3-(Diphenylphosphanyl)phenol CAS 32341-34-7

Purity 97%+In StockPharmaceutical Standards
CAS No.32341-34-7
Molecular FormulaC18H15OP
Molecular Weight278.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(Diphenylphosphanyl)phenol CAS 32341-34-7 chemical structure

Description

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.

3-(Diphenylphosphanyl)phenol (CAS 32341-34-7) is a high-purity analytical reference standard with the molecular formula C18H15OP and a molecular weight of 278.28 g/mol.

Based on its molecular formula C18H15OP, 3-(Diphenylphosphanyl)phenol contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 278.28 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).

As a certified reference material (CRM), 3-(Diphenylphosphanyl)phenol 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

Molecular FormulaC18H15OP
Molecular Weight278.28 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966

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