catalogue Number

    AR-C01733

    Parent Drug

    CEFAZOLIN
    Cefazolin Trimethylsilyl Ester

    Synonym

    (6R,7R)-trimethylsilyl 7-(2-(1H-tetrazol-1-yl)acetamido)-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

    Molecular Formula

    C17H22N8O4S3Si

    Molecular Weight

    526.68

    Catalogue Number

    AR-C01732

    Parent Drug

    CEFAZOLIN

    CAS Number

    1072000-00-0
    (6R,7R)-trimethylsilyl 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-carboxylate

    Synonym

    (6R,7R)-trimethylsilyl 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-carboxylate

    Molecular Formula

    C14H20N4O3S3Si

    Molecular Weight

    416.60

    Catalogue Number

    AR-C01731

    Parent Drug

    CEFAZOLIN

    CAS Number

    66636-33-7
    (R)-2-((R)-(2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-methylene-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

    Synonym

    (R)-2-((R)-(2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-methylene-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

    Molecular Formula

    C11H12N6O5S

    Molecular Weight

    340.31

    Catalogue Number

    AR-C01730

    Parent Drug

    CEFAZOLIN
    (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

    Synonym

    (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

    Molecular Formula

    C18H20N4O8S2

    Molecular Weight

    484.50

    Catalogue Number

    AR-C01729

    Parent Drug

    CEFAZOLIN
    Cefazolin Related Compund D (Cefazolin open-ring lactone)

    Synonym

    (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

    Molecular Formula

    C11H12N6O5S

    Molecular Weight

    340.31

    Catalogue Number

    AR-C01728

    Parent Drug

    CEFAZOLIN
    Tetrazolyl Acetamide Diethyl Acetal

    Synonym

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

    Molecular Formula

    C9H17N5O3

    Molecular Weight

    243.27

    Catalogue Number

    AR-C01727

    Parent Drug

    CEFAZOLIN
    Cefazolin EP Impurity L

    Synonym

    (6R,7S)-7-(2-(1H-tetrazol-1-yl)acetamido)-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 epimer; 7-epi-Cefazolin

    Molecular Formula

    C14H14N8O4S3

    Molecular Weight

    454.51

    Catalogue Number

    AR-C01726

    Parent Drug

    CEFAZOLIN
    Cefazolin delta-3 Impurity

    Synonym

    (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

    Molecular Formula

    C14H16N8O5S3

    Molecular Weight

    472.53

    Catalogue Number

    AR-C01725

    Parent Drug

    CEFAZOLIN

    CAS Number

    N/A
    Cefazolin Sodium EP Impurity H (7-Aminocephalosporanic Acid)

    Synonym

    (6R,7R)-3-(acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

    Molecular Formula

    C10H12N2O5S

    Molecular Weight

    272.28

    Catalogue Number

    AR-C01724

    Parent Drug

    CEFAZOLIN

    CAS Number

    957-68-6
    (6R,7R)-7-(4-amino-4-carboxybutanamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

    Synonym

    (6R,7R)-7-(4-amino-4-carboxybutanamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

    Molecular Formula

    C13H17N3O6S

    Molecular Weight

    343.36

    Catalogue Number

    AR-C01723

    Parent Drug

    CEFAZOLIN
    (6R,7R)-7-(4-amino-4-carboxybutanamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

    Synonym

    (6R,7R)-7-(4-amino-4-carboxybutanamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

    Molecular Formula

    C13H17N3O7S

    Molecular Weight

    359.36

    Catalogue Number

    AR-C01722

    Parent Drug

    CEFAZOLIN
    Tetrazolyl Acetamide Acetal

    Synonym

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

    Molecular Formula

    C5H9N5O3

    Molecular Weight

    187.16

    Catalogue Number

    AR-C01721

    Parent Drug

    CEFAZOLIN

    CAS Number

    N/A
    Cefazolin delta-4 Impurity

    Synonym

    (2R)-2-((R)-(2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

    Molecular Formula

    C11H16N8O5S3

    Molecular Weight

    472.53

    Catalogue Number

    AR-C01720

    Parent Drug

    CEFAZOLIN

    CAS Number

    N/A
    Cefazolin 3-Hydroxymethyl Impurity

    Synonym

    (6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

    Molecular Formula

    C11H12N6O5S

    Molecular Weight

    340.32

    Catalogue Number

    AR-C01719

    Parent Drug

    CEFAZOLIN

    CAS Number

    N/A
    Cefazolin EP Impurity C

    Synonym

    (6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

    Molecular Formula

    C11H12N6O4S

    Molecular Weight

    324.32

    Catalogue Number

    AR-C01718

    Parent Drug

    CEFAZOLIN

    CAS Number

    56842-77-4
    Cefazolin EP Impurity D Sodium Salt

    Synonym

    (6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(acetoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, sodium salt

