N-(1,3,5-Trimethyl-1H-pyrazol-4-yl)methanesulfonamide CAS 53483-73-1

Description

Compared with other compounds in its class, the molecular weight of 203.26 g/mol gives N-(1,3,5-Trimethyl-1H-pyrazol-4-yl)methanesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

N-(1,3,5-Trimethyl-1H-pyrazol-4-yl)methanesulfonamide (CAS 53483-73-1) is a high-purity analytical reference standard with the molecular formula C7H13N3O2S and a molecular weight of 203.26 g/mol.

Structurally, N-(1,3,5-Trimethyl-1H-pyrazol-4-yl)methanesulfonamide (C7H13N3O2S) 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 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 203.26 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

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