(4-methoxycarbonylphenyl)methyl-triphenylphosphanium;bromide CAS 1253-46-9
| CAS No. | 1253-46-9 |
| Molecular Formula | C27H24O2P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (4-methoxycarbonylphenyl)methyl-triphenylphosphanium;bromide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
(4-methoxycarbonylphenyl)methyl-triphenylphosphanium;bromide (CAS 1253-46-9), molecular formula C27H24O2PBr and molecular weight 491.36 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C27H24O2PBr, (4-methoxycarbonylphenyl)methyl-triphenylphosphanium;bromide contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 491.36 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C27H24O2P Br |
| Molecular Weight | 491.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
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Recommended Standards
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- Ethyl 2-(5-fluoro-1H-indol-1-yl)propanoate (CAS 1956306-81-2)
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- 5,12-Dihydroquinoxalino[2,3-b]quinoxaline (CAS 531-46-4)
- 1-Bromo-3-butoxy-5-methylbenzene (CAS 1881330-47-7)
- 2-Acetonitrilthiophene-5-carboxylic Acid ethyl ester (CAS 212508-31-1)
- T-Peptide (CAS 2022956-62-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com