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QC051601
Cephalosporin Impurity A
Molecular Formula: C8H10N2O4S
Molecular Weight: 230.24
CAS No.: 15690-38-7
QC051602
Cephalosporin Impurity B
Molecular Formula: C8H8N2O3S
Molecular Weight: 212.23
CAS No.: 184696-69-3
QC051603
Cephalosporin Impurity C;Cephalosporin C
Molecular Formula: C16H21N3O8S
Molecular Weight: 415.42
CAS No.: 61-24-5;51762-04-0(Na salt)
QC051604
Cephalosporin Impurity D
Molecular Formula: C24H24N2O5S
Molecular Weight: 452.52
CAS No.: 29126-11-2
QC051605
Cephalosporin Impurity E
Molecular Formula: C24H24N2O6S
Molecular Weight: 468.52
CAS No.: NA
QC051606
Cephalosporin Impurity F
Molecular Formula: C24H22Cl2N2O5S
Molecular Weight: 521.41
CAS No.: 1269661-24-6
QC051608
Deacetoxycephalosporin C
Molecular Formula: C14H19N3O6S
Molecular Weight: 357.38
CAS No.: 26924-74-3
QC051609
Cephalosporin Impurity I
Molecular Formula: C16H16N2O4S
Molecular Weight: 332.37
CAS No.: 27255-72-7
QC051610
Cephalosporin Impurity J
Molecular Formula: C16H16N2O5S
Molecular Weight: 348.37
CAS No.: NA
QC051611
Cephalosporin Impurity K
Molecular Formula: C23H21N3O7S
Molecular Weight: 483.5
CAS No.: NA
QC051612
Cephalosporin Impurity L
Molecular Formula: C24H23N3O7S
Molecular Weight: 497.52
CAS No.: NA
QC051613
Cephalosporin Impurity M
Molecular Formula: C11H16N2O5S
Molecular Weight: 288.32
CAS No.: 646536-87-0
QC051614
Cephalosporin Impurity N
Molecular Formula: C10H13ClN2O4S
Molecular Weight: 292.73
CAS No.: NA
QC051615
Cephalosporin Impurity O
Molecular Formula: C15H19N3O7S
Molecular Weight: 385.39
CAS No.: NA
QC051616
Cephalosporin Impurity P
Molecular Formula: C25H26N2O6S
Molecular Weight: 482.55
CAS No.: 124329-31-3
QC051618
Cephalosporin Impurity 18
Molecular Formula: C24H23IN2O5S
Molecular Weight: 578.42
CAS No.: 101156-40-5
QC051619
Cephalosporin Impurity 19
Molecular Formula: C30H30N2O7S2
Molecular Weight: 594.7
CAS No.: 189315-21-7
QC051620
Cephalosporin Impurity 20
Molecular Formula: C16H17KN2O4S
Molecular Weight: 372.48
CAS No.: NA
QD050303
Deacetylcephalosporin C
Molecular Formula: C14H19N3O7S
Molecular Weight: 373.38
CAS No.: 1476-46-6
