3-(7-bromo-1,3-dioxaindan-5-yl)-4,5-dihydro-1,2,4-oxadiaZol-5-one CAS 1178773-51-7

Description

3-(7-bromo-1,3-dioxaindan-5-yl)-4,5-dihydro-1,2,4-oxadiaZol-5-one (CAS 1178773-51-7), molecular formula C9H5BrN2O4 and molecular weight 285.05 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3-(7-bromo-1,3-dioxaindan-5-yl)-4,5-dihydro-1,2,4-oxadiaZol-5-one (C9H5BrN2O4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 285.05 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.

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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