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    Home / CEPHALEXIN (CEFALEXIN / 2-(1-amino-2-(((R)-carboxy(phenyl)methyl)amino)-2-oxoethyl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid
    2-(1-amino-2-(((R)-carboxy(phenyl)methyl)amino)-2-oxoethyl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

    2-(1-amino-2-(((R)-carboxy(phenyl)methyl)amino)-2-oxoethyl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

    Synonym

    2-(1-amino-2-(((R)-carboxy(phenyl)methyl)amino)-2-oxoethyl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

    Molecular Formula

    C16H19N3O5S

    Molecular Weight

    365.41

    Catalogue Number

    AR-C02251

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    Common Package:10,25,50,100 mg

    Collections: CEPHALEXIN (CEFALEXIN

    Category: AR-C02251 C16H19N3O5S CEPHALEXIN (CEFALEXIN

    RELATED PRODUCTS
    Chloro Cephalexin Impurity

    Synonym

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

    Molecular Formula

    C16H16ClN3O4S

    Molecular Weight

    381.83

    Catalogue Number

    AR-C02258

    Parent Drug

    CEPHALEXIN (CEFALEXIN
    (S)-2-((6S,7S)-7-((S)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-phenylacetic acid

    Synonym

    (S)-2-((6S,7S)-7-((S)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-phenylacetic acid

    Molecular Formula

    C24H24N4O5S

    Molecular Weight

    480.54

    Catalogue Number

    AR-C02257

    Parent Drug

    CEPHALEXIN (CEFALEXIN
    Cephalexin Diketopiperazine Monoacid (Mixture of Diastereomers)

    Synonym

    2-(1-amino-2-((carboxy(phenyl)methyl)amino)-2-oxoethyl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

    Molecular Formula

    C16H19N3O5S

    Molecular Weight

    365.41

    Catalogue Number

    AR-Z00977

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    1323247-65-9
    Cephalexin 7-Epimer

    Synonym

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

    Molecular Formula

    C16H17N3O4S

    Molecular Weight

    347.40

    Catalogue Number

    AR-C02255

    Parent Drug

    CEPHALEXIN (CEFALEXIN
    Cephalexin R-Sulfoxide

    Synonym

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

    Molecular Formula

    C16H17N3O5S

    Molecular Weight

    363.39

    Catalogue Number

    AR-C02254

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    52210-38-5
    Cephalexin S-Sulfoxide

    Synonym

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

    Molecular Formula

    C16H17N3O5S

    Molecular Weight

    363.39

    Catalogue Number

    AR-C02253

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    74708-55-7
    (6R,7R)-3-methyl-8-oxo-7-(phenethoxyamino)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

    Synonym

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

    Molecular Formula

    C16H18N2O4S

    Molecular Weight

    334.40

    Catalogue Number

    AR-C02252

    Parent Drug

    CEPHALEXIN (CEFALEXIN
    D-Phenylglycine Amide

    Synonym

    (R)-2-amino-2-phenylacetamide

    Molecular Formula

    C8H10N2O

    Molecular Weight

    150.18

    Catalogue Number

    AR-C02250

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    6485-67-2
    D-Phenylglycine Methyl Ester

    Synonym

    (R)-methyl 2-amino-2-phenylacetate hydrochloride

    Molecular Formula

    C9H11NO2 . HCl

    Molecular Weight

    165.19 36.46

    Catalogue Number

    AR-C02249

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    19883-41-1
    Cephalexin Ethyl Homolog

    Synonym

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

    Molecular Formula

    C17H19N3O4S

    Molecular Weight

    361.42

    Catalogue Number

    AR-C02248

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    N/A
    Cephalexin Related Compound

    Synonym

    (6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid, sodium salt

    Molecular Formula

    C16H16N3O4S Na

    Molecular Weight

    346.39 22.99

    Catalogue Number

    AR-C02247

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    37050-97-8
    3-(aminomethylene)-6-phenylpiperazine-2,5-dione

