Di-tert-butyl((2R,3R)-3-(tert-butyl)-4-isopropoxy-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl)phosphine oxide CAS 2545293-93-2

Purity 97%+In StockPharmaceutical Standards
CAS No.2545293-93-2
Molecular FormulaC22H38O3P2
Molecular Weight412.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Di-tert-butyl((2R,3R)-3-(tert-butyl)-4-isopropoxy-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl)phosphine oxide CAS 2545293-93-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 412.48 g/mol gives Di-tert-butyl((2R,3R)-3-(tert-butyl)-4-isopropoxy-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl)phosphine oxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Di-tert-butyl((2R,3R)-3-(tert-butyl)-4-isopropoxy-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl)phosphine oxide (CAS 2545293-93-2) is a high-purity analytical reference standard with the molecular formula C22H38O3P2 and a molecular weight of 412.48 g/mol.

Structurally, Di-tert-butyl((2R,3R)-3-(tert-butyl)-4-isopropoxy-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl)phosphine oxide (C22H38O3P2) contains a steroid core, a phosphonate group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 412.48 g/mol, it falls into the moderately-high-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.

As a certified reference material (CRM), Di-tert-butyl((2R,3R)-3-(tert-butyl)-4-isopropoxy-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl)phosphine oxide 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 FormulaC22H38O3P2
Molecular Weight412.48 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2001

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