5-(Phenylamino)-1,3,4-thiadiazole-2-sulfonamide CAS 67341-56-4

Description

Compared with other compounds in its class, the molecular weight of 256.30 g/mol gives 5-(Phenylamino)-1,3,4-thiadiazole-2-sulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-(Phenylamino)-1,3,4-thiadiazole-2-sulfonamide (CAS 67341-56-4), molecular formula C8H8N4O2S2 and molecular weight 256.30 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5-(Phenylamino)-1,3,4-thiadiazole-2-sulfonamide (C8H8N4O2S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone 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 256.30 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

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