3-Nitro-4-phenyl-1,2,5-oxadiazole CAS 76016-68-7

Description

The occurrence of 3-Nitro-4-phenyl-1,2,5-oxadiazole is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3-Nitro-4-phenyl-1,2,5-oxadiazole (CAS 76016-68-7), molecular formula C8H5N3O3 and molecular weight 191.14 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3-Nitro-4-phenyl-1,2,5-oxadiazole (C8H5N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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 191.14 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), 3-Nitro-4-phenyl-1,2,5-oxadiazole 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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