Dicyclohexyl(4-methoxyphenyl)phosphane CAS 40438-63-9

Purity 97%+In StockPharmaceutical Standards
CAS No.40438-63-9
Molecular FormulaC19H29OP
Molecular Weight304.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Dicyclohexyl(4-methoxyphenyl)phosphane CAS 40438-63-9 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 Dicyclohexyl(4-methoxyphenyl)phosphane.

Dicyclohexyl(4-methoxyphenyl)phosphane (CAS 40438-63-9) is a high-purity analytical reference standard with the molecular formula C19H29OP and a molecular weight of 304.41 g/mol.

Structurally, Dicyclohexyl(4-methoxyphenyl)phosphane (C19H29OP) contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.5, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 304.41 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), Dicyclohexyl(4-methoxyphenyl)phosphane 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 FormulaC19H29OP
Molecular Weight304.41 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)5.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968

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