Valganciclovir-impurities | Pharmaffiliates

valganciclovir and its Impurities

Valganciclovir is used in adults to prevent infection with cytomegalovirus that may occur after an organ transplant. It is sold under the brandname Valcyte. Reference standards of Valganciclovir API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 47 results for valganciclovir Impurities
PA 22 33520

N-Carbobenzyloxy Valganciclovir

N-Carbobenzyloxy Valganciclovir


  • Catalogue No.:PA 22 33520

  • CAS :

    194154-40-0

  • Molecular Formula : C22H28N6O7

  • Molecular Weight : 488.49

PA 22 33540

O-Acetyl N-Carbobenzyloxy Valganciclovir

O-Acetyl N-Carbobenzyloxy Valganciclovir


  • Catalogue No.:PA 22 33540

  • CAS :

    194159-22-3

  • Molecular Formula : C24H30N6O8

  • Molecular Weight : 530.53

PA 22 33550

Methoxymethylguanine

Methoxymethylguanine


  • Catalogue No.:PA 22 33550

  • CAS :

    NA

  • Molecular Formula : C7H9N5O2

  • Molecular Weight : 195.18

PA 22 33560

Mixture of (S,R)-Iso Valganciclovir and (R,R)-Iso Valganciclovir

Mixture of (S,R)-Iso Valganciclovir and (R,R)-Iso Valganciclovir


  • Catalogue No.:PA 22 33560

  • CAS :

    NA

  • Molecular Formula : C14H22N6O5

  • Molecular Weight : 354.36

PA 22 33570

(S)-4-(4-(2-(2-Amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-((1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)amino)-5-oxopentanoic Acid

(S)-4-(4-(2-(2-Amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-((1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)amino)-5-oxopentanoic Acid


  • Catalogue No.:PA 22 33570

  • CAS :

    2518419-18-4

  • Molecular Formula : C24H30N6O8

  • Molecular Weight : 530.53

PA 22 33590

(R,S)-Iso Valganciclovir

(R,S)-Iso Valganciclovir


  • Catalogue No.:PA 22 33590

  • CAS :

    1356932-18-7

  • Molecular Formula : C14H22N6O5

  • Molecular Weight : 354.36

PA STI 064870

N-Methyl Valganciclovir-d5 Hydrochloride

N-Methyl Valganciclovir-d5 Hydrochloride


  • Catalogue No.:PA STI 064870

  • CAS :

    NA

  • Molecular Formula : C15H20D5ClN6O5

  • Molecular Weight : 409.88

PA STI 002350

O-Acetyl N-Benzyloxycarbonyl Valganciclovir-d5

O-Acetyl N-Benzyloxycarbonyl Valganciclovir-d5


  • Catalogue No.:PA STI 002350

  • CAS :

    1356354-05-6

  • Molecular Formula : C24H25D5N6O8

  • Molecular Weight : 535.56

PA STI 086460

Valganciclovir-d5 Hydrochloride

Valganciclovir-d5 Hydrochloride


  • Catalogue No.:PA STI 086460

  • CAS :

    NA

  • Molecular Formula : C14H18D5ClN6O5

  • Molecular Weight : 395.85

PA STI 086470

Valganciclovir-d8

Valganciclovir-d8


  • Catalogue No.:PA STI 086470

  • CAS :

    1132088-63-1

  • Molecular Formula : C14H14D8N6O5

  • Molecular Weight : 362.41

PA STI 086480

D-Valganciclovir-d5 Hydrochloride

D-Valganciclovir-d5 Hydrochloride


  • Catalogue No.:PA STI 086480

  • CAS :

    NA

  • Molecular Formula : C14H18D5ClN6O5

  • Molecular Weight : 398.85

PAI 22 003010

Allyl Chloromethyl Ether

Allyl Chloromethyl Ether


  • Catalogue No.:PAI 22 003010

  • CAS :

    3970-20-5

  • Molecular Formula : C4H7ClO

  • Molecular Weight : 106.55

PAI 22 003020

9-((Allyloxy)methyl)-6-(benzyloxy)-9H-purin-2-amine

9-((Allyloxy)methyl)-6-(benzyloxy)-9H-purin-2-amine


  • Catalogue No.:PAI 22 003020

  • CAS :

