(Z)-[2-{(3R,4R,5R)-3,5-Bis(tert-butyldimethylsilanyloxy)-2-methylene-4-(3-(tert-butyldiphenylsilanyloxy)propoxy)cyclohexylidene}ethyl]diphenylphosphine oxide CAS 1254276-84-0

Purity 97%+In StockPharmaceutical Standards
CAS No.1254276-84-0
Molecular FormulaC52H75O5PSi3
Molecular Weight895.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(Z)-[2-{(3R,4R,5R)-3,5-Bis(tert-butyldimethylsilanyloxy)-2-methylene-4-(3-(tert-butyldiphenylsilanyloxy)propoxy)cyclohexylidene}ethyl]diphenylphosphine oxide CAS 1254276-84-0 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (Z)-[2-{(3R,4R,5R)-3,5-Bis(tert-butyldimethylsilanyloxy)-2-methylene-4-(3-(tert-butyldiphenylsilanyloxy)propoxy)cyclohexylidene}ethyl]diphenylphosphine oxide.

CATO supplies (Z)-[2-{(3R,4R,5R)-3,5-Bis(tert-butyldimethylsilanyloxy)-2-methylene-4-(3-(tert-butyldiphenylsilanyloxy)propoxy)cyclohexylidene}ethyl]diphenylphosphine oxide (CAS 1254276-84-0), a certified reference material (molecular formula C52H75O5PSi3, MW 895.38 g/mol) for analytical method development and quality control.

Structurally, (Z)-[2-{(3R,4R,5R)-3,5-Bis(tert-butyldimethylsilanyloxy)-2-methylene-4-(3-(tert-butyldiphenylsilanyloxy)propoxy)cyclohexylidene}ethyl]diphenylphosphine oxide (C52H75O5PSi3) contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 15.5, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 895.38 g/mol, it falls into the 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), (Z)-[2-{(3R,4R,5R)-3,5-Bis(tert-butyldimethylsilanyloxy)-2-methylene-4-(3-(tert-butyldiphenylsilanyloxy)propoxy)cyclohexylidene}ethyl]diphenylphosphine 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 FormulaC52H75O5PSi3
Molecular Weight895.38 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)15.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990

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