((2E,4E)-5-(4-methoxy-2,3,6-trimethylphenyl)-3-methylpenta-2,4-dien-1-yl)triphenylphosphonium bromide CAS 54757-44-7
| CAS No. | 54757-44-7 |
| Molecular Formula | C34H36OP |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), ((2E,4E)-5-(4-methoxy-2,3,6-trimethylphenyl)-3-methylpenta-2,4-dien-1-yl)triphenylphosphonium bromide 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.
CATO supplies ((2E,4E)-5-(4-methoxy-2,3,6-trimethylphenyl)-3-methylpenta-2,4-dien-1-yl)triphenylphosphonium bromide (CAS 54757-44-7), a certified reference material (molecular formula C34H36OPBr, MW 571.54 g/mol) for analytical method development and quality control.
Owing to organophosphorus functionality, a hydroxyl group, an ether linkage, bromine substitution, a polycyclic aromatic system, ((2E,4E)-5-(4-methoxy-2,3,6-trimethylphenyl)-3-methylpenta-2,4-dien-1-yl)triphenylphosphonium bromide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 571.54 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C34H36OP Br |
| Molecular Weight | 571.54 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 |
| Degree of Unsaturation (DBE) | 16.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Br-containing |
Recommended Standards
- tert-butyl 5-phenyl-3,6-dihydrooxazine-2-carboxylate (CAS 874958-00-6)
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- 1,3-Dimethyl-1-propoxyurea (CAS 502448-03-5)
- 5-(aminomethyl)-N-methylpyridine-2-carboxamide hydrochloride (CAS 1610471-47-0)
- 898768-40-6 1-(3,5-Dimethylphenyl)-3-(4-fluorophenyl)propan-1-one DTXSID40644583 (CAS 898768-40-6)
- 6-Bromo-3-(chloromethyl)isoquinoline (CAS 1822846-00-3)
- 2-(5-Oxo-4,5-dihydro-1H-pyrrol-2-yl)propanamide (CAS 860361-70-2)
- N-Butyl-N-(3-chloropropyl)butan-1-amine (CAS 36421-15-5)
- 3',5'-Dichloro-3-fluoro-[1,1'-biphenyl]-4-carbaldehyde (CAS 1361871-90-0)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788679)
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