7-Methyl-9-phenylpyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(3H)-one CAS 946323-96-2

Description

Structurally, 7-Methyl-9-phenylpyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(3H)-one (C16H11N3OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 293.34 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

7-Methyl-9-phenylpyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(3H)-one (CAS 946323-96-2) is a high-purity analytical reference standard with the molecular formula C16H11N3OS and a molecular weight of 293.34 g/mol.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 7-Methyl-9-phenylpyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(3H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Why CATO?

• ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
• 130,000+ catalog items in stock, COA supplied with every batch
• Worldwide shipping with full export documentation (HS code guidance available)
• Technical support: +86 18665070610 / Nicole.chen@cato-chem.com