Ribavirin EP Impurity B

Name: Ribavirin EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-028847

About Ribavirin EP Impurity B

Vaqora Chemicals supplies Ribavirin EP Impurity B, a pharmacopeial impurity of Ribavirin registered under CAS number 57198-02-4. With the molecular formula C8H12N4O5, it has a molar mass of 244.2 g/mol. The IUPAC name is 1-[(2S,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,2,4-triazole-3-carboxamide. It is also known as Ribavirin EP Impurity B (Free Base) or Ribavirin - Impurity B.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Ribavirin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Ribavirin EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Ribavirin

View every impurity, metabolite and intermediate we list for Ribavirin.

Ribavirin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ribavirin EP Impurity B
Catalogue No.	VQ-028847
CAS Number	57198-02-4
IUPAC name	1-[(2S,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,2,4-triazole-3-carboxamide
Molecular formula	C₈H₁₂N₄O₅
Molecular weight	244.2 g/mol
Exact mass	244.0808
Grade	Reference Standard
HSN code	38229090
InChIKey	IWUCXVSUMQZMFG-DJSMDIAISA-N
SMILES	C1=NC(=NN1[C@@H]2[C@@H]([C@@H]([C@H](O2)CO)O)O)C(=O)N
PubChem CID	11436477

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.8
H-bond donors / acceptors	4 / 7
TPSA	144 Å²
Synonyms	Ribavirin EP Impurity B (Free Base), Ribavirin - Impurity B, alpha-Ribavirin, alpha-Ribavirin (Ribavirin Impurity B), 1-alpha-D-Ribofuranosyl-1H-1,2,4-triazole-3-carboxamide, a-Ribavirin (impurity B), 1H-1,2,4-Triazole-3-carboxamide, 1-alpha-D-ribofuranosyl-, 1-.alpha.-D-ribofuranosyl-1H-1,2,4-triazole-3-carboxamide

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ribavirin EP Impurity B?

The CAS Registry Number of Ribavirin EP Impurity B is 57198-02-4. It is also known as Ribavirin EP Impurity B (Free Base), Ribavirin - Impurity B, alpha-Ribavirin.

What is the molecular formula and molecular weight of Ribavirin EP Impurity B?

Ribavirin EP Impurity B has the molecular formula C8H12N4O5 and a molecular weight of 244.2 g/mol. Its IUPAC name is 1-[(2S,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,2,4-triazole-3-carboxamide.

What is Ribavirin EP Impurity B used for?

Ribavirin EP Impurity B is supplied as a characterised reference material related to Ribavirin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Ribavirin EP Impurity B can I order?

We supply Ribavirin EP Impurity B in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ribavirin EP Impurity B?

Yes. Every lot of Ribavirin EP Impurity B is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ribavirin EP Impurity B be shipped internationally?

Yes. We export Ribavirin EP Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.