    NA

  • Molecular Formula : C16H17N5O2

  • Molecular Weight : 311.34

PAI 22 003030

3-((2-Amino-6-(benzyloxy)-9H-purin-9-yl)methoxy)propane-1,2-diol

3-((2-Amino-6-(benzyloxy)-9H-purin-9-yl)methoxy)propane-1,2-diol


  • Catalogue No.:PAI 22 003030

  • CAS :

    1429306-12-6

  • Molecular Formula : C16H19N5O4

  • Molecular Weight : 345.35

PAI 22 003040

(S,R)-O6-BENZYL ISO VALGANCICLOVIR+(R,R)-O6-BENZYL ISO VALGANCICLOVIR

(S,R)-O6-BENZYL ISO VALGANCICLOVIR+(R,R)-O6-BENZYL ISO VALGANCICLOVIR


  • Catalogue No.:PAI 22 003040

  • CAS :

    NA

  • Molecular Formula : C29H34N6O7

  • Molecular Weight : 578.62

PA 22 33600

N,N’-Dicyclohexylcarbodiimide

N,N’-Dicyclohexylcarbodiimide


  • Catalogue No.:PA 22 33600

  • CAS :

    538-75-0

  • Molecular Formula : C13H22N2

  • Molecular Weight : 206.33

PA 22 33610

L-Valine 2-[[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]methoxy]-3-hydroxypropyl Ester

L-Valine 2-[[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]methoxy]-3-hydroxypropyl Ester


  • Catalogue No.:PA 22 33610

  • CAS :

    1356932-88-1

  • Molecular Formula : C15H24N6O6

  • Molecular Weight : 384.39

Valganciclovir Hydrochloride (1708004)


  • Catalogue No.:PA USP1708004

  • CAS :

    175865-59-5

  • Molecular Formula :

  • Molecular Weight : NA

D-Valganciclovir (2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)-methoxy]-3-hydroxypropyl D-valine es (1708015)


  • Catalogue No.:PA USP1708015

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA 22 33620

Valganciclovir N3,N3'-Methylene Dimer

Valganciclovir N3,N3'-Methylene Dimer


  • Catalogue No.:PA 22 33620

  • CAS :

    1401661-96-8

  • Molecular Formula : C29H44N12O10

  • Molecular Weight : 720.75

PA 22 33630

(S)-1-((S)-3-((2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)-2-hydroxypropoxy)-3-methyl-1-oxobutan-2-aminium Chloride

(S)-1-((S)-3-((2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)-2-hydroxypropoxy)-3-methyl-1-oxobutan-2-aminium Chloride


  • Catalogue No.:PA 22 33630

  • CAS :

    NA

  • Molecular Formula : C14H23ClN6O5

  • Molecular Weight : 390.83

PAI 22 003080

(Allyloxy)methyl Acetate

(Allyloxy)methyl Acetate


  • Catalogue No.:PAI 22 003080

  • CAS :

    NA

  • Molecular Formula : C6H10O3

  • Molecular Weight : 130.14

PAI 22 003090

N-(9-((Allyloxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)acetamide

N-(9-((Allyloxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)acetamide


  • Catalogue No.:PAI 22 003090

  • CAS :

    NA

  • Molecular Formula : C11H13N5O3

  • Molecular Weight : 263.26

PAI 22 003100

N-(7-((Allyloxy)methyl)-6-oxo-6,7-dihydro-1H-purin-2-yl)acetamide

N-(7-((Allyloxy)methyl)-6-oxo-6,7-dihydro-1H-purin-2-yl)acetamide


  • Catalogue No.:PAI 22 003100

  • CAS :

    NA

  • Molecular Formula : C11H13N5O3

  • Molecular Weight : 263.26

PAI 22 003110

N-(9-((2,3-Dihydroxypropoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)acetamide

N-(9-((2,3-Dihydroxypropoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)acetamide


  • Catalogue No.:PAI 22 003110

  • CAS :

    NA

  • Molecular Formula : C11H15N5O5

  • Molecular Weight : 297.27

PAI 22 003120

(R)-2-((2-Acetamido-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)-2-hydroxyethyl L-Valinate compound with (S)-2-((2-Acetamido-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)-2-hydroxyethyl D-Valinate (1:1)

(R)-2-((2-Acetamido-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)-2-hydroxyethyl L-Valinate compound with (S)-2-((2-Acetamido-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)-2-hydroxyethyl D-Valinate (1:1)


