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Dhamtec Pharma and Consultants-

Impurity Standards

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Losartan EP Impurity H

Product Code:
LSN/1005		Molecular Formula:
C41H37ClN6O
CAS Number:
133909-99-6		Molecular Weight:
665.23
Synonyms: 2-Butyl-4-chloro-1-[[2'-[2- (triphenylmethyl)-2H-tetrazol-5-yl][1,1'-biphenyl-4-yl]methyl]-1H-imidazole-5-methanol


(S)-Luliconazole-E-isomer

Product Code:
DH/LCL/1001		Molecular Formula:
C14H9Cl2N3S2
CAS Number:
256424-63-2		Molecular Weight:
354.28
Synonyms: (αE)-α-[(4S)-4-(2,4-Dichlorophenyl)-1,3-dithiolan-2-ylidene]-1H-imidazole-1-acetonitrile


(S)-Luliconazole-Z-isomer

Product Code:
DH/LCL/1002		Molecular Formula:
C14H9Cl2N3S2
CAS Number:
NA		Molecular Weight:
354.28
Synonyms: (αZ)-α-[(4S)-4-(2,4-Dichlorophenyl)-1,3-dithiolan-2-ylidene]-1H-imidazole-1-acetonitrile


Mebendazole EP Impurity A

Product Code:
DH/MBL/1001		Molecular Formula:
C14H11N3O
CAS Number:
52329-60-9		Molecular Weight:
237.26
Synonyms: (2-amino-1H- benzimidazol-5-yl)phenylmethanone


Mebendazole EP Impurity B

Product Code:
DH/MBL/1002		Molecular Formula:
C14H10N2O2
CAS Number:
21472-33-3		Molecular Weight:
238.24
Synonyms: (2-hydroxy-1H-benzimidazol-5- yl)phenylmethanone


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