(3,5-Dimethylbenzyl)triphenylphosphonium bromide CAS 52988-36-0
| CAS No. | 52988-36-0 |
| Molecular Formula | C27H26P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 461.38 g/mol gives (3,5-Dimethylbenzyl)triphenylphosphonium bromide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(3,5-Dimethylbenzyl)triphenylphosphonium bromide (CAS 52988-36-0) is a high-purity analytical reference standard with the molecular formula C27H26PBr and a molecular weight of 461.38 g/mol.
Structurally, (3,5-Dimethylbenzyl)triphenylphosphonium bromide (C27H26PBr) contains organophosphorus functionality, bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 14.5, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 461.38 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
As a certified reference material (CRM), (3,5-Dimethylbenzyl)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.
Physical & Chemical Properties
| Molecular Formula | C27H26P Br |
| Molecular Weight | 461.38 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Br-containing |
Related Dimethylbenzyl Standards
- (3,5-Dimethylbenzyl)hydrazine (CAS 1007292-97-8)
- 5-(2,5-dimethylbenzyl)-4-oxo-1,2,3,3a,4,5-hexahydropyrrolo[1,2-a]quinoxaline-7-carbonitrile (CAS 1008035-65-1)
- 4,4＇-Bis(α,α-dimethylbenzyl)diphenylamine (CAS 10081-67-1)
- 5-(2,5-dimethylbenzyl)-7-(trifluoromethyl)-1,2,3,3a-tetrahydropyrrolo[1,2-a]quinoxalin-4(5H)-one (CAS 1009409-98-6)
- n-(2,4-Dimethylbenzyl)propan-1-amine (CAS 1017034-62-6)
- (1-(3,4-Dimethylbenzyl)piperidin-4-yl)methanamine (CAS 1017440-68-4)
- n-(2,4-Dimethylbenzyl)cyclopentanamine (CAS 1019579-61-3)
- n-(2,4-Dimethylbenzyl)-2-methylbutan-2-amine (CAS 1019595-20-0)
Recommended Standards
- 5-Bromo-4-phenylthiazole (CAS 59278-68-1)
- 2-(3-Amino-4-bromo-1h-pyrazol-1-yl)propanoic acid (CAS 1249770-93-1)
- (E)-1-tosyl-N'-(4-(trifluoromethoxy)benzylidene)piperidine-4-carbohydrazide (CAS 478030-18-1)
- Ethyl 1-(piperidin-4-yl)-1H-pyrazole-4-carboxylate (CAS 782493-96-3)
- 6-Methoxy-3-(4-methoxybenzoyl)quinolin-4(1H)-one (CAS 769972-64-7)
- 2-Aminoperimidine hydrobromide hydrate (CAS 313223-13-1)
- 4-Phenethylpiperidin-4-ol (CAS 138047-74-2)
- 5-[(5-chloro-2,4-dimethoxyphenyl)sulfamoyl]-2-methylbenzoic acid (CAS 438021-83-1)
- 3-(3,3-Dichloroallyl)-8-methoxy-2-methylquinolin-4-ol (CAS 67629-20-3)
- Gastric Inhibitory Polypeptide (6-30) amide (human) (CAS 1139691-72-7)
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