cefradine and its Impurities
Cefradine are used in the treatment of bacterial infections of the respiratory and urinary tracts and of the skin and soft tissues. It is a first generation cephalosporin antibiotic.. Reference standards of Cefradine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below


(1R,8S)-8-((2R)-2-Amino-2-(3,4-dibromo-7-oxabicyclo[4.1.0]heptan-1-yl)acetamido)-4-methyl-7-oxo-2-thiabicyclo[4.2.0]oct-4-ene-5-carboxylic Acid
(1R,8S)-8-((2R)-2-Amino-2-(3,4-dibromo-7-oxabicyclo[4.1.0]heptan-1-yl)acetamido)-4-methyl-7-oxo-2-thiabicyclo[4.2.0]oct-4-ene-5-carboxylic Acid
Catalogue No.:PAI 03 029002
CAS :
NA
Molecular Formula : C17H20Br2N2O5S
Molecular Weight : 524.22


(1R,8S)-8-((2R)-2-amino-2-(4,5-dibromocyclohex-1-en-1-yl)acetamido)-4-methyl-7-oxo-2-thiabicyclo[4.2.0]oct-4-ene-5-carboxylic Acid
(1R,8S)-8-((2R)-2-amino-2-(4,5-dibromocyclohex-1-en-1-yl)acetamido)-4-methyl-7-oxo-2-thiabicyclo[4.2.0]oct-4-ene-5-carboxylic Acid
Catalogue No.:PAI 03 029001
CAS :
NA
Molecular Formula : C17H20Br2N2O4S
Molecular Weight : 508.23