Ribavirin-impurities | Pharmaffiliates

ribavirin and its Impurities

A guanosine (ribonucleic) analog, Ribavirin is an anti-viral drug used for the treatment of RSV infection, hepatitis C, and viral hemorrhagic fever.Reference standards of Ribavirin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 35 results for ribavirin Impurities
PA 18 10000

Ribavirin - API Standards

Ribavirin


  • Catalogue No.:PA 18 10000

  • CAS :

    36791-04-5

  • Molecular Formula : C8H12N4O5

  • Molecular Weight : 244.20

PA 18 10020

Ribavirin - Impurity B

1-α-D-Ribofuranosyl-1H-1,2,4-triazole-3-carboxamide


  • Catalogue No.:PA 18 10020

  • CAS :

    57198-02-4

  • Molecular Formula : C8H12N4O5

  • Molecular Weight : 244.20

PA 18 10030

Ribavirin - Impurity C

1,2,4-Triazole-3-carboxylic Acid


  • Catalogue No.:PA 18 10030

  • CAS :

    4928-87-4

  • Molecular Formula : C3H3N3O2

  • Molecular Weight : 113.07

PA 18 10040

Ribavirin - Impurity D

1H-1,2,4-Triazole-3-carboxamide


  • Catalogue No.:PA 18 10040

  • CAS :

    3641-08-5

  • Molecular Formula : C3H4N4O

  • Molecular Weight : 112.09

PA 18 10060

Ribavirin - Impurity F

Acetic acid 5-(3-carbamoyl-pyrazol-1-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethyl ester


  • Catalogue No.:PA 18 10060

  • CAS :

    58151-87-4

  • Molecular Formula : C10H14N4O6

  • Molecular Weight : 286.24

PA 18 10070

Ribavirin - Impurity G

Iso Ribavirin


  • Catalogue No.:PA 18 10070

  • CAS :

    39030-43-8

  • Molecular Formula : C8H12N4O5

  • Molecular Weight : 244.20

PA 18 10510

β-D-Ribofuranose 1,2,3,5-tetraacetate

β-D-Ribofuranose 1,2,3,5-tetraacetate


  • Catalogue No.:PA 18 10510

  • CAS :

    13035-61-5

  • Molecular Formula : C13H18O9

  • Molecular Weight : 318.28

PA STI 056530

Levovirin -13C5

Levovirin -13C5


  • Catalogue No.:PA STI 056530

  • CAS :

    NA

  • Molecular Formula : C313C5H12N4O5

  • Molecular Weight : 249.17

PA STI 077940

Ribavirin-13C5

Ribavirin-13C5


  • Catalogue No.:PA STI 077940

  • CAS :

    NA

  • Molecular Formula : C313C5H12N4O5

  • Molecular Weight : 249.17

PA STI 077950

Ribavirin-13C2

Ribavirin-13C2


  • Catalogue No.:PA STI 077950

  • CAS :

    1279035-36-7

  • Molecular Formula : C613C2H12N4O5

  • Molecular Weight : 246.19

PA STI 087170

Viramidine-13C5 Hydrochloride

Viramidine-13C5 Hydrochloride


  • Catalogue No.:PA STI 087170

  • CAS :

    NA

  • Molecular Formula : C313C5H14ClN5O4

  • Molecular Weight : 284.64

PA 18 10530

5-Amino-4H-1,2,4-triazole-3-carboxylic Acid

5-Amino-4H-1,2,4-triazole-3-carboxylic Acid


  • Catalogue No.:PA 18 10530

  • CAS :

    3641-13-2

  • Molecular Formula : C3H4N4O2

  • Molecular Weight : 128.09

PA 18 10540

Methyl 5-amino-1H-1,2,4-triazole-3-carboxylate

Methyl 5-amino-1H-1,2,4-triazole-3-carboxylate


  • Catalogue No.:PA 18 10540

  • CAS :

    3641-14-3

  • Molecular Formula : C4H6N4O2

  • Molecular Weight : 142.12

PA 18 10550

Methyl 5-methoxy-1H-1,2,4-triazole-3-carboxylate

Methyl 5-methoxy-1H-1,2,4-triazole-3-carboxylate


  • Catalogue No.:PA 18 10550

  • CAS :

    1319257-87-8

  • Molecular Formula : C5H7N3O3

  • Molecular Weight : 157.13

PA 18 10560

1-O-Acetyl-2,3,5-tri-O-benzoyl-α,β-D-ribofuranose

1-O-Acetyl-2,3,5-tri-O-benzoyl-α,β-D-ribofuranose


  • Catalogue No.:PA 18 10560

  • CAS :

    14215-97-5

  • Molecular Formula : C28H24O9

  • Molecular Weight : 504.48

PA 18 10570

1-O-Acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose

1-O-Acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose


  • Catalogue No.:PA 18 10570

  • CAS :

    6974-32-9

  • Molecular Formula : C28H24O9

  • Molecular Weight : 504.48

PA 18 10580

1-O-Acetyl-2,3,5-tri-O-benzyl-D-ribofuranose

1-O-Acetyl-2,3,5-tri-O-benzyl-D-ribofuranose


  • Catalogue No.:PA 18 10580

  • CAS :

