penciclovir and its Impurities
An antiviral drug which is used for treating herpesvirus infections. Penciclovir is a guanosine (a purine nucleoside) analogue and a metabolite of Famciclovir .Reference standards of Penciclovir API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
 
	
			                                   
																				(E)-2-(2-(2-((4-(2-Amino-6-chloro-9H-purin-9-yl)-2-formylbut-1-en-1-yl)amino)-6-chloro-9H-purin-9-yl)ethyl)propane-1,3-diyl Diacetate
(E)-2-(2-(2-((4-(2-Amino-6-chloro-9H-purin-9-yl)-2-formylbut-1-en-1-yl)amino)-6-chloro-9H-purin-9-yl)ethyl)propane-1,3-diyl Diacetate
- Catalogue No.:PA 16 92560 
- CAS : - NA
- Molecular Formula : C24H26Cl2N10O5 
- Molecular Weight : 605.43 
 
	
			                                   
																				1-(4-Hydroxy-3-(hydroxymethyl)butyl)-7-imino-1,3,6,8-tetraazaspiro[4.4]nonane-2,4,9-trione
1-(4-Hydroxy-3-(hydroxymethyl)butyl)-7-imino-1,3,6,8-tetraazaspiro[4.4]nonane-2,4,9-trione
- Catalogue No.:PA 16 0921013 
- CAS : - 1379017-92-1
- Molecular Formula : C10H15N5O5 
- Molecular Weight : 285.26 

 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				![Dimethyl 2-[2-(2-amino-6-chloropurin-9-yl)ethyl]ma PA 16 0921002](https://www.pharmaffiliates.com/pimages/PA160921002.jpg) 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
 
 
 