    Molecular Formula

    C13H13N6O6S. Na

    Molecular Weight

    381.35 22.99

    Catalogue Number

    AR-C01717

    Parent Drug

    CEFAZOLIN

    CAS Number

    27164-45-0
    Cefazolin Impurity A

    Synonym

    (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

    Molecular Formula

    C11H12N4O3S3

    Molecular Weight

    344.44

    Catalogue Number

    AR-C01716

    Parent Drug

    CEFAZOLIN

    CAS Number

    30246-33-4
    Cefazolin Impurity (1H-Tetrazole-1-Acetic Acid)

    Synonym

    2-(1H-tetrazol-1-yl)acetic acid

    Molecular Formula

    C3H4N4O2

    Molecular Weight

    128.09

    Catalogue Number

    AR-C01715

    Parent Drug

    CEFAZOLIN

    CAS Number

    21732-17-2
    Cefazolin EP Impurity E

    Synonym

    5-methyl-1,3,4-thiadiazole-2(3H)-thione

    Molecular Formula

    C3H4N2S2

    Molecular Weight

    132.21

    Catalogue Number

    AR-C01714

    Parent Drug

    CEFAZOLIN

    CAS Number

    29490-19-5
    Cefazolin EP Impurity G

    Synonym

    N-((5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(1H-tetrazol-1-yl)acetamide

    Molecular Formula

    C11H10N6O4S

    Molecular Weight

    322.30

    Catalogue Number

    AR-C01713

    Parent Drug

    CEFAZOLIN

    CAS Number

    1172998-53-6
    Cefazolin EP Impurity B

    Synonym

    (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

    Molecular Formula

    C16H20N4O4S3

    Molecular Weight

    428.55

    Catalogue Number

    AR-C01712

    Parent Drug

    CEFAZOLIN
    Cefazolin-13C2-15N

    Synonym

    (6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-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-13C2-15N

    Molecular Formula

    13C215N C12H14N7O4S3

    Molecular Weight

    457.48

    Catalogue Number

    AR-C01711

    Parent Drug

    CEFAZOLIN

    CAS Number

    25953-19-9 (non-labelled)
    Cefazolin-d2-15N

    Synonym

    (6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-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-D2-15N

    Molecular Formula

    C14H12N8O4S3D2

    Molecular Weight

    457.52

    Catalogue Number

    AR-C01710

    Parent Drug

    CEFAZOLIN
    Cefazolin Impurity I

    Synonym

    (S)-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

    Molecular Formula

    C14H16N8O5S3

    Molecular Weight

    472.53

    Catalogue Number

    AR-C01708

    Parent Drug

    CEFAZOLIN
    Cefazolin EP Impurity K

    Synonym

    Cefazolinamide; (6R,​7R)​-3-​[[(5-​methyl-​1,​3,​4-​thiadiazol-​2-​yl)​thio]​methyl]​-​8-​oxo-​7-​[[2-​(1H-​tetrazol-​1-​yl)​acetyl]​amino]​-​5-​Thia-​1-​azabicyclo[4.2.0]​oct-​2-​ene-​2-​carboxamide

    Molecular Formula

    C14H15N9O3S3

    Molecular Weight

    453.51

    Catalogue Number

    AR-C01707

    Parent Drug

    CEFAZOLIN

    CAS Number

    2410652-70-7; alt. cas# 1322626-65-2
    Cefazolin Sodium Salt

    Synonym

    (6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-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, sodium salt

    Molecular Formula

    C14H13N8O4S3. Na

    Molecular Weight

    453.50 22.99

    Catalogue Number

    AR-C01706

    Parent Drug

    CEFAZOLIN

    CAS Number

    27164-46-1