3,3',5,5'-Tetrabromo-[1,1'-biphenyl]-2,2'-diol CAS 21987-62-2

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,3',5,5'-Tetrabromo-[1,1'-biphenyl]-2,2'-diol.

3,3',5,5'-Tetrabromo-[1,1'-biphenyl]-2,2'-diol (CAS 21987-62-2) is a high-purity analytical reference standard with the molecular formula C12H6Br4O2 and a molecular weight of 501.79 g/mol.

Structurally, 3,3',5,5'-Tetrabromo-[1,1'-biphenyl]-2,2'-diol (C12H6Br4O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. 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 501.79 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.

As a certified reference material (CRM), 3,3',5,5'-Tetrabromo-[1,1'-biphenyl]-2,2'-diol 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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