4-Hydroxy-6-methoxy-1,5-naphthyridin-2(1H)-one CAS 959990-33-1

Description

Compared with other compounds in its class, the molecular weight of 192.17 g/mol gives 4-Hydroxy-6-methoxy-1,5-naphthyridin-2(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Hydroxy-6-methoxy-1,5-naphthyridin-2(1H)-one (CAS 959990-33-1), molecular formula C9H8N2O3 and molecular weight 192.17 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-Hydroxy-6-methoxy-1,5-naphthyridin-2(1H)-one (C9H8N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 192.17 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.

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.

As a certified reference material (CRM), 4-Hydroxy-6-methoxy-1,5-naphthyridin-2(1H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

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