    58381-23-0

  • Molecular Formula : C28H30O6

  • Molecular Weight : 462.53

PA 18 10590

1-O-Acetyl 2,3,5-Tri-O-p-chlorobenzoyl-β-D-ribofuranoside

1-O-Acetyl 2,3,5-Tri-O-p-chlorobenzoyl-β-D-ribofuranoside


  • Catalogue No.:PA 18 10590

  • CAS :

    144084-01-5

  • Molecular Formula : C28H21Cl3O9

  • Molecular Weight : 607.82

Ribavirin (IPRS/151/12)-from IPC


  • Catalogue No.:PA IPIPRS 151 12

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

Ribavirin (Y0000377)

Ribavirin (Y0000377)


  • Catalogue No.:PA EPY0000377

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Ribavirin (1602706)

Ribavirin (1602706)


  • Catalogue No.:PA USP1602706

  • CAS :

    36791-04-5

  • Molecular Formula : NA

  • Molecular Weight : NA

Ribavirin Related Compound A (1-beta-D-ribofuranosyl-1H-1,2,4-triazole-3-carboxylic acid) (1602717)

Ribavirin Related Compound A (1-beta-D-ribofuranosyl-1H-1,2,4-triazole-3-carboxylic acid) (1602717)


  • Catalogue No.:PA USP1602717

  • CAS :

    39925-19-4

  • Molecular Formula : NA

  • Molecular Weight : NA

Ribavirin Related Compound D (1H-1,2,4-triazole-3-carboxamide) (1602740)

Ribavirin Related Compound D (1H-1,2,4-triazole-3-carboxamide) (1602740)


  • Catalogue No.:PA USP1602740

  • CAS :

    3641-08-5

  • Molecular Formula : NA

  • Molecular Weight : NA

ribavirin impurity standard (592RB)

ribavirin impurity standard (592RB)


  • Catalogue No.:PA BP592RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

ribavirin (593RB)

ribavirin (593RB)


  • Catalogue No.:PA BP593RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 18 10010

Ribavirin - Impurity A

Ribavirin Carboxylic Acid


  • Catalogue No.:PA 18 10010

  • CAS :

    39925-19-4

  • Molecular Formula : C8H11N3O6

  • Molecular Weight : 245.19

PA 18 10600

Viramidine Hydrochloride

Viramidine Hydrochloride


  • Catalogue No.:PA 18 10600

  • CAS :

    40372-00-7

  • Molecular Formula : C8H14ClN5O4

  • Molecular Weight : 279.68

PA 18 10610

Ribavirin 5’-Monophosphate Dilithium Salt (90%)

Ribavirin 5’-Monophosphate Dilithium Salt (90%)


  • Catalogue No.:PA 18 10610

  • CAS :

    66983-94-6

  • Molecular Formula : C8H11Li2N4O8P

  • Molecular Weight : 336.05

PA 18 10620

1-β-D-Ribofuranosyl-1,2,4-triazole-3-carboxylic Acid Methyl Ester (Ribavirin Impurity H)

1-β-D-Ribofuranosyl-1,2,4-triazole-3-carboxylic Acid Methyl Ester (Ribavirin Impurity H)


  • Catalogue No.:PA 18 10620

  • CAS :

    38934-69-9

  • Molecular Formula : C9H13N3O6

  • Molecular Weight : 259.22

PA 18 0101000

Alpha-Ribofuranose Tetraacetate

Alpha-Ribofuranose Tetraacetate


  • Catalogue No.:PA 18 0101000

  • CAS :

    50730-26-2

  • Molecular Formula : C13H18O9

  • Molecular Weight : 318.28

PA 18 0101001

5’-O-Benzoyl Ribavirin

1-(5-O-Benzoyl- -D-ribofuranosyl)-1H-1,2,4- triazole-3-carboxamide (5'-O-Benzoylribavirin)


  • Catalogue No.:PA 18 0101001

  • CAS :

    58151-90-9

  • Molecular Formula : C15H16N4O6

  • Molecular Weight : 348.32

Ribavirin (IPRS/53/20) - from IPC

Ribavirin (IPRS/53/20) - from IPC


  • Catalogue No.:PA IPRS 53 20

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 18 0101004

5-Amino-4H-1,2,4-triazole-3-carboxylic Acid

5-Amino-4H-1,2,4-triazole-3-carboxylic Acid


  • Catalogue No.:PA 18 0101004

  • CAS :

    3641-13-2

  • Molecular Formula : C3H4N4O2

  • Molecular Weight : 128.09

PA 18 0101003

Methyl 5-amino-1H-1,2,4-triazole-3-carboxylate

Methyl 5-amino-1H-1,2,4-triazole-3-carboxylate


  • Catalogue No.:PA 18 0101003

  • CAS :

    3641-14-3

  • Molecular Formula : C4H6N4O2

  • Molecular Weight : 142.12

PA 18 0101002

Methyl 5-methoxy-1H-1,2,4-triazole-3-carboxylate

Methyl 5-methoxy-1H-1,2,4-triazole-3-carboxylate


  • Catalogue No.:PA 18 0101002

  • CAS :

    1319257-87-8

  • Molecular Formula : C5H7N3O3

  • Molecular Weight : 157.13