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Dhamtec Pharma and Consultants-

Impurity Standards

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Mebendazole EP Impurity C

Product Code:
DH/MBL/1003		Molecular Formula:
C15H13N3O
CAS Number:
66066-76-0		Molecular Weight:
251.28
Synonyms: (2-amino-1-methyl-1Hbenzimidazol-5-yl)phenylmethanone


Mebendazole EP Impurity D

Product Code:
DH/MBL/1004		Molecular Formula:
C17H15N3O3
CAS Number:
132119-11-0		Molecular Weight:
309.32
Synonyms: methyl (5-benzoyl-1-methyl-1H-benzimidazol-2-yl)carbamate


Mebendazole EP Impurity E

Product Code:
DH/MBL/1005		Molecular Formula:
C17H15N3O3
CAS Number:
31430-19-0		Molecular Weight:
309.32
Synonyms: ethyl (5-benzoyl-1H-benzimidazol-2-yl)carbamate


Mebendazole EP Impurity F

Product Code:
DH/MBL/1006		Molecular Formula:
C₁₇H₁₅N₃O₃
CAS Number:
31545-31-0		Molecular Weight:
309.33
Synonyms: Toluoyl mebendazole (USP) ; 4-Methyl Mebendazole; [5-(4-Methylbenzoyl)-1H-benzimidazol-2-yl]carbamic Acid Methyl Ester; 5-p-Toluoyl-2-benzimidazolecarbamic Acid Methyl Ester


Mebendazole EP Impurity G

Product Code:
DH/MBL/1007		Molecular Formula:
C29H20N6O3
CAS Number:
129165-82-8		Molecular Weight:
500.51
Synonyms: N,N′-bis(5-benzoyl-1H-benzimidazol-2-yl)urea


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