Cephalosporin Impurities

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Impurity structure Parent Drug Name Name of Impurity Catalogue No. CAS No.
Cefalexin Impurity 15 Cefalexin / Cephalosporin

Cefalexin Impurity 15

VE0016831 27255-72-7
Cephalosporin C Cephalosporin

Cephalosporin C

VE0016786 61-24-5
Cephalosporin C (Na Salt) Cephalosporin

Cephalosporin C (Na Salt)

VE0013493 51762-04-0
Cephalosporin Impurity 5 Cephalosporin

Cephalosporin Impurity 5

VE0013494 29126-11-2
Cephalosporin Impurity 7 Cephalosporin

Cephalosporin Impurity 7

VE0013503 1269661-24-6
Cephalosporin Impurity 9 Cephalosporin

Cephalosporin Impurity 9

VE0013505 104758-14-7
Cephalosporin Lactone Impurity Cephalosporin

Cephalosporin Lactone Impurity

VE007978 184696-69-3
Cephalosporin N Cephalosporin / Synnematin / Penicillin

Cephalosporin N

VE0017012 525-94-0
Deacetoxycephalosporin C Cephalosporin

Deacetoxycephalosporin C

VE009505 26924-74-3