1-(4H-chromeno[4,3-d]thiazol-2-yl)-4-(4-methoxyphenyl)-1H-pyrazol-5-amine CAS 955962-19-3

Description

Compared with other compounds in its class, the molecular weight of 376.43 g/mol gives 1-(4H-chromeno[4,3-d]thiazol-2-yl)-4-(4-methoxyphenyl)-1H-pyrazol-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(4H-chromeno[4,3-d]thiazol-2-yl)-4-(4-methoxyphenyl)-1H-pyrazol-5-amine (CAS 955962-19-3), molecular formula C20H16N4O2S and molecular weight 376.43 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1-(4H-chromeno[4,3-d]thiazol-2-yl)-4-(4-methoxyphenyl)-1H-pyrazol-5-amine (C20H16N4O2S) 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 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 376.43 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

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