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Dhamtec Pharma and Consultants-

Impurity Standards

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Acyclovir EP Impurity D

Product Code:
DH / ACR/1004		Molecular Formula:
C15H15N5O4
CAS Number:
59277-91-7		Molecular Weight:
329.31
Synonyms: 2-[(2-Amino-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy]ethyl benzoate


Acyclovir EP Impurity E

Product Code:
DH / ACR/1005		Molecular Formula:
C8H11N5O3
CAS Number:
N/A		Molecular Weight:
225.2
Synonyms: 6-amino-9-[(2- hydroxyethoxy) methyl]-1,9-dihydro-2H-purin-2-one


Acyclovir EP Impurity F

Product Code:
DH / ACR/1006		Molecular Formula:
C10H13N5O4
CAS Number:
110104-37-5		Molecular Weight:
267.24
Synonyms: N-[9-[(2-Hydroxyethoxy)methyl]-6-oxo-6,9-dihydro-1H-purin-2-yl]acetamide


Acyclovir EP Impurity G

Product Code:
DH / ACR/1007		Molecular Formula:
C12H15N5O5
CAS Number:
75128-73-3		Molecular Weight:
309.28
Synonyms: 2-[[2-(Acetylamino)-6-oxo-1,6-dihydro-9H-purin-9-yl]methoxy]ethyl acetate


Albendazole EP Impurity A

Product Code:
DH / ALB/1001		Molecular Formula:
C10H13N3S
CAS Number:
80983-36-4		Molecular Weight:
207.3
Synonyms: 5-(Propylsulphanyl)-1H-benzimidazol-2-amine


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