5-Bromo-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonyl chloride CAS 343779-10-2

Description

Compared with other compounds in its class, the molecular weight of 312.53 g/mol gives 5-Bromo-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Bromo-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonyl chloride (CAS 343779-10-2), molecular formula C7H3BrClNO4S and molecular weight 312.53 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5-Bromo-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonyl chloride (C7H3BrClNO4S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 312.53 g/mol, it falls into the moderately-high-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.

CATO manufactures 5-Bromo-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonyl chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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