(4-Oxobut-2-en-1-yl)triphenylphosphonium bromide CAS 31675-30-6

Purity 97%+In StockPharmaceutical Standards
CAS No.31675-30-6
Molecular FormulaC22H20OP
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4-Oxobut-2-en-1-yl)triphenylphosphonium bromide CAS 31675-30-6 chemical structure

Description

The occurrence of (4-Oxobut-2-en-1-yl)triphenylphosphonium bromide is closely related to a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(4-Oxobut-2-en-1-yl)triphenylphosphonium bromide (CAS 31675-30-6) is a high-purity analytical reference standard with the molecular formula C22H20OPBr and a molecular weight of 411.28 g/mol.

Based on its molecular formula C22H20OPBr, (4-Oxobut-2-en-1-yl)triphenylphosphonium bromide contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 411.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 (4-Oxobut-2-en-1-yl)triphenylphosphonium bromide 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 FormulaC22H20OP Br
Molecular Weight411.28 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966
Halogen ContentBr-containing

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