Impurity Standards

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Telmisartan EP Impurity C

Product Code:
DH/TMN/1003
Molecular Formula:
C37H38N4O2
CAS Number:
144702-26-1
Molecular Weight:
570.72
Synonyms: 2-(4-{[4-Methyl-6-(1-methyl-1H-1,3-benzodiazol-2-yl)-2-propyl-1H-1,3-benzodiazol-1-yl] methyl}phenyl)benzoic acid t-butyl ester


Telmisartan EP Impurity E

Product Code:
DH/TMN/1004
Molecular Formula:
C26H24N2O4
CAS Number:
884330-12-5
Molecular Weight:
428.48
Synonyms: 6-Des(1-methyl-2-benzimidazolyl)-6-carboxy Telmisartan


Telmisartan EP Impurity F

Product Code:
DH/TMN/1005
Molecular Formula:
C33H31N5O
CAS Number:
915124-86-6
Molecular Weight:
513.63
Synonyms: 2-(4-{[4-Methyl-6-(1-methyl-1H-1,3-benzodiazol-2-yl)-2-propyl-1H-1,3-benzodiazol-1-yl] methyl}phenyl)benzamide


Telmisartan EP Impurity D

Product Code:
DH/TMN/1008
Molecular Formula:
C26H24N2O4
CAS Number:
NA
Molecular Weight:
428.48
Synonyms: 1-[(2’-Carboxy[1,1’-biphenyl]-4-yl)methyl]-4-methyl-2-propyl-1H-benzimidazole-6-carboxylic Acid;


Terazosin EP Impurity A

Product Code:
DH/TZN/1003
Molecular Formula:
C10H10ClN3O2
CAS Number:
23680-84-4
Molecular Weight:
239.66
Synonyms: 4-Amino-2-chloro-6,7-dimethoxyquinazoline


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