potassium 4-carboxy-1,2,5-thiadiazole-3-carboxylate hydrate CAS 462651-65-6

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including potassium 4-carboxy-1,2,5-thiadiazole-3-carboxylate hydrate.

potassium 4-carboxy-1,2,5-thiadiazole-3-carboxylate hydrate (CAS 462651-65-6), molecular formula C4HN2O4SKH2O and molecular weight 230.24 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, potassium 4-carboxy-1,2,5-thiadiazole-3-carboxylate hydrate (C4HN2O4SKH2O) contains a carbohydrate-derived structure, an amide group, a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 230.24 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.

As a certified reference material (CRM), potassium 4-carboxy-1,2,5-thiadiazole-3-carboxylate hydrate 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

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