(5-Bromo-2-hydroxyphenyl)(phenyl)methanone CAS 55082-33-2

Purity 97%+In StockPharmaceutical Standards
CAS No.55082-33-2
Molecular FormulaC13H9BrO2
Molecular Weight277.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(5-Bromo-2-hydroxyphenyl)(phenyl)methanone CAS 55082-33-2 chemical structure

Description

The occurrence of (5-Bromo-2-hydroxyphenyl)(phenyl)methanone is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(5-Bromo-2-hydroxyphenyl)(phenyl)methanone (CAS 55082-33-2), molecular formula C13H9BrO2 and molecular weight 277.11 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (5-Bromo-2-hydroxyphenyl)(phenyl)methanone (C13H9BrO2) 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 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 277.11 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.

CATO manufactures (5-Bromo-2-hydroxyphenyl)(phenyl)methanone 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

Molecular FormulaC13H9BrO2
Molecular Weight277.11 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1972
Halogen ContentBr-containing

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