1-(1-Methylcyclopentyl)-2-(triphenylphosphoranylidene)ethanone CAS 89521-46-0

Purity 97%+In StockPharmaceutical Standards
CAS No.89521-46-0
Molecular FormulaC26H27OP
Molecular Weight386.47 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(1-Methylcyclopentyl)-2-(triphenylphosphoranylidene)ethanone CAS 89521-46-0 chemical structure

Description

The occurrence of 1-(1-Methylcyclopentyl)-2-(triphenylphosphoranylidene)ethanone 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.

1-(1-Methylcyclopentyl)-2-(triphenylphosphoranylidene)ethanone (CAS 89521-46-0), molecular formula C26H27OP and molecular weight 386.47 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1-(1-Methylcyclopentyl)-2-(triphenylphosphoranylidene)ethanone (C26H27OP) contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.5, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 386.47 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), 1-(1-Methylcyclopentyl)-2-(triphenylphosphoranylidene)ethanone 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 FormulaC26H27OP
Molecular Weight386.47 g/mol
AppearancePale yellow to yellow crystalline powder
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)13.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1982

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