7-chloronaphthalene-1-sulfonyl chloride CAS 102153-62-8

Description

Compared with other compounds in its class, the molecular weight of 261.12 g/mol gives 7-chloronaphthalene-1-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

7-chloronaphthalene-1-sulfonyl chloride (CAS 102153-62-8) is a high-purity analytical reference standard with the molecular formula C10H6Cl2O2S and a molecular weight of 261.12 g/mol.

Structurally, 7-chloronaphthalene-1-sulfonyl chloride (C10H6Cl2O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. 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 261.12 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), 7-chloronaphthalene-1-sulfonyl chloride 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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