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 36 results for ribavirin Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 18 10000

Ribavirin

Ribavirin

  • Catalogue No.:PA 18 10000

  • CAS :

    36791-04-5

  • Molecular Formula : C8H12N4O5

  • Molecular Weight : 244.20

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
PA 18 10070

Ribavirin - Impurity G

Iso Ribavirin

  • Catalogue No.:PA 18 10070

  • CAS :

    39030-43-8

  • Molecular Formula : C8H12N4O5

  • Molecular Weight : 244.20

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
PA STI 056530

Levovirin -13C5

Levovirin -13C5

  • Catalogue No.:PA STI 056530

  • CAS :

    NA

  • Molecular Formula : C313C5H12N4O5

  • Molecular Weight : 249.17

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Drug Reference Standards & Impurity Synthesis in India
PA STI 077940

Ribavirin-13C5

Ribavirin-13C5

  • Catalogue No.:PA STI 077940

  • CAS :

    NA

  • Molecular Formula : C313C5H12N4O5

  • Molecular Weight : 249.17

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Drug Reference Standards & Impurity Synthesis in India
PA STI 077950

Ribavirin-13C2

Ribavirin-13C2

  • Catalogue No.:PA STI 077950

  • CAS :

    1279035-36-7

  • Molecular Formula : C613C2H12N4O5

  • Molecular Weight : 246.19

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Drug Reference Standards & Impurity Synthesis in India
PA STI 087170

Viramidine-13C5 Hydrochloride

Viramidine-13C5 Hydrochloride

  • Catalogue No.:PA STI 087170

  • CAS :

    NA

  • Molecular Formula : C313C5H14ClN5O4

  • Molecular Weight : 284.64

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
PA IPIPRS 151 12

Ribavirin (IPRS/151/12)-from IPC

Ribavirin (IPRS/151/12)-from IPC

  • Catalogue No.:PA IPIPRS 151 12

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0000377

Ribavirin (Y0000377)

Ribavirin (Y0000377)

  • Catalogue No.:PA EPY0000377

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1602706

Ribavirin (1602706)

Ribavirin (1602706)

  • Catalogue No.:PA USP1602706

  • CAS :

    36791-04-5

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1602717

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

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Drug Reference Standards & Impurity Synthesis in India
PA USP1602740

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

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Drug Reference Standards & Impurity Synthesis in India
PA BP592RB

ribavirin impurity standard (592RB)

ribavirin impurity standard (592RB)

  • Catalogue No.:PA BP592RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA BP593RB

ribavirin (593RB)

ribavirin (593RB)

  • Catalogue No.:PA BP593RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
PA 18 10600

Viramidine Hydrochloride

Viramidine Hydrochloride

  • Catalogue No.:PA 18 10600

  • CAS :

    40372-00-7

  • Molecular Formula : C8H14ClN5O4

  • Molecular Weight : 279.68

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
PA IPRS 53 20

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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
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

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Drug Reference Standards & Impurity Synthesis in India
PA BSC 01018667

β-D-Ribofuranose 1,2,3,5-tetraacetate (BSC)

β-D-Ribofuranose 1,2,3,5-tetraacetate

  • Catalogue No.:PA BSC 01018667

  • CAS :

    13035-61-5

  • Molecular Formula : C13H18O9

  • Molecular Weight : 318.28

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Drug Reference Standards & Impurity Synthesis in India
PA 18 0101005

D-Ribofuranose

D-Ribofuranose

  • Catalogue No.:PA 18 0101005

  • CAS :

    613-83-2

  • Molecular Formula : C5H10O5

  • Molecular Weight : 150.13

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Drug Reference Standards & Impurity Synthesis in India
PA 18 0101006

(2R,3S,4R,5R)-2-(2-Acetamido-6-oxo-3,6-dihydro-9H-purin-9-yl)-5-(acetoxymethyl)tetrahydrofuran-3,4-diyl diacetate

(2R,3S,4R,5R)-2-(2-Acetamido-6-oxo-3,6-dihydro-9H-purin-9-yl)-5-(acetoxymethyl)tetrahydrofuran-3,4-diyl diacetate

  • Catalogue No.:PA 18 0101006

  • CAS :

    106023-30-7

  • Molecular Formula : C18H21N5O9

  • Molecular Weight : 451.39

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Drug Reference Standards & Impurity Synthesis in India
PA 18 0101007

9H-Purin-6-yl acetate

9H-Purin-6-yl acetate

  • Catalogue No.:PA 18 0101007

  • CAS :

    406680-61-3

  • Molecular Formula : C7H6N4O2

  • Molecular Weight : 178.15

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