CAS No 59277-89-3

IUPAC 2-Amino-9-[(2-hydroxyethoxy)methyl]-1,9-dihydro-6H-purin-6-one

Catalogue No. PACE-A04001

Molecular Formula C₈H₁₁N₅O₃

Molecular Weight 225.2 g/mol

Synonyms Valaciclovir EP Impurity B

CAS No 102728-64-3

IUPAC 2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl acetate

Catalogue No. PACE-A04002

Molecular Formula C₁₀H₁₃N₅O₄

Molecular Weight 267.2 g/mol

Synonyms O-Acetylacyclovir, Valaciclovir EP Impurity I , Acyclovir USP Related Compound A , Valaciclovir USP Related Compound I

CAS No 73-40-5

IUPAC 2-amino-1,7-dihydro-6H-purin-6-one

Catalogue No. PACE-A04003

Molecular Formula C₅H₅N₅O

Molecular Weight 151.1 g/mol

Synonyms Guanine , Valaciclovir EP Impurity A, Valaciclovir USP Related Compound A

CAS No 91702-61-3

IUPAC 2-Amino-7-[(2-hydroxyethoxy)methyl]-1,7-dihydro-6H-purin-6-one

Catalogue No. PACE-A04004

Molecular Formula C₈H₁₁N₅O₃

Molecular Weight 225.2 g/mol

Synonyms Aciclovir N7-Isomer