Pimobendan EP Impurity B

Name: Pimobendan EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-023495

About Pimobendan EP Impurity B

Listed under CAS 74149-74-9, Pimobendan EP Impurity B is a pharmacopeial impurity of Pimobendan available from Vaqora Chemicals. Formula C19H20N4O3, molecular weight 352.4 g/mol. The IUPAC name is N-[2-amino-4-(4-methyl-6-oxo-4,5-dihydro-1H-pyridazin-3-yl)phenyl]-4-methoxybenzamide. Alternative names: Pimobendan - Impurity B and Pimobendan Related Compound B.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Pimobendan 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, Pimobendan EP Impurity B 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 Pimobendan

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

Pimobendan impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Pimobendan EP Impurity B
Catalogue No.	VQ-023495
CAS Number	74149-74-9
IUPAC name	N-[2-amino-4-(4-methyl-6-oxo-4,5-dihydro-1H-pyridazin-3-yl)phenyl]-4-methoxybenzamide
Molecular formula	C₁₉H₂₀N₄O₃
Molecular weight	352.4 g/mol
Exact mass	352.1535
Grade	Reference Standard
HSN code	38229090
InChIKey	WJMJXFIZZSXKST-UHFFFAOYSA-N
SMILES	CC1CC(=O)NN=C1C2=CC(=C(C=C2)NC(=O)C3=CC=C(C=C3)OC)N
PubChem CID	13850881

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	3 / 5
TPSA	106 Å²
Synonyms	Pimobendan - Impurity B, N-(2-Amino-4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl)-4-methoxy-benzamide, N-[2-Amino-4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]-4-methoxy-benzamide, N-(2-Amino-4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenyl)-4-methoxybenzamide, Pimobendan Related Compound B, 5-Methyl-6-[3-amino-4-(4-methoxy-benzoylamino)-phenyl]-4,5-dihydro-2H-pyridazine-3-one, 5-Methyl-6-[3-amino-4-(4-methoxy-benzoylamino)phenyl]-3-oxo-4,5-dihydro-2H-pyridazine

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 Pimobendan EP Impurity B?

The CAS Registry Number of Pimobendan EP Impurity B is 74149-74-9. It is also known as Pimobendan - Impurity B, N-(2-Amino-4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl)-4-methoxy-benzamide, N-[2-Amino-4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]-4-methoxy-benzamide.

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

Pimobendan EP Impurity B has the molecular formula C19H20N4O3 and a molecular weight of 352.4 g/mol. Its IUPAC name is N-[2-amino-4-(4-methyl-6-oxo-4,5-dihydro-1H-pyridazin-3-yl)phenyl]-4-methoxybenzamide.

What is Pimobendan EP Impurity B used for?

Pimobendan EP Impurity B 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 Pimobendan EP Impurity B can I order?

We supply Pimobendan 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 Pimobendan EP Impurity B?

Yes. Every lot of Pimobendan 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 Pimobendan EP Impurity B be shipped internationally?

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