Cephalexin Impurities

  • CAS No.: 215172-75-1 - 2-Hydroxy Cephalexin

    2-Hydroxy Cephalexin

    CAS No. : 215172-75-1
    Synonyms : 2-Hydroxy Cefalexin; (6R,7R)-7-[[(2R)-2-Amino-2-(2-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; (6R,7R)-7-[[(2R)-Amino(2-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    Catalog No. : SA12017

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  • CAS No.: 67308-21-8 (acid) ; 37050-97-8 (sodium salt) - Cefalexin EP Impurity G; Isocefalexine

    Cefalexin EP Impurity G; Isocefalexine

    CAS No. : 67308-21-8 (acid) ; 37050-97-8 (sodium salt)
    Synonyms : Cephalexin EP Impurity G; Isocephalexine; Cefaclor EP Impurity G; [6R-[6α,7β(R*)]]-7-[(Aminophenylacetyl)amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid
    Catalog No. : SA12016

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  • CAS No.: 15686-71-2 (anhydrous) ; 23325-78-2 (monohydrate) - Cefalexin Monohydrate

    Cefalexin Monohydrate

    CAS No. : 15686-71-2 (anhydrous) ; 23325-78-2 (monohydrate)
    Synonyms : Cephalexin Monohydrate; (6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid monohydrate
    Catalog No. : SA12015

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  • CAS No.: 875-74-1 - Cefalexin EP Impurity A

    Cefalexin EP Impurity A

    CAS No. : 875-74-1
    Synonyms : Cephalexin EP Impurity A; Cefaclor EP Impurity A; D-Phenylglycine; (-)-Phenylglycine; (2R)-Amino-2-phenylethanoic Acid; (R)-(-)-2-Phenylglycine; (R)-2-Phenyl-2-aminoethanoic Acid; (R)-Phenylglycine; D-(-)-Aminophenylacetic Acid; D-(-)-Phenylglycine; D-(-)-α-Phenylglycine; D-α-Aminophenylacetic Acid
    Catalog No. : SA12014

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  • CAS No.: NA - Cephalexin Ethyl homolog

    Cephalexin Ethyl homolog

    CAS No. : NA
    Synonyms : Cefalexin Ethyl homolog; (6R,7R)-7-((R)-2-Amino-2-phenylacetamido)-3-ethyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-Carboxylic acid
    Catalog No. : SA12013

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  • CAS No.: 34876-35-2 - Cefalexin EP Impurity D

    Cefalexin EP Impurity D

    CAS No. : 34876-35-2
    Synonyms : 3-Hydroxy-4-methylthiophen-2(5H)-one; 3-Hydroxy-4-methyl-2(5H)-thiophenone; 2-Hydroxy-4-mercapto-3-methyl-γ-(thio lactone) Crotonic Acid
    Catalog No. : SA12012

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  • CAS No.: 56487-68-4 - Δ-2-7-Aminodesacetoxycephalosporanic Acid

    Δ-2-7-Aminodesacetoxycephalosporanic Acid

    CAS No. : 56487-68-4
    Synonyms : (6R,7R)-7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid; [6R-(6α,7β)]-7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic Acid; 7-Amino-3-methyl-2-cephem-4-carboxylic Acid
    Catalog No. : SA12011

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  • CAS No.: NA - C-Phenyl Glycyl Cephalexin.TFA salt

    C-Phenyl Glycyl Cephalexin.TFA salt

    CAS No. : NA
    Synonyms : D-Phenylglycyl Cephalexin; (R)-2-((6R,7R)-2-((R)-carboxy(phenyl)methylcarbamoyl)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-ylamino)-2-oxo-1-phenylethanaminium 2,2,2-trifluoroacetate
    Catalog No. : SA12010

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  • CAS No.: 72528-40-6 (base) - Cefalexin EP Impurity C; Phenylglycyl Cephalexin TFA Salt

