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Catalog No.:A20045  
Product: Valganciclovir Impurity/Guanine  
CAS No. 73-40-5  
Chemical Name: 2-Amino-1,7-dihydro-6H-purin-6-one  
Molecular Formula: Guanine  
Molecular Weight: 151.13  
Assay:98%  
Appearance:  
SMILES:NC(N1)=NC(N=CN2)=C2C1=O  
Storage Condition:  
Remark:Valganciclovir Impurity