5-(3-Bromophenyl)-3-(2,4-dichlorophenyl)isoxazole CAS 651021-68-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 651021-68-0 |
| Molecular Formula | C15H8BrCl2NO |
| Molecular Weight | 369.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3-Bromophenyl)-3-(2,4-dichlorophenyl)isoxazole (CAS 651021-68-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H8BrCl2NO. Molecular weight: 369.04 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H8BrCl2NO |
| Molecular Weight | 369.04 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 6-Bromo-2,4-dichloro-3-phenoxyquinoline (CAS 1599524-58-9)
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- 6-[3-(aminomethyl)piperidin-1-yl]-N-methylpyrimidin-4-amine (CAS 1311315-73-7)
- (E)-{2-[(4-chlorophenyl)sulfanyl]-1-{6-methyl-[1,2,4]triazolo[3,2-b][1,3]thiazol-5-yl}ethylidene}({[4-(trifluoromethyl)phenyl]methoxy})amine (CAS 866131-21-7)
- 9,10-Divinylanthracene (CAS 18512-61-3)
- 1,3-Benzenediamine, 4-[2-(1-naphthalenyl)diazenyl]- (CAS 6416-57-5)
- 3-Azido-2-oxo-2,3,4,5-tetrahydro-1h-benzo[b]azepine (CAS 86499-24-3)
- N-(2-Chlorophenyl)-2-hydrazinyl-5-nitrobenzene-1-sulfonamide (CAS 328028-43-9)
- Semaglutide impurity 251 (CAS CATO-C4X-2226251)
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