    Cefalexin EP Impurity C; Phenylglycyl Cephalexin TFA Salt

    CAS No. : 72528-40-6 (base)
    Synonyms : D-Phenylglycyl Cephalexin; Cephalexin EP Impurity C; (6R,7R)-7-[[(2R)-2-[[(2R)-2-Amino-2-phenylacetyl]amino]-2-phenylacetyl] amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; Phenylglycylcefalexin; (6R-trans)-2-Phenylglycyl-N-(2-carboxy-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-yl)-2-phenylglycinamide
    Catalog No. : SA12009

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  • CAS No.: 79750-46-2 - ∆2-Cephalexin; Cefalexin EP Impurity F

    ∆2-Cephalexin; Cefalexin EP Impurity F

    CAS No. : 79750-46-2
    Synonyms : Cephalexin EP Impurity F; Cefalexin 3-Ene Isomer; delta-2-cefalexin; (2RS,6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid
    Catalog No. : SA12008

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  • CAS No.: NA - Cephalexin Dimer

    Cephalexin Dimer

    CAS No. : NA
    Synonyms : (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 Trifluoroacetate
    Catalog No. : SA12007

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  • CAS No.: 59865-11-1 - Cephalexin Diketopiperazine

    Cephalexin Diketopiperazine

    CAS No. : 59865-11-1
    Synonyms : Cefalexin Diketopiperazine; 2-(3,6-Dioxo-5-phenyl-2-piperazinyl)-3,6-dihydro-5-methyl-2H-1,3-thiazine-4-carboxylic Acid
    Catalog No. : SA12006

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  • CAS No.: 34632-04-7 - L-Cephalexin

    L-Cephalexin

    CAS No. : 34632-04-7
    Synonyms : L-Cefalexin; 7-(α-Amino-L-phenylacetamido)-3-deacetoxycephalosporanic Acid; (6R,7R)-7-[[(2S)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; [6R-[6α,7β(S*)]]-7-[(Aminophenylacetyl)amino]- 3-methyl-8-oxo-5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
    Catalog No. : SA12005

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  • CAS No.: 72820-16-7 - N-Ethoxycarbonyl-7-ADCA

    N-Ethoxycarbonyl-7-ADCA

    CAS No. : 72820-16-7
    Synonyms : (6R-trans)-7-[(Ethoxycarbonyl)amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; (6R-trans)-7-[(Eththia-1-az2-ene-2-carboxylic Acid; (6R,7R)-7-((ethoxycarbonyl)amino)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    Catalog No. : SA12004

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  • CAS No.: 56193-21-6 - Cefalexin Sulfoxide

    Cefalexin Sulfoxide

    CAS No. : 56193-21-6
    Synonyms : Cephalexin Sulfoxide; [6R-[6α,7β(R*)]]-7-[(Aminophenylacetyl)amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid 5-Oxide
    Catalog No. : SA12003

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  • CAS No.: 146794-70-9 - Cefalexin EP Impurity E

    Cefalexin EP Impurity E

    CAS No. : 146794-70-9
    Synonyms : Cephalexin EP Impurity E; 7-ADCA Pivalamide; Cefadroxil EP Impurity H; Cefradine EP Impurity G; 7-Aminodeacetoxycephalosporanic Acid Pivalamide; (6R,7R)-7-[(2,2-dimethyl-1-oxopropyl)amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; (6R-trans)-7-[(2,2-dimethyl-1-oxopropyl)amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
    Catalog No. : SA12002

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  • CAS No.: 22252-43-3 - Cefalexin EP Impurity B; 7-Aminodesacetoxycephalosporanic acid

    Cefalexin EP Impurity B; 7-Aminodesacetoxycephalosporanic acid

    CAS No. : 22252-43-3
    Synonyms : Cephalexin EP Impurity B; 7-Amino-3-deacetoxycephalosporanic Acid; Deacetoxycephalosporanic Acid; Cefadroxil EP Impurity B; (6R,7R)-7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
    Catalog No. : SA12001

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