3,4-Dibromo-5,5-di-p-tolylfuran-2(5H)-one CAS 57697-62-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57697-62-8 |
| Molecular Formula | C18H14Br2O2 |
| Molecular Weight | 422.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Dibromo-5,5-di-p-tolylfuran-2(5H)-one (CAS 57697-62-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H14Br2O2. Molecular weight: 422.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H14Br2O2 |
| Molecular Weight | 422.11 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Br-containing |
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Recommended Standards
- 5-(4-Bromophenyl)-7-(2,4-dichlorophenyl)-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 303060-42-6)
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- Tert-butyl 5-bromo-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate (CAS 1024677-85-7)
- tert-Butyl 3-((6-methoxypyrimidin-4-yl)(methyl)amino)piperidine-1-carboxylate (CAS 1404192-12-6)
- (4-methoxy-3-nitrophenyl)methanesulfonyl fluoride (CAS 1251924-42-1)
- (1H-indol-3-yl)(morpholino)methanone (CAS 225782-55-8)
- Methyl 6-(furan-2-yl)-2-methylnicotinate (CAS 1184862-92-7)
- 5,6-Dimethyl-4-nitropicolinic acid (CAS 501357-46-6)
- Neticonazole Impurity 9 (CAS 138206-50-5)
- Semaglutide impurity 48 (CAS CATO-C4X-222648)
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