Dicyclohexyl(2-(2,6-dimethoxybenzyl)benzyl)phosphine CAS 1951440-81-5
| CAS No. | 1951440-81-5 |
| Molecular Formula | C28H39O2P |
| Molecular Weight | 438.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Dicyclohexyl(2-(2,6-dimethoxybenzyl)benzyl)phosphine (CAS 1951440-81-5) is a high-purity analytical reference standard with the molecular formula C28H39O2P and a molecular weight of 438.58 g/mol.
Based on its molecular formula C28H39O2P, Dicyclohexyl(2-(2,6-dimethoxybenzyl)benzyl)phosphine contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 438.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C28H39O2P |
| Molecular Weight | 438.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
Related Dicyclohexyl Standards
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- N,1-Dicyclohexyl-2-imino-5-oxo-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 618078-04-9)
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