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Pharmacopeial Impurities (EP / USP / BP)

Riociguat EP Impurity B

Reference StandardAvailable on request

Riociguat EP Impurity B (CAS 3052969-92-0) supplier Zemixal: C20H20N8O2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Riociguat EP Impurity B chemical structure
CAS number3052969-92-0
FormulaC20H20N8O2
Molar mass404.4 g/mol
Physical formSolid
HS code38229090
InChIKeyOQVWZKRLCLVLIG-UHFFFAOYSA-N
IUPAC namemethyl N-[4,6-diamino-2-(1-benzylpyrazolo[5,4-b]pyridin-3-yl)pyrimidin-5-yl]-N-methylcarbamate

About Riociguat EP Impurity B

Riociguat EP Impurity B belongs to the Riociguat reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 3052969-92-0, formula C20H20N8O2 and molar mass 404.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Riociguat

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

Riociguat 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 Riociguat EP Impurity B
Product nameRiociguat EP Impurity B
Catalogue numberZX-032208
CAS number3052969-92-0
IUPAC namemethyl N-[4,6-diamino-2-(1-benzylpyrazolo[5,4-b]pyridin-3-yl)pyrimidin-5-yl]-N-methylcarbamate
Molecular formulaC20H20N8O2
Molar mass404.4 g/mol
Exact mass404.1709
GradeReference Standard
Physical formSolid
XLogP31.5
H-bond donors / acceptors2 / 8
Topological polar surface area138 Ų
HS code38229090
InChIKeyOQVWZKRLCLVLIG-UHFFFAOYSA-N
SMILESCN(C1=C(N=C(N=C1N)C2=NN(C3=C2C=CC=N3)CC4=CC=CC=C4)N)C(=O)OC
PubChem CID171382109
SynonymsRiociguat - Impurity B, 2-Desfluoro-riociguat, Riociguat Impurity J

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Riociguat EP Impurity B
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 Riociguat EP Impurity B

Which CAS number identifies Riociguat EP Impurity B?
Riociguat EP Impurity B is registered under CAS 3052969-92-0. You may also see it listed as Riociguat - Impurity B, 2-Desfluoro-riociguat, Riociguat Impurity J. Our catalogue number for this item is ZX-032208.
What are the formula and molar mass of Riociguat EP Impurity B?
For Riociguat EP Impurity B, its formula is C20H20N8O2 and its molar mass is 404.4 g/mol. The systematic (IUPAC) name is methyl N-[4,6-diamino-2-(1-benzylpyrazolo[5,4-b]pyridin-3-yl)pyrimidin-5-yl]-N-methylcarbamate. InChIKey OQVWZKRLCLVLIG-UHFFFAOYSA-N lets you match it in any structure database.
How is Riociguat EP Impurity B used in pharmaceutical QC?
Riociguat EP Impurity B is a characterised reference material linked to Riociguat. 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 Riociguat EP Impurity B?
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 Riociguat EP Impurity B?
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 Riociguat EP Impurity B to my country?
Yes. Riociguat EP Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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