Valaciclovir

Valaciclovir EP Impurity A Valaciclovir Impurity A :

2-Amino-1,9-dihydro-6H-purin-6-one ; CAS : 73-40-5 ; C5H5N5O ; MW: 151.13 ;
Valaciclovir EP Impurity B Valaciclovir Impurity B:

 2-Amino-9-[(2-hydroxyethoxy)methyl]-1,9-dihydro-6H-purin-6-one ; CAS : 59277-89-3 ; C8H11N5O3 ; MW: 225.20 ;
Valaciclovir EP Impurity C Valaciclovir Impurity C:

2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl-N-methyl-L-valinate ; CAS : 1346617-39-7 (HCl salt) ; 1346747-65-6 (base) ;

C14H22N6O4 (base) ; MW: 338.36 ;

C14H23ClN6O4 (HCl salt) ; MW: 374.82 ;
Valaciclovir EP Impurity D Valaciclovir Impurity D :

2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl-N-ethyl-L-valinate ; CAS : 1346747-69-0 ; C15H24N6O4 ; MW: 352.39 ;
Valaciclovir EP Impurity E Valaciclovir  Impurity E:

2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl N-(benzyloxy carbonyl)-L-valinate ; CAS : 124832-31-1 ; C21H26N6O6 ; MW: 458.47 ;
Valaciclovir EP Impurity F Valaciclovir Impurity F :

2-Hydroxyethyl L-valinate tosylate ; CAS : 86150-61-0 ; C14H23NO6S ; MW: 333.40 ;
Valaciclovir EP Impurity G Valaciclovir Impurity G:

N,N-Dimethylpyridin-4-amine ; CAS : 1122-58-3 ; C7H10N2 ; MW: 122.17 ;
Valaciclovir EP Impurity H Valaciclovir Impurity H:

2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl L-alaninate ; CAS : 84499-64-9 (base) ; 84499-63-8 (HCl salt) ; C11H16N6O4 ; MW: 296.28 ;
Valaciclovir EP Impurity I Valaciclovir Impurity I:

 2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl acetate ; CAS : 102728-64-3 ; C10H13N5O4 ; MW: 267.24 ;
Valaciclovir EP Impurity J Valaciclovir Impurity J:

 2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl L-isoleucinate ; CAS : 142963-63-1 ; C14H22N6O4 ; MW: 338.36 ;
Valaciclovir EP Impurity K Valaciclovir Impurity K:

 9-[(2-Hydroxyethoxy)methyl]-2-[[[(6-oxo-6,9-dihydro-1Hpurin-2-yl) amino] methyl]amino]-1,9-dihydro-6H-purin-6-one ;

C14H16N10O4 ; MW: 388.34 ;
Valaciclovir EP Impurity L Valaciclovir Impurity L:

2,2′-(Methylenediimino)bis[9-[(2-hydroxyethoxy)methyl]-1,9-dihydro-6H-purin-6-one] ;

CAS : 1797131-64-6 ; C17H22N10O6 ; MW: 462.42 ;
Valaciclovir EP Impurity M Valaciclovir Impurity M:

 2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl N-formyl-L-valinate ; CAS : 847670-62-6 ; C14H20N6O5 ; MW: 352.35 ;
Valaciclovir EP Impurity N Valaciclovir  Impurity N :

 2-[[6-Oxo-2-[[[(6-oxo-6,9-dihydro-1H-purin-2-yl)amino]methyl]amino]-1,6-dihydro-9H-purin-9-yl]methoxy]ethyl L-valinate ; C19H25N11O5 ; MW: 487.47 ;
Valaciclovir EP Impurity O Valaciclovir Impurity O:

2-[[2-[[[[9-[(2-Hydroxyethoxy)methyl]-6-oxo-6,9-dihydro-1H-purin-2-yl] amino] methyl]amino]-6-oxo-1,6-dihydro-9H-purin-9-yl]methoxy]ethyl L-valinate ;

C22H31N11O7 ; MW: 561.55 ;
Valaciclovir EP Impurity P Valaciclovir Impurity P:

2,2′-[Methylenebis[imino(6-oxo-1,6-dihydro-9H-purine-9,2-diyl)methylene oxy]] diethyl di(L-valinate) ;  CAS :1356019-51-6 ; C27H40N12O8 ; MW: 660.68 ;
Valaciclovir EP Impurity Q Valaciclovir Impurity Q:

 2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl N-[[(6-oxo-6,9-dihydro-1H-purin-2-yl)amino]methyl]-L-valinate ;

C19H25N11O5 ; MW: 487.47 ;
Valaciclovir EP Impurity R Valaciclovir  Impurity R :

2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl D-valinate hydrochloride ; CAS : 124832-28-6 ; C13H21ClN6O4 ; MW: 360.8 ;