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 pharmacopieal impurities, and stable isotopes are listed below.

Displaying 25 results for penciclovir Impurities
PA 16 92000

Penciclovir - API

Penciclovir


  • Catalogue No.:PA 16 92000

  • CAS :

    39809-25-1

  • Molecular Formula : C10H15N5O3

  • Molecular Weight : 253.26

PA 16 92510

Dehydroxy-(chloro) Penciclovir

Dehydroxy-(chloro) Penciclovir


  • Catalogue No.:PA 16 92510

  • CAS :

    100199-40-4

  • Molecular Formula : C10H14ClN5O2

  • Molecular Weight : 271.7

PA 16 92520

Penciclovir Monoacetate

Penciclovir Monoacetate


  • Catalogue No.:PA 16 92520

  • CAS :

    97845-80-2

  • Molecular Formula : C12H17N5O4

  • Molecular Weight : 295.29

PA 16 92530

Penciclovir Diacetate

Penciclovir Diacetate


  • Catalogue No.:PA 16 92530

  • CAS :

    97845-72-2

  • Molecular Formula : C14H19N5O5

  • Molecular Weight : 337.33

PA 16 92540

Methyl Ethyl Decarboxylated

Methyl Ethyl Decarboxylated


  • Catalogue No.:PA 16 92540

  • CAS :

    1696426-78-4

  • Molecular Formula : C13H16ClN5O4

  • Molecular Weight : 341.75

PA 16 92550

4-(2-Amino-6-chloro-9H-purin-9-yl)butyl Acetate

4-(2-Amino-6-chloro-9H-purin-9-yl)butyl Acetate


  • Catalogue No.:PA 16 92550

  • CAS :

    37-69-0

  • Molecular Formula : C11H14ClN5O2

  • Molecular Weight : 283.71

PA 16 92560

(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

PA 16 92570

2-(2-(2-Acetamido-6-chloro-9H-purin-9-yl)ethyl)propane-1,3-diyl diacetate

2-(2-(2-Acetamido-6-chloro-9H-purin-9-yl)ethyl)propane-1,3-diyl diacetate


  • Catalogue No.:PA 16 92570

  • CAS :

    NA

  • Molecular Formula : C16H20ClN5O5

  • Molecular Weight : 397.81

PA 16 92580

2-(2-(2-Amino-6-chloro-7H-purin-7-yl)ethyl)propane-1,3-diyl Diacetate

2-(2-(2-Amino-6-chloro-7H-purin-7-yl)ethyl)propane-1,3-diyl Diacetate


  • Catalogue No.:PA 16 92580

  • CAS :

    NA

  • Molecular Formula : C14H18ClN5O4

  • Molecular Weight : 355.78

PA 16 92590

Dimethyl 2-[2-(2-amino-6-chloropurin-9-yl)ethyl]malonate

Dimethyl 2-[2-(2-amino-6-chloropurin-9-yl)ethyl]malonate


  • Catalogue No.:PA 16 92590

  • CAS :

    172529-93-0

  • Molecular Formula : C12H14ClN5O4

  • Molecular Weight : 327.72

PA 16 92600

6-Methoxy Famciclovir

6-Methoxy Famciclovir


  • Catalogue No.:PA 16 92600

  • CAS :

    131266-11-0

  • Molecular Formula : C15H21N5O5

  • Molecular Weight : 351.36

PA 16 92610

2-(2-(7-Acetyl-2-amino-6-chloro-7H-purin-9(8H)-yl)ethyl)propane-1,3-diyl Diacetate

2-(2-(7-Acetyl-2-amino-6-chloro-7H-purin-9(8H)-yl)ethyl)propane-1,3-diyl Diacetate


  • Catalogue No.:PA 16 92610

  • CAS :

    NA

  • Molecular Formula : C16H22ClN5O5

  • Molecular Weight : 399.83

PA 16 92620

Methyl 2-(acetoxymethyl)-4-(2-amino-6-chloro-9H-purin-9-yl)butanoate

Methyl 2-(acetoxymethyl)-4-(2-amino-6-chloro-9H-purin-9-yl)butanoate


  • Catalogue No.:PA 16 92620

  • CAS :

