2'-(Dicyclohexylphosphanyl)-2,6-dimethoxy-[1,1'-biphenyl]-3-sulfonic acid CAS 870447-91-9

Purity 97%+In StockPharmaceutical Standards
CAS No.870447-91-9
Molecular FormulaC26H35O5PS
Molecular Weight490.59 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2'-(Dicyclohexylphosphanyl)-2,6-dimethoxy-[1,1'-biphenyl]-3-sulfonic acid CAS 870447-91-9 chemical structure

Description

The occurrence of 2'-(Dicyclohexylphosphanyl)-2,6-dimethoxy-[1,1'-biphenyl]-3-sulfonic acid is closely related to a steroid core, a sulfone group, a phosphate ester group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2'-(Dicyclohexylphosphanyl)-2,6-dimethoxy-[1,1'-biphenyl]-3-sulfonic acid (CAS 870447-91-9), molecular formula C26H35O5PS and molecular weight 490.59 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, a sulfone group, a phosphate ester group, a hydroxyl group, an ether linkage, 2'-(Dicyclohexylphosphanyl)-2,6-dimethoxy-[1,1'-biphenyl]-3-sulfonic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 490.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), 2'-(Dicyclohexylphosphanyl)-2,6-dimethoxy-[1,1'-biphenyl]-3-sulfonic acid 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 FormulaC26H35O5PS
Molecular Weight490.59 g/mol
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Sulfur Atoms1

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