(2-oxotetrahydrofuran-3-yl)triphenylphosphonium bromide CAS 28228-78-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28228-78-6 |
| Molecular Formula | C22H20O2P Br |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2-oxotetrahydrofuran-3-yl)triphenylphosphonium bromide (CAS 28228-78-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H20O2P Br. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H20O2P Br |
| Molecular Weight | 427.28 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) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Br-containing |
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Recommended Standards
- Ethyl 2-(3-formyl-4-nitrophenoxy)acetate (CAS 105728-02-7)
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- 1-(3,5-Difluoro-2-(isopentyloxy)phenyl)-2,2,2-trifluoroethan-1-one (CAS 1443344-37-3)
- 2-Amino-7,8-dihydro-5H-pyrano[4,3-b]pyridin-5-one (CAS 2673369-36-1)
- 2,6-Bis(2’,2’-dimethylpropionyl)pyridine (CAS 156022-06-9)
- 2,6-Dibromo-3-(iodomethyl)pyridine (CAS 58596-61-5)
- Acetyl-Exenatide trifluoroacetate salt (CAS 305815-28-5)
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 13829788188 / jacky.chen@cato-chem.com