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QC052901
Cefapirin sodium EP Impurity A
Molecular Formula: C15H13N3O4S2
Molecular Weight: 363.41
CAS No.: NA
QC052902
Cefapirin sodium EP Impurity B
Molecular Formula: C15H15N3O5S2
Molecular Weight: 381.43
CAS No.: 104557-24-6(Na salt)
QC052903
Cefapirin sodium EP Impurity C
Molecular Formula: C15H15N3O4S2
Molecular Weight: 365.43
CAS No.: NA
QC061800
Cefapirin sodium
Molecular Formula: C17H16N3NaO6S2
Molecular Weight: 445.45
CAS No.: 24356-60-3;21593-23-7(free base)