Benzenesulfonic acid, 4-methyl-, ethenyl ester CAS 83813-73-4

Description

The occurrence of Benzenesulfonic acid, 4-methyl-, ethenyl ester is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Benzenesulfonic acid, 4-methyl-, ethenyl ester (CAS 83813-73-4), molecular formula C9H10O3S and molecular weight 198.24 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Benzenesulfonic acid, 4-methyl-, ethenyl ester (C9H10O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 198.24 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.

As a certified reference material (CRM), Benzenesulfonic acid, 4-methyl-, ethenyl ester 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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