Dhamtec Pharma and Consultants-
Dhamtec Pharma and Consultants-

Impurity Standards

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Losartan EP Impurity K

Product Code:
DH/LSN/1006		Molecular Formula:
C22H21ClN6O
CAS Number:
114798-36-6		Molecular Weight:
420.89
Synonyms: 2-Butyl-4-chloro-1-[p-(o-1H-tetrazol-5-ylphenyl)benzyl]imidazole-5-formaldehyde


Losartan EP Impurity C

Product Code:
DH/LSN/1007		Molecular Formula:
C22H23ClN6O
CAS Number:
860644-28-6		Molecular Weight:
422.91
Synonyms: : 2-Butyl-5-chloro-1-[p-(o-1H-tetrazol-5-ylphenyl)benzyl]imidazole-4-methanol


Losartan EP Impurity M

Product Code:
DH/LSN/1008		Molecular Formula:
C44H44Cl2N12O
CAS Number:
230971-72-9		Molecular Weight:
827.81
Synonyms: : 2-Butyl-1-[[2’-[2-[[2-butyl-4-chloro-1-[[2’-(2H-tetrazol-5-yl)[1,1’-biphenyl]-4-yl]methyl]-1H-imidazol-5-yl]methyl]-2H-tetrazol-5-yl][1,1’-biphenyl]-4-yl]methyl]-4-chloro-1H-imidazole-5-methanol


Losartan EP Impurity E

Product Code:
DH/ LSN/1003		Molecular Formula:
C14H12N4
CAS Number:
N/A		Molecular Weight:
236.27
Synonyms: 5-(4'-Methyl-(1,1'-biphenyl)-2-yl)-1H-tetrazole


Losartan EP Impurity F

Product Code:
DH/ LSN/1004		Molecular Formula:
C25H29ClN6O
CAS Number:
1332713-64-0		Molecular Weight:
464.99
Synonyms: 5-[4'-[[2-Butyl-4-chloro-5-[(isopropyloxy)methyl]-1H-imidazol-1-yl]methyl] [1,1'-biphenyl]-2-yl]-2H-tetrazole


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