(4-Ethoxy-2,4-dioxobutyl)triphenylphosphonium chloride CAS 106302-03-8
| CAS No. | 106302-03-8 |
| Molecular Formula | C24H24O3P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C24H24O3PCl, (4-Ethoxy-2,4-dioxobutyl)triphenylphosphonium chloride contains a steroid core, a phosphonate group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 426.88 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).
(4-Ethoxy-2,4-dioxobutyl)triphenylphosphonium chloride (CAS 106302-03-8), molecular formula C24H24O3PCl and molecular weight 426.88 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C24H24O3P Cl |
| Molecular Weight | 426.88 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 8-(3-Iodophenyl)-8-oxooctanenitrile (CAS 898767-99-2)
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- 1-(3-Bromo-4-methoxyphenyl)propan-1-one (CAS 4374-36-1)
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- 4-{4-[(Dimethylamino)carbonyl]anilino}-4-oxobutanoic acid (CAS 941462-99-3)
- 8-Methyl-1-thia-4-azaspiro[4.5]Decane (CAS 31404-03-2)
- 3,5-Dibromo-2-methylpyridin-4-amine (CAS 126325-54-0)
- 1-(2-Amino-6-bromophenyl)ethanone (CAS 55830-09-6)
- Fibrinopeptide A, human TFA (CAS 61533-47-9)
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