N-phenyl-3-(phenylsulfonyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine CAS 904575-84-4

Description

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.

N-phenyl-3-(phenylsulfonyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine (CAS 904575-84-4), molecular formula C21H15N5O2S and molecular weight 401.44 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, N-phenyl-3-(phenylsulfonyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine (C21H15N5O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 401.44 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

As a certified reference material (CRM), N-phenyl-3-(phenylsulfonyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine 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