5-(3-Bromophenyl)-3-(4-chlorophenyl)isoxazole CAS 651021-67-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 651021-67-9 |
| Molecular Formula | C15H9BrClNO |
| Molecular Weight | 334.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(3-Bromophenyl)-3-(4-chlorophenyl)isoxazole (CAS 651021-67-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H9BrClNO. Molecular weight: 334.60 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H9BrClNO |
| Molecular Weight | 334.60 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 |
Related Bromophenyl Standards
- 3-(4-Bromophenyl)-5-(3-chlorophenyl)isoxazole (CAS 651021-75-9)
- N-(4-bromophenyl)-7-chloroquinazolin-4-amine (CAS 477856-29-4)
- 5309-35-3 N'-[(3-Bromophenyl)methylidene]-4-oxo-3,4,5,6,7,8-hexahydro[1]benzothieno[2,3-d]pyrimidine-2-carbohydrazide DTXSID60361326 (CAS 5309-35-3)
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- 2-(4-Bromophenyl)-