5-Thioxo-1,5-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-7-sulfonic acid CAS 163708-46-1

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Thioxo-1,5-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-7-sulfonic acid.

CATO supplies 5-Thioxo-1,5-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-7-sulfonic acid (CAS 163708-46-1), a certified reference material (molecular formula C5H4N4O3S2, MW 232.24 g/mol) for analytical method development and quality control.

Structurally, 5-Thioxo-1,5-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-7-sulfonic acid (C5H4N4O3S2) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 232.24 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.

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