famciclovir and its Impurities
Famciclovir is a prodrug of penciclovir with higher oral bioavailability. It is marketed as Famvir by Novartis, is a guanine analogue used to treat herpes virus infections. It is most commonly used to treat herpes zoster.. Reference standards of Famciclovir API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below


Famciclovir System Suitability Mixture (Mixture of Famciclovir, Propionyl famciclovir and 6-Chloro (1269163)
Famciclovir System Suitability Mixture (Mixture of Famciclovir, Propionyl famciclovir and 6-Chloro (1269163)
Catalogue No.:PA USP1269163
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA


Famciclovir Related Compound A (2-[2-(2-Amino-9H-purin-9-yl)ethyl]propane-1,3-diol hydrochloride) (1269174)
Famciclovir Related Compound A (2-[2-(2-Amino-9H-purin-9-yl)ethyl]propane-1,3-diol hydrochloride) (1269174)
Catalogue No.:PA USP1269174
CAS :
246021-75-0
Molecular Formula : NA
Molecular Weight : NA


Famciclovir Related Compound B [4-(2-Amino-9H-purin-9-yl)-2-(hydroxymethyl)butyl acetate] (1269185)
Famciclovir Related Compound B [4-(2-Amino-9H-purin-9-yl)-2-(hydroxymethyl)butyl acetate] (1269185)
Catalogue No.:PA USP1269185
CAS :
104227-88-5
Molecular Formula : NA
Molecular Weight : NA


2-(2-(2-((1-(9-(4-Acetoxy-3-(acetoxymethyl)butyl)-2-amino-9H-purin-8-yl)ethyl)amino)-9H-purin-9-yl)ethyl)propane-1,3-diyl diacetate
2-(2-(2-((1-(9-(4-Acetoxy-3-(acetoxymethyl)butyl)-2-amino-9H-purin-8-yl)ethyl)amino)-9H-purin-9-yl)ethyl)propane-1,3-diyl diacetate
Catalogue No.:PA 06 0721013
CAS :
1797985-90-0
Molecular Formula : C30H40N10O8
Molecular Weight : 668.71