n-Ethyl-1,3-dimethyl-1h-pyrazole-4-sulfonamide CAS 1005913-00-7

Description

Compared with other compounds in its class, the molecular weight of 203.26 g/mol gives n-Ethyl-1,3-dimethyl-1h-pyrazole-4-sulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

n-Ethyl-1,3-dimethyl-1h-pyrazole-4-sulfonamide (CAS 1005913-00-7), molecular formula C7H13N3O2S and molecular weight 203.26 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, n-Ethyl-1,3-dimethyl-1h-pyrazole-4-sulfonamide (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.

As a certified reference material (CRM), n-Ethyl-1,3-dimethyl-1h-pyrazole-4-sulfonamide 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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