(1R,2R)-Bis[(2-methoxyphenyl)phenylphosphino]ethane Diborane CAS 131830-91-6

Purity 97%+In StockPharmaceutical Standards
CAS No.131830-91-6
Molecular FormulaC28H28O2P2
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(1R,2R)-Bis[(2-methoxyphenyl)phenylphosphino]ethane Diborane CAS 131830-91-6 chemical structure

Description

The occurrence of (1R,2R)-Bis[(2-methoxyphenyl)phenylphosphino]ethane Diborane is closely related to a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(1R,2R)-Bis[(2-methoxyphenyl)phenylphosphino]ethane Diborane (CAS 131830-91-6) is a high-purity analytical reference standard with the molecular formula C28H28O2P2B and a molecular weight of 469.29 g/mol.

Structurally, (1R,2R)-Bis[(2-methoxyphenyl)phenylphosphino]ethane Diborane (C28H28O2P2B) contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 469.29 g/mol, it falls into the moderately-high-molecular-weight range. 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.

CATO manufactures (1R,2R)-Bis[(2-methoxyphenyl)phenylphosphino]ethane Diborane 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 FormulaC28H28O2P2 2*B
Molecular Weight469.29 g/mol
AppearancePale yellow to yellow crystalline powder
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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994

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