  • Catalogue No.:PAI 22 003120

  • CAS :

    NA

  • Molecular Formula : C15H22N6O6

  • Molecular Weight : 382.38

PAI 22 003130

Boc-L-Valine

Boc-L-Valine


  • Catalogue No.:PAI 22 003130

  • CAS :

    13734-41-3

  • Molecular Formula : C10H19NO4

  • Molecular Weight : 217.27

PAI 22 003140

N-(9-(Methoxymethyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)acetamide

N-(9-(Methoxymethyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)acetamide


  • Catalogue No.:PAI 22 003140

  • CAS :

    NA

  • Molecular Formula : C9H11N5O3

  • Molecular Weight : 237.22

PAI 22 003050

1,4-Dioxaspiro[4.5]decan-2-ylmethanol

1,4-Dioxaspiro[4.5]decan-2-ylmethanol


  • Catalogue No.:PAI 22 003050

  • CAS :

    4167-35-5

  • Molecular Formula : C9H16O3

  • Molecular Weight : 172.22

PAI 22 003060

(1,4-Dioxaspiro[4.5]decan-2-ylmethoxy)methyl Acetate

(1,4-Dioxaspiro[4.5]decan-2-ylmethoxy)methyl Acetate


  • Catalogue No.:PAI 22 003060

  • CAS :

    NA

  • Molecular Formula : C12H20O5

  • Molecular Weight : 244.29

PAI 22 003070

N-(9-(((1,4-Dioxaspiro[4.5]decan-2-yl)methoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)acetamide

N-(9-(((1,4-Dioxaspiro[4.5]decan-2-yl)methoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)acetamide


  • Catalogue No.:PAI 22 003070

  • CAS :

    NA

  • Molecular Formula : C17H23N5O5

  • Molecular Weight : 377.40

PA 22 0331000

2-(((2-Amino-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy)methoxy)-3-hydroxypropyl D-valinate

2-(((2-Amino-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy)methoxy)-3-hydroxypropyl D-valinate


  • Catalogue No.:PA 22 0331000

  • CAS :

    1356353-76-8

  • Molecular Formula : C15H24N6O6

  • Molecular Weight : 384.39

PA 22 0780000

Valganciclovir - API Standards

Valganciclovir


  • Catalogue No.:PA 22 0780000

  • CAS :

    175865-60-8

  • Molecular Formula : C14H22N6O5

  • Molecular Weight : 354.37

PAI 22 003141

Valganciclovir

(R)-2-((2-Acetamido-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)-2-hydroxyethyl (tert-butoxycarbonyl)-L-valinate compound with (S)-2-((2-acetamido-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)-2-hydroxyethyl (tert-butoxycarbonyl)-D-valinate (1:1)


  • Catalogue No.:PAI 22 003141

  • CAS :

    NA

  • Molecular Formula : C40H60N12O16

  • Molecular Weight : 964.99

PA 22 0331001

2-((6-Amino-4-oxo-4,5-dihydro-1H-imidazo[4,5-c]pyridin-1-yl)methoxy)-3-chloropropyl Valinate

2-((6-Amino-4-oxo-4,5-dihydro-1H-imidazo[4,5-c]pyridin-1-yl)methoxy)-3-chloropropyl Valinate


  • Catalogue No.:PA 22 0331001

  • CAS :

    NA

  • Molecular Formula : C15H22ClN5O4

  • Molecular Weight : 371.82

PAI 22 003142

2-((2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)propane-1,3-diyl (2R,2'R)-bis(2-(((benzyloxy)carbonyl)amino)-3-methylbutanoate)

2-((2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)propane-1,3-diyl (2R,2'R)-bis(2-(((benzyloxy)carbonyl)amino)-3-methylbutanoate)


  • Catalogue No.:PAI 22 003142

  • CAS :

    NA

  • Molecular Formula : C35H43N7O10

  • Molecular Weight : 721.77

PAI 22 003143

2-((2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)-3-hydroxypropyl ((benzyloxy)carbonyl)-D-valinate

2-((2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)-3-hydroxypropyl ((benzyloxy)carbonyl)-D-valinate


  • Catalogue No.:PAI 22 003143

  • CAS :

    NA

  • Molecular Formula : C22H28N6O7

  • Molecular Weight : 488.5

PAI 22 033001

Ethyl (S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-((1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)amino)-5-oxopentanoate

Ethyl (S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-((1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)amino)-5-oxopentanoate


  • Catalogue No.:PAI 22 033001

  • CAS :

    NA

  • Molecular Formula : C26H34N6O8

  • Molecular Weight : 558.59

PAI 22 033002

(S)-2-(4-(2-(2-Amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-ethoxy-5-oxopentanoic Acid

(S)-2-(4-(2-(2-Amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-ethoxy-5-oxopentanoic Acid


  • Catalogue No.:PAI 22 033002

  • CAS :

    1802552-09-5

  • Molecular Formula : C22H25N5O6

  • Molecular Weight : 455.47

PA 22 0781001

3-((2-Amino-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy)-2-hydroxypropyl valinate

3-((2-Amino-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy)-2-hydroxypropyl valinate


  • Catalogue No.:PA 22 0781001

  • CAS :

    NA

  • Molecular Formula : C14H22N6O5

  • Molecular Weight : 354.37

PA 22 0781002

2-((2-Amino-3-nitroso-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy)-3-hydroxypropyl L-valinate

2-((2-Amino-3-nitroso-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy)-3-hydroxypropyl L-valinate


  • Catalogue No.:PA 22 0781002

  • CAS :

    NA

  • Molecular Formula : C14H21N7O6

  • Molecular Weight : 383.37

PA 22 0781003

((1,3-Dichloropropan-2-yl)oxy)methyl Acetate

((1,3-Dichloropropan-2-yl)oxy)methyl Acetate


  • Catalogue No.:PA 22 0781003

  • CAS :

    89281-73-2

  • Molecular Formula : C6H10Cl2O3

  • Molecular Weight : 201.04

PA 22 0781004

2-((2-Amino-6-oxo-1,6-dihydro-7H-purin-7-yl)methoxy)propane-1,3-diyl Diacetate

2-((2-Amino-6-oxo-1,6-dihydro-7H-purin-7-yl)methoxy)propane-1,3-diyl Diacetate


  • Catalogue No.:PA 22 0781004

  • CAS :

    227610-80-2

  • Molecular Formula : C13H17N5O6

  • Molecular Weight : 339.31

PA 22 0781005

2-((2-Amino-6-oxo-5,6-dihydro-9H-purin-9-yl)methoxy)-3-hydroxypropyl ((benzyloxy)carbonyl)-L-valyl-L-valinate

2-((2-Amino-6-oxo-5,6-dihydro-9H-purin-9-yl)methoxy)-3-hydroxypropyl ((benzyloxy)carbonyl)-L-valyl-L-valinate


  • Catalogue No.:PA 22 0781005

  • CAS :

    1654737-34-4

  • Molecular Formula : C27H37N7O8

  • Molecular Weight : 587.63

PA 22 0781006

2-Benzyloxycarbonylamino-3-methyl-butyric acid 2-(2-amino-6-oxo-5,6-dihydro- purin-9-ylmethoxy)-3-(2-benzyloxycarbonylamino-3-methyl-butyryloxy)-propyl Ester

2-Benzyloxycarbonylamino-3-methyl-butyric acid 2-(2-amino-6-oxo-5,6-dihydro- purin-9-ylmethoxy)-3-(2-benzyloxycarbonylamino-3-methyl-butyryloxy)-propyl Ester


  • Catalogue No.:PA 22 0781006

  • CAS :

    NA

  • Molecular Formula : C35H43N7O10

  • Molecular Weight : 721.77

PA 22 0781007

9,9'-(((2-Hydroxypropane-1,3-diyl)bis(oxy))bis(methylene))bis(2-amino-1,9-dihydro-6H-purin-6-one)

9,9'-(((2-Hydroxypropane-1,3-diyl)bis(oxy))bis(methylene))bis(2-amino-1,9-dihydro-6H-purin-6-one)


  • Catalogue No.:PA 22 0781007

  • CAS :

    NA

  • Molecular Formula : C15H18N10O5

  • Molecular Weight : 418.37

PA 22 0781008

Acetyl Valganciclovir

Acetyl Valganciclovir


  • Catalogue No.:PA 22 0781008

  • CAS :

    960582-59-6

  • Molecular Formula : C16H24N6O6

  • Molecular Weight : 396.4