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Pharmacopeial Impurities (EP / USP / BP)

Ribavirin EP Impurity D

Reference StandardAvailable on request

Ribavirin EP Impurity D (CAS 3641-08-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Ribavirin EP Impurity D chemical structure
CAS number3641-08-5
FormulaC3H4N4O
Molar mass112.09 g/mol
Physical formSolid
HS code38229090
InChIKeyZEWJFUNFEABPGL-UHFFFAOYSA-N
IUPAC name1H-1,2,4-triazole-5-carboxamide

About Ribavirin EP Impurity D

Ribavirin EP Impurity D is supplied by Zemixal as a characterised reference material for Ribavirin analysis. Key data (Reference Standard): CAS 3641-08-5, formula C3H4N4O and molar mass 112.09 g/mol. It is handled as a solid.

Where it is used

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

Safe handling

Hazard communication follows GHS (Warning: H302, H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Ribavirin

See every impurity, metabolite and related compound we list for this API.

Ribavirin standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Ribavirin EP Impurity D
Product nameRibavirin EP Impurity D
Catalogue numberZX-026696
CAS number3641-08-5
IUPAC name1H-1,2,4-triazole-5-carboxamide
Molecular formulaC3H4N4O
Molar mass112.09 g/mol
Exact mass112.0385
GradeReference Standard
Physical formSolid
XLogP3-0.8
H-bond donors / acceptors2 / 3
Topological polar surface area84.7 Ų
HS code38229090
InChIKeyZEWJFUNFEABPGL-UHFFFAOYSA-N
SMILESC1=NNC(=N1)C(=O)N
PubChem CID65125
SynonymsRibavirin - Impurity D, 1H-1,2,4-Triazole-3-carboxamide, 1,2,4-Triazole-3-carboxamide, 2H-1,2,4-triazole-3-carboxamide, 4h-1,2,4-triazole-3-carboxamide, 1,2,4-Triazole-3-formamide, 1,2,4-triazole- 3-carboxamide, ICN 1253, N-Des-1-b-D-ribofuranosyl Ribavirin, N-Des-1-beta-D-ribofuranosyl Ribavirin, 1, 2, 4-triazole-3-carboxamide, 1H-[1,2,4]triazole-3-carboxylic acid amide

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Ribavirin EP Impurity D
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Ribavirin EP Impurity D

Which CAS number identifies Ribavirin EP Impurity D?
Ribavirin EP Impurity D is registered under CAS 3641-08-5. You may also see it listed as Ribavirin - Impurity D, 1H-1,2,4-Triazole-3-carboxamide, 1,2,4-Triazole-3-carboxamide. Our catalogue number for this item is ZX-026696.
What are the formula and molar mass of Ribavirin EP Impurity D?
For Ribavirin EP Impurity D, its formula is C3H4N4O and its molar mass is 112.09 g/mol. The systematic (IUPAC) name is 1H-1,2,4-triazole-5-carboxamide. InChIKey ZEWJFUNFEABPGL-UHFFFAOYSA-N lets you match it in any structure database.
How is Ribavirin EP Impurity D used in pharmaceutical QC?
Ribavirin EP Impurity D is a characterised reference material linked to Ribavirin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Ribavirin EP Impurity D?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Ribavirin EP Impurity D?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Ribavirin EP Impurity D to my country?
Yes. Because Ribavirin EP Impurity D is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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