Acyclovir-Impurities | Pharmaffiliates

acyclovir and its Impurities

Acyclovir is an antiviral drug, used in the treatment of Herpes and AIDS. It is an an orally active acyclic nucleoside. Reference standards of Acyclovir API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 26 results for acyclovir Impurities
PA 01 20890

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 01 20890

  • CAS :

    NA

  • Molecular Formula : C8H14N4O3

  • Molecular Weight : 214.23

PA 01 20900

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 01 20900

  • CAS :

    NA

  • Molecular Formula : C10H15N5O5

  • Molecular Weight : 285.26

PAI 01 002360

Acetic Acid Methoxymethyl Ester


  • Catalogue No.:PAI 01 002360

  • CAS :

    4382-76-7

  • Molecular Formula : C4H8O3

  • Molecular Weight : 104.11

PAI 01 002370

tert-Butyl (9-((2-hydroxyethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)carbamate

tert-Butyl (9-((2-hydroxyethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)carbamate


  • Catalogue No.:PAI 01 002370

  • CAS :

    2408958-07-4

  • Molecular Formula : C13H19N5O5

  • Molecular Weight : 325.33

PAI 01 002380

(2-((2-((tert-Butoxycarbonyl)amino)-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)ethoxy)methyl Acetate


  • Catalogue No.:PAI 01 002380

  • CAS :

    NA

  • Molecular Formula : C16H23N5O7

  • Molecular Weight : 397.39

PA 01 20910

(2-Acetamido-4-oxo-4,7-dihydro-3H-pyrrolo[3,2-d]pyrimidin-7-yl)methyl Acetate

(2-Acetamido-4-oxo-4,7-dihydro-3H-pyrrolo[3,2-d]pyrimidin-7-yl)methyl Acetate


  • Catalogue No.:PA 01 20910

  • CAS :

    NA

  • Molecular Formula : C11H12N4O4

  • Molecular Weight : 264.24

PA 01 20920

2-Amino-9-(hydroxymethyl)-1,9-dihydro-6H-purin-6-one

2-Amino-9-(hydroxymethyl)-1,9-dihydro-6H-purin-6-one


  • Catalogue No.:PA 01 20920

  • CAS :

    NA

  • Molecular Formula : C6H7N5O2

  • Molecular Weight : 181.16

PAI 01 002390

2-Chloro-1,9-dihydro-6H-purin-6-one

2-Chloro-1,9-dihydro-6H-purin-6-one


  • Catalogue No.:PAI 01 002390

  • CAS :

    NA

  • Molecular Formula : C5H3ClN4O

  • Molecular Weight : 170.56

PAI 01 002400

9-Acetyl-2-chloro-1,9-dihydro-6H-purin-6-one

9-Acetyl-2-chloro-1,9-dihydro-6H-purin-6-one


  • Catalogue No.:PAI 01 002400

  • CAS :

    NA

  • Molecular Formula : C7H5ClN4O2

  • Molecular Weight : 212.59

PAI 01 002410

2,2'-(Methylenebis(azanediyl))bis(9-acetyl-1,9-dihydro-6H-purin-6-one)

2,2'-(Methylenebis(azanediyl))bis(9-acetyl-1,9-dihydro-6H-purin-6-one)


  • Catalogue No.:PAI 01 002410

  • CAS :

    NA

  • Molecular Formula : C15H14N10O4

  • Molecular Weight : 398.34

PA 01 0201000

8-Hydroxyacyclovir

8-Hydroxyacyclovir


  • Catalogue No.:PA 01 0201000

  • CAS :

    80685-23-0

  • Molecular Formula : C8H11N5O4

  • Molecular Weight : 241.21

PAI 01 002411

2-(2-Acetamido-6-((diphenylcarbamoyl)oxy)-9H-purin-9-yl)ethyl Acetate

2-(2-Acetamido-6-((diphenylcarbamoyl)oxy)-9H-purin-9-yl)ethyl Acetate


  • Catalogue No.:PAI 01 002411

  • CAS :

    NA

  • Molecular Formula : C24H22N6O5

  • Molecular Weight : 474.48

PA 01 0201001

Acyclovir Benzoate

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


  • Catalogue No.:PA 01 0201001

  • CAS :

    59277-91-7

  • Molecular Formula : C15H15N5O4

  • Molecular Weight : 329.32

PA 01 0201002

N2-Acetyl Acyclovir Benzoate

2-[[2-(Acetylamino)-6-oxo-1,6-dihydro-9H-purin-9-yl]methoxy]ethyl Benzoate


  • Catalogue No.:PA 01 0201002

  • CAS :

    133186-23-9

  • Molecular Formula : C17H17N5O5

  • Molecular Weight : 371.35

PAI 01 002412

Tert-Butyl (9-((2-(hydroxymethoxy)ethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)carbamate

Tert-Butyl (9-((2-(hydroxymethoxy)ethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)carbamate


  • Catalogue No.:PAI 01 002412

  • CAS :

