3,4-Dibromo-2,2,5,5-tetraphenyl-2,5-dihydrofuran CAS 36992-21-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 36992-21-9 |
| Molecular Formula | C28H20Br2O |
| Molecular Weight | 532.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Dibromo-2,2,5,5-tetraphenyl-2,5-dihydrofuran (CAS 36992-21-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C28H20Br2O. Molecular weight: 532.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C28H20Br2O |
| Molecular Weight | 532.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Br-containing |
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Recommended Standards
- (3E)-3-{2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-indol-2-one (CAS 303985-33-3)
- 4-Bromo-N-[(5-{[(4-bromophenyl)methyl]sulfanyl}-4-methyl-4H-1,2,4-triazol-3-yl)methyl]benzene-1-sulfonamide (CAS 338421-61-7)
- Afoxolaner Impurity 19 (CAS CATO-C4X-313719)
- 4-(Isothiocyanatomethyl)pyridine (CAS 106244-99-9)
- N-(2-Methylpyrimidin-5-yl)isobutyramide (CAS 959245-95-5)
- 3-(3-Iodophenyl)-4-methyl-1h-pyrazol-5-amine (CAS 2145467-70-3)
- 3,5-Bis(trifluoromethyl)chlorobenzene (CAS 328-72-3)
- 1,7-Dimethyl-3,4-dihydroisoquinoline (CAS 33456-86-9)
- Miriplatin Impurity 3 (CAS 61848-62-2)
- Des-Ser32-Tirzepatide (CAS CATO-CPTD788942)
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