    Synonym

    3-(aminomethylene)-6-phenylpiperazine-2,5-dione

    Molecular Formula

    C11H11N3O2

    Molecular Weight

    217.23

    Catalogue Number

    AR-C02245

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    65870-51-1
    Cephalexin Diketopiperazine

    Synonym

    2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

    Molecular Formula

    C16H17N3O4S

    Molecular Weight

    347.40

    Catalogue Number

    AR-C02243

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    59865-11-1
    (R)-2-((6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-phenylacetic acid

    Synonym

    (R)-2-((6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-phenylacetic acid

    Molecular Formula

    C24H24N4O5S

    Molecular Weight

    480.54

    Catalogue Number

    AR-C02242

    Parent Drug

    CEPHALEXIN (CEFALEXIN
    Cephalexin Impurity J (Cephalexin Sulfoxide)

    Synonym

    [6R-[6Ī±,7Ī²(R*)]]-7-[(Aminophenylacetyl)amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct2-ene-2-carboxylic Acid 5-Oxide

    Molecular Formula

    C16H17N3O5S

    Molecular Weight

    363.09

    Catalogue Number

    AR-C02241

    Parent Drug

    CEPHALEXIN (CEFALEXIN)

    CAS Number

    56193-21-6
    Cefalexin EP Impurity F Trifluoroacetate

    Synonym

    (6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid compound with 2,2,2-trifluoroacetic acid (1:1)

    Molecular Formula

    C16H17N3O4S. C2HF3O2

    Molecular Weight

    347.40 114.02

    Catalogue Number

    AR-C02240

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    79750-46-2 (free base)
    Cephalexin Impurity E (Cefradine EP Impurity G)

    Synonym

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

    Molecular Formula

    C13H18N2O4S

    Molecular Weight

    298.36

    Catalogue Number

    AR-C02239

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    146794-70-9
    Cephalexin EP Impurity D (Cefradine EP Impurity F, Cefadroxil EP Impurity G)

    Synonym

    3-hydroxy-4-methylthiophen-2(5H)-one

    Molecular Formula

    C5H6O2S

    Molecular Weight

    130.16

    Catalogue Number

    AR-C02238

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    34876-35-2
    Cephalexin Impurity C

    Synonym

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

    Molecular Formula

    C24H24N4O5S

    Molecular Weight

    480.55

    Catalogue Number

    AR-C02237

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    72528-40-6
    Cephalexin Dimer

    Synonym

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

    Molecular Formula

    C32H32N6O7S2

    Molecular Weight

    676.76

    Catalogue Number

    AR-C02236

    Parent Drug

    CEPHALEXIN (CEFALEXIN
    Cephalexin Phenylglycin

    Synonym

    (R)-2-((6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-phenylacetic acid

    Molecular Formula

    C24H24N4O5S

    Molecular Weight

    480.55

    Catalogue Number

    AR-C02235

    Parent Drug

    CEPHALEXIN (CEFALEXIN
    N-Ethoxycarbonyl-7-ADCA

    Synonym

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

    Molecular Formula

    C11H14N2O5S

    Molecular Weight

    286.31

    Catalogue Number

    AR-C02234

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    72820-16-7
    L-Cephalexin

    Synonym

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

    Molecular Formula

    C16H17N3O4S

    Molecular Weight

    347.39

    Catalogue Number

    AR-C02233

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    34632-04-7
    Cephalexin-d5

    Synonym

    (6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid-D5

    Molecular Formula

    C16H12N3O4SD5

    Molecular Weight

    352.43

    Catalogue Number

    AR-C02232

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    15686-71-2 (non-labelled)
    Cephalexin

    Synonym

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

    Molecular Formula

    C16H17N3O4S

    Molecular Weight

    347.40

    Catalogue Number

    AR-C02231

    Parent Drug

    CEPHALEXIN (CEFALEXIN

    CAS Number

    15686-71-2