    NA

  • Molecular Formula : C14H21N5O6

  • Molecular Weight : 355.35

PAI 01 002413

Di-tert-butyl ((2,5,7,10-tetraoxaundecane-1,11-diyl)bis(6-oxo-6,9-dihydro-1H-purine-9,2-diyl))dicarbamate

Di-tert-butyl ((2,5,7,10-tetraoxaundecane-1,11-diyl)bis(6-oxo-6,9-dihydro-1H-purine-9,2-diyl))dicarbamate


  • Catalogue No.:PAI 01 002413

  • CAS :

    NA

  • Molecular Formula : C27H38N10O10

  • Molecular Weight : 662.66

PAI 01 002414

N2-Isobutyrylacyclovir

N2-Isobutyrylacyclovir


  • Catalogue No.:PAI 01 002414

  • CAS :

    205533-48-8

  • Molecular Formula : C12H17N5O4

  • Molecular Weight : 295.3

PAI 01 002415

N-(9-((2-(Hydroxymethoxy)ethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)isobutyramide

N-(9-((2-(Hydroxymethoxy)ethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)isobutyramide


  • Catalogue No.:PAI 01 002415

  • CAS :

    NA

  • Molecular Formula : C13H19N5O5

  • Molecular Weight : 325.33

PAI 01 002416

N-(9-((2-((Benzyloxy)methoxy)ethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)isobutyramide

N-(9-((2-((Benzyloxy)methoxy)ethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)isobutyramide


  • Catalogue No.:PAI 01 002416

  • CAS :

    NA

  • Molecular Formula : C20H25N5O5

  • Molecular Weight : 415.45

PAI 01 002417

N,N'-((2,5,7,10-Tetraoxaundecane-1,11-diyl)bis(6-oxo-6,9-dihydro-1H-purine-9,2-diyl))diacetamide

N,N'-((2,5,7,10-Tetraoxaundecane-1,11-diyl)bis(6-oxo-6,9-dihydro-1H-purine-9,2-diyl))diacetamide


  • Catalogue No.:PAI 01 002417

  • CAS :

    NA

  • Molecular Formula : C21H26N10O8

  • Molecular Weight : 546.5

PAI 01 002418

2-((2-Acetamido-9-acetyl-6-oxo-1,6,8,9-tetrahydro-7H-purin-7-yl)methoxy)ethyl Acetate

2-((2-Acetamido-9-acetyl-6-oxo-1,6,8,9-tetrahydro-7H-purin-7-yl)methoxy)ethyl Acetate


  • Catalogue No.:PAI 01 002418

  • CAS :

    NA

  • Molecular Formula : C14H19N5O6

  • Molecular Weight : 353.34

PA 01 0201004

2-amino-9-(((2-hydroxyethoxy)methoxy)methyl)-1,9-dihydro-6H-purin-6-one compound with 2-amino-9-((2-(hydroxymethoxy)ethoxy)methyl)-1,9-dihydro-6H-purin-6-one (1:1)

2-amino-9-(((2-hydroxyethoxy)methoxy)methyl)-1,9-dihydro-6H-purin-6-one compound with 2-amino-9-((2-(hydroxymethoxy)ethoxy)methyl)-1,9-dihydro-6H-purin-6-one (1:1)


  • Catalogue No.:PA 01 0201004

  • CAS :

    NA

  • Molecular Formula : C18H26N10O8

  • Molecular Weight : 510.47

PAI 01 002419

N-(9-((2-((tert-Butyldimethylsilyl)oxy)ethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)acetamide

N-(9-((2-((tert-Butyldimethylsilyl)oxy)ethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)acetamide


  • Catalogue No.:PAI 01 002419

  • CAS :

    139767-69-4

  • Molecular Formula : C16H27N5O4Si

  • Molecular Weight : 381.51

PAI 01 002420

N-Allyl-N-(6-(allyloxy)-9-((2-((tert-butyldimethylsilyl)oxy)ethoxy)methyl)-9H-purin-2-yl)acetamide

N-Allyl-N-(6-(allyloxy)-9-((2-((tert-butyldimethylsilyl)oxy)ethoxy)methyl)-9H-purin-2-yl)acetamide


  • Catalogue No.:PAI 01 002420

  • CAS :

    NA

  • Molecular Formula : C22H35N5O4Si

  • Molecular Weight : 461.64

PAI 01 002421

N-Allyl-N-(6-(allyloxy)-9-((2-hydroxyethoxy)methyl)-9H-purin-2-yl)acetamide

N-Allyl-N-(6-(allyloxy)-9-((2-hydroxyethoxy)methyl)-9H-purin-2-yl)acetamide


  • Catalogue No.:PAI 01 002421

  • CAS :

    NA

  • Molecular Formula : C16H21N5O4

  • Molecular Weight : 347.38

PAI 01 002422

(2-((2-(N-Allylacetamido)-6-(allyloxy)-9H-purin-9-yl)methoxy)ethoxy)methyl Acetate

(2-((2-(N-Allylacetamido)-6-(allyloxy)-9H-purin-9-yl)methoxy)ethoxy)methyl Acetate


  • Catalogue No.:PAI 01 002422

  • CAS :

    NA

  • Molecular Formula : C19H25N5O6

  • Molecular Weight : 419.44