O-Desmethylpimobendan

Name: O-Desmethylpimobendan
Brand: Vaqora Chemicals
SKU: VQ-041485

About O-Desmethylpimobendan

Listed under CAS 108381-22-2, O-Desmethylpimobendan is a metabolite or degradation product of Pimobendan available from Vaqora Chemicals. With the molecular formula C18H16N4O2, it has a molar mass of 320.3 g/mol. Its systematic (IUPAC) name is 3-[2-(4-hydroxyphenyl)-3H-benzimidazol-5-yl]-4-methyl-4,5-dihydro-1H-pyridazin-6-one. It is also known as O-Demethyl pimobendan or UD-CG 212.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

Analytical teams use this compound to identify metabolites and degradants of Pimobendan, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Pimobendan

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

Pimobendan impurities

Specifications & identifiers

Chemical identifiers
Product name	O-Desmethylpimobendan
Catalogue No.	VQ-041485
CAS Number	108381-22-2
IUPAC name	3-[2-(4-hydroxyphenyl)-3H-benzimidazol-5-yl]-4-methyl-4,5-dihydro-1H-pyridazin-6-one
Molecular formula	C₁₈H₁₆N₄O₂
Molecular weight	320.3 g/mol
Exact mass	320.1273
Grade	Reference Standard
HSN code	38229090
InChIKey	QOAXSEARPHDXFC-UHFFFAOYSA-N
SMILES	CC1CC(=O)NN=C1C2=CC3=C(C=C2)N=C(N3)C4=CC=C(C=C4)O
PubChem CID	122345

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	3 / 4
TPSA	90.4 Å²
Synonyms	O-Demethyl pimobendan, UD-CG 212, O-Desmethyl-Pimobendan (UD-CG 212), 3(2H)-Pyridazinone, 4,5-dihydro-6-(2-(4-hydroxyphenyl)-1H-benzimidazol-6-yl)-5-methyl-, 4,5-Dihydro-6-(2-(4-hydroxyphenyl)-1H-benzimidazol-6-yl)-5-methyl-3(2H)-pyridazinone, UD-CG-212, 2-(4-hydroxyphenyl)-5-(5-methyl-3-oxo-4,5-dihydro-2h-6-pyridazinyl)benzimidazole, 4,5-dihydro-6-[2-(4-hydroxyphenyl)-1h-benzimidazole-5-yl]-5-methyl-3(2h)-pyrid azinone, 6-(2-(4-hydroxyphenyl)-1H-benzo[d]imidazol-6-yl)-5-methyl-4,5-dihydropyridazin-3(2H)-one

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 O-Desmethylpimobendan?

The CAS Registry Number of O-Desmethylpimobendan is 108381-22-2. It is also known as O-Demethyl pimobendan, UD-CG 212, O-Desmethyl-Pimobendan (UD-CG 212).

What is the molecular formula and molecular weight of O-Desmethylpimobendan?

O-Desmethylpimobendan has the molecular formula C18H16N4O2 and a molecular weight of 320.3 g/mol. Its IUPAC name is 3-[2-(4-hydroxyphenyl)-3H-benzimidazol-5-yl]-4-methyl-4,5-dihydro-1H-pyridazin-6-one.

What is O-Desmethylpimobendan used for?

O-Desmethylpimobendan is supplied as a characterised reference material related to Pimobendan. 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 O-Desmethylpimobendan can I order?

We supply O-Desmethylpimobendan 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 O-Desmethylpimobendan?

Yes. Every lot of O-Desmethylpimobendan 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 O-Desmethylpimobendan be shipped internationally?

Yes. We export O-Desmethylpimobendan worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.