5-Bromo-4-chloro-3-methylisoxazole CAS 90288-64-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90288-64-5 |
| Molecular Formula | C4H3BrClNO |
| Molecular Weight | 196.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Bromo-4-chloro-3-methylisoxazole (CAS 90288-64-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H3BrClNO. Molecular weight: 196.43 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H3BrClNO |
| Molecular Weight | 196.43 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-(Bromomethyl)-2-chlorooxazole (CAS 706789-08-4)
- (4-Chloro-3-cyclopropylphenyl)boronic acid (CAS 1548739-71-4)
- 2-(2-Chlorophenyl)-1,3,2-dioxaborinane (CAS 172732-59-1)
- FR-651A (CAS 87-84-3)
- 2-Chloro-5-(4-(trifluoromethoxy)phenyl)nicotinic acid (CAS 1261763-21-6)
- 6-(2-Bromoacetyl)benzo[d]oxazol-2(3H)-one (CAS 79851-84-6)
- (2,2,2-Trifluoroethoxy)difluoroacetic Acid (CAS 152538-73-3)
- 3-Bromo-1H-indazole-4-carbaldehyde (CAS 1337881-51-2)
- 2-[(4-Fluorophenyl)sulfanyl]-N-(4-methoxyphenyl)acetamide (CAS 339097-25-5)
- CGMP Dependent Kinase Inhibitor Peptide (CAS 82801-73-8)
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