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API Impurities

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CEFMETAZOLE (6R, 7R)-ISOMER
CEFMETAZOLE (6R, 7R)-ISOMER

Chemical Name: (6R,7R)-7-(2-(cyanomethylthio)acetamido)...

CAS No:
N. A.

Molecular Formula: C15H17N7O5S3

Molecular Weight: 471.53

CAT No:
ALL-CEFM-6R,7R-ISO

Keywords: CEFMETAZOLE (6R, 7R)-ISOMER

Inventory Status:3-4 Weeks

CEFMETAZOLE ACID
CEFMETAZOLE ACID

Chemical Name: (6R,7S)-7-[2-[(cyanomethyl)thio]acetamid...

CAS No:
56796-20-4

Molecular Formula: C15H17N7O5S3

Molecular Weight: 471.53

CAT No:
ALL-CEFM-ACID

Keywords: CEFMETAZOLE ACID

Inventory Status:3-4 Weeks

CEFMETAZOLE DITETRAZOLYL IMPURITY
CEFMETAZOLE DITETRAZOLYL IMPURITY

Chemical Name: (6R-cis)-7-Methoxy-7-[[[(1-methyl-1H-tet...

CAS No:
74228-11-8

Molecular Formula: C15H17N10NaO5S3

Molecular Weight: 536.54

CAT No:
ALL-CEFM-DET

Keywords: CEFMETAZOLE DITETRAZOLYL IMPURITY

Inventory Status:3-4 Weeks

CEFMETAZOLE LACTONE
CEFMETAZOLE LACTONE

Chemical Name: (5aR-cis)-2-[(Cyanomethyl)thio]-N-(1,4,5...

CAS No:
70993-70-3

Molecular Formula: C13H13N3O5S2

Molecular Weight: 355.39

CAT No:
ALL-CEFM-LAC

Keywords: CEFMETAZOLE LACTONE

Inventory Status:3-4 Weeks

CEFMETAZOLE S-METHYL IMPURITY
CEFMETAZOLE S-METHYL IMPURITY

Chemical Name: (6R-cis)-7-[[[(Cyanomethyl)thio]acetyl]a...

CAS No:
68576-47-6

Molecular Formula: C15H17N7O4S4

Molecular Weight: 487.6

CAT No:
ALL-CEFM-S-ME

Keywords: CEFMETAZOLE S-METHYL IMPURITY

Inventory Status:3-4 Weeks

CEFMETAZOLE SODIUM
CEFMETAZOLE SODIUM

Chemical Name: Sodium (6R,7S)-7-[[2-(cyanomethylsulfany...

CAS No:
56796-39-5

Molecular Formula: C15H16N7NaO5S3

Molecular Weight: 493.52

CAT No:
ALL-CEFM-STD

Keywords: CEFMETAZOLE SODIUM

Inventory Status:3-4 Weeks