    NA

  • Molecular Formula : C13H16ClN5O4

  • Molecular Weight : 341.75

PA 16 92630

Triethyl 3-(2-amino-6-chloro-9H-purin-9-yl)propane-1,1,1-tricarboxylate

Triethyl 3-(2-amino-6-chloro-9H-purin-9-yl)propane-1,1,1-tricarboxylate


  • Catalogue No.:PA 16 92630

  • CAS :

    122497-17-0

  • Molecular Formula : C17H22ClN5O6

  • Molecular Weight : 427.84

PA 16 92640

N-(6-Chloro-9H-purin-2-yl)formamide

N-(6-Chloro-9H-purin-2-yl)formamide


  • Catalogue No.:PA 16 92640

  • CAS :

    149948-30-1

  • Molecular Formula : C6H4ClN5O

  • Molecular Weight : 197.58

PA 16 92650

Triethyl 3-bromopropane-1,1,1-tricarboxylate

Triethyl 3-bromopropane-1,1,1-tricarboxylate


  • Catalogue No.:PA 16 92650

  • CAS :

    NA

  • Molecular Formula : C12H19BrO6

  • Molecular Weight : 339.18

PA 16 92660

Diethyl Butanoylpropanedioate

Diethyl Butanoylpropanedioate


  • Catalogue No.:PA 16 92660

  • CAS :

    21633-79-4

  • Molecular Formula : C11H18O5

  • Molecular Weight : 230.26

PA 16 92670

Triethyl Methanetricarboxylate

Triethyl Methanetricarboxylate


  • Catalogue No.:PA 16 92670

  • CAS :

    6279-86-3

  • Molecular Formula : C10H16O6

  • Molecular Weight : 232.23

PA STI 071670

Penciclovir-d4


  • Catalogue No.:PA STI 071670

  • CAS :

    1020719-72-5

  • Molecular Formula : C10H11D4N5O3

  • Molecular Weight : 257.28

PA 16 92680

2-Deamino-(2,3-dihydro-2-oxo) Penciclovir

2-Deamino-(2,3-dihydro-2-oxo) Penciclovir


  • Catalogue No.:PA 16 92680

  • CAS :

    108970-74-7

  • Molecular Formula : C10H14N4O4

  • Molecular Weight : 254.25

PA 16 92690

2,5-Diamino-6-(hydroxyamino)pyrimidin-4(3H)-one

2,5-Diamino-6-(hydroxyamino)pyrimidin-4(3H)-one


  • Catalogue No.:PA 16 92690

  • CAS :

    NA

  • Molecular Formula : C4H7N5O2

  • Molecular Weight : 157.13

PA 16 92700

5,5-Diamino-4-((4-hydroxy-3-(hydroxymethyl)butyl)amino)oxazol-2(5H)-one

5,5-Diamino-4-((4-hydroxy-3-(hydroxymethyl)butyl)amino)oxazol-2(5H)-one


  • Catalogue No.:PA 16 92700

  • CAS :

    NA

  • Molecular Formula : C8H16N4O4

  • Molecular Weight : 232.24

PA 16 92710

5-((4-Hydroxy-3-(hydroxymethyl)butyl)amino)-2-imino-2,3-dihydro-4H-imidazol-4-one

5-((4-Hydroxy-3-(hydroxymethyl)butyl)amino)-2-imino-2,3-dihydro-4H-imidazol-4-one


  • Catalogue No.:PA 16 92710

  • CAS :

    NA

  • Molecular Formula : C8H14N4O3

  • Molecular Weight : 214.23

PA 16 92720

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 92720

  • CAS :

    NA

  • Molecular Formula : C10H15N5O5

  • Molecular Weight : 285.26

PA 16 92730

2-Amino-1,7-dihydro-7-[4-hydroxy-3-(hydroxymethyl)butyl]-6H-purin-6-one

2-Amino-1,7-dihydro-7-[4-hydroxy-3-(hydroxymethyl)butyl]-6H-purin-6-one


  • Catalogue No.:PA 16 92730

  • CAS :

    127205-22-5

  • Molecular Formula : C10H15N5O3

  • Molecular Weight : 253.26