Riociguat EP Impurity A

Name: Riociguat EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-023639

About Riociguat EP Impurity A

Listed under CAS 625115-52-8, Riociguat EP Impurity A is a pharmacopeial impurity of Riociguat available from Vaqora Chemicals. Formula C19H17FN8O2, molecular weight 408.4 g/mol. The IUPAC name is methyl N-[4,6-diamino-2-[1-[(2-fluorophenyl)methyl]pyrazolo[5,4-b]pyridin-3-yl]pyrimidin-5-yl]carbamate. Common synonyms include N-Desmethyl Riociguat and Desmethyl Riociguat.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

This Riociguat impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Riociguat EP Impurity A is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Riociguat

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

Riociguat impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Riociguat EP Impurity A
Catalogue No.	VQ-023639
CAS Number	625115-52-8
IUPAC name	methyl N-[4,6-diamino-2-[1-[(2-fluorophenyl)methyl]pyrazolo[5,4-b]pyridin-3-yl]pyrimidin-5-yl]carbamate
Molecular formula	C₁₉H₁₇FN₈O₂
Molecular weight	408.4 g/mol
Exact mass	408.1458
Grade	Reference Standard
HSN code	38229090
InChIKey	FTQHGWIXJSSWOY-UHFFFAOYSA-N
SMILES	COC(=O)NC1=C(N=C(N=C1N)C2=NN(C3=C2C=CC=N3)CC4=CC=CC=C4F)N
PubChem CID	11690019

Physical properties
Physical form	Solid
LogP (XLogP3)	1.4
H-bond donors / acceptors	3 / 9
TPSA	147 Å²
Synonyms	N-Desmethyl Riociguat, Desmethyl Riociguat, Riociguat - Impurity A, Riociguat Impurity H, N-Desmethyl-riociguat, CS-M2183

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 Riociguat EP Impurity A?

The CAS Registry Number of Riociguat EP Impurity A is 625115-52-8. It is also known as N-Desmethyl Riociguat, Desmethyl Riociguat, Riociguat - Impurity A.

What is the molecular formula and molecular weight of Riociguat EP Impurity A?

Riociguat EP Impurity A has the molecular formula C19H17FN8O2 and a molecular weight of 408.4 g/mol. Its IUPAC name is methyl N-[4,6-diamino-2-[1-[(2-fluorophenyl)methyl]pyrazolo[5,4-b]pyridin-3-yl]pyrimidin-5-yl]carbamate.

What is Riociguat EP Impurity A used for?

Riociguat EP Impurity A is supplied as a characterised reference material related to Riociguat. 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 Riociguat EP Impurity A can I order?

We supply Riociguat EP Impurity A 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 Riociguat EP Impurity A?

Yes. Every lot of Riociguat EP Impurity A 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 Riociguat EP Impurity A be shipped internationally?

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