[4-(1,3-Dioxolan-2-yl)butyl]triphenylphosphonium CAS 697733-23-6
| CAS No. | 697733-23-6 |
| Molecular Formula | C25H28O2P |
| Molecular Weight | 391.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[4-(1,3-Dioxolan-2-yl)butyl]triphenylphosphonium (CAS 697733-23-6), molecular formula C25H28O2P and molecular weight 391.46 g/mol, is a CATO reference standard with documented purity and traceability.
[4-(1,3-Dioxolan-2-yl)butyl]triphenylphosphonium (C25H28O2P) contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
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 | C25H28O2P |
| Molecular Weight | 391.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
Related Dioxolan Standards
- (5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(2-iodophenyl)methanone (CAS 898778-10-4)
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Recommended Standards
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3,3-dicyclopropylpropanoic acid (CAS 2548969-38-4)
- 1-((4-Nitrophenyl)sulfonyl)-2-((1-phenylethyl)thio)-4,5-dihydro-1H-imidazole (CAS 868217-00-9)
- (E)-3,3-dimethyl-1-(4-methyl-2-nitrophenoxy)butan-2-one O-cyclohexylcarbamoyl oxime (CAS 478048-94-1)
- 1-((6,7-Dimethoxynaphthalen-2-yl)methyl)-6,7-dimethoxy-3,4-dihydroisoquinoline (CAS 37708-04-6)
- 4-(3-Methoxy-4-nitrophenyl)morpholine (CAS 6950-88-5)
- N-(2-Oxo-1,2,3,4-tetrahydroquinolin-6-yl)acetamide (CAS 22246-14-6)
- 2-Fluoro-2-(4-methylpyridin-3-yl)acetic acid (CAS 1543138-34-6)
- 2-(Ethylamino)nicotinonitrile (CAS 52583-89-8)
- 4-Bromo-5-cyclopropoxypyridin-3-amine (CAS 1243322-11-3)
- 4-Chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 863868-19-3)
- (2R,3S)-2-(2,2-Bis(4-fluorophenyl)benzo[d][1,3]dioxol-5-yl)chromane-3,5,7-triol (CAS 89329-09-9)
- 3-Amino-6-(difluoromethyl)-4-phenylthieno[2,3-b]pyridine-2-carboxamide (CAS 828277-46-9)
- 3-Amino-4-chloromethyl-2-(trifluoromethyl)pyridine (CAS 1227581-60-3)
- Peptide 433 (CAS CATO-CPTD788433)
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