Impurity Reference Standard - Products

Ribavirin

CAT No: CL-RBV-01 CAS No: 36791-04-5 Mol Wt: 244.2 Mol F: C8H12N4O5 Inv Status: Custom Synthesis

Chemical Name: 1-Beta-D-Ribofuranosyl-1H-1,2,4-triazole-3-carboxamide

Ribavirin EP Impurity A

CAT No: CL-RBV-02 CAS No: 39925-19-4 Mol Wt: 245.2 Mol F: C8H11N3O6 Inv Status: Custom Synthesis

Chemical Name: 1-Beta-D-ribofuranosyl-1H-1,2,4-triazole-3-carboxylic acid

Ribavirin EP Impurity B

CAT No: CL-RBV-03 CAS No: 57198-02-4 Mol Wt: 244.2 Mol F: C8H12N4O5 Inv Status: Custom Synthesis

Chemical Name: 1-Alpha-D-ribofuranosyl-1H-1,2,4-triazole-3-carboxamide (anomer)

Ribavirin EP Impurity C

CAT No: CL-RBV-04 CAS No: 4928-87-4 Mol Wt: 113.1 Mol F: C3H3N3O2 Inv Status: Custom Synthesis

Chemical Name: 1H-1,2,4-triazole-3-carboxylic acid

Ribavirin EP Impurity D

CAT No: CL-RBV-05 CAS No: [3641-08-5] Mol Wt: 112.1 Mol F: C3H4N4O Inv Status: Custom Synthesis

Chemical Name: 1H-1,2,4-triazole-3-carboxamide

Ribavirin EP Impurity F

CAT No: CL-RBV-06 CAS No: 58151-87-4 Mol Wt: 286.2 Mol F: C10H14N4O6 Inv Status: Custom Synthesis

Chemical Name: 1-(5-O-acetyl-Beta-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide

Ribavirin EP Impurity G

CAT No: CL-RBV-07 CAS No: 39030-43-8 Mol Wt: 244.2 Mol F: C8H12N4O5 Inv Status: Custom Synthesis

Chemical Name: 1-Beta-D-ribofuranosyl-1H-1,2,4-triazole-5-carboxamide

Alpha-Ribofuranose Tetraacetate

CAT No: CL-RBV-08 CAS No: 50730-26-2 Mol Wt: 318.3 Mol F: C13H18O9 Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5R)-5-(acetoxymethyl)tetrahydrofuran-2,3,4-triyl triacetate

D-Ribofuranose 1,2,3,5-Tetraacetate

CAT No: CL-RBV-09 CAS No: 13035-61-5 Mol Wt: 318.3 Mol F: C13H18O9 Inv Status: Custom Synthesis

Chemical Name: (2S,3R,4R,5R)-5-(acetoxymethyl)tetrahydrofuran-2,3,4-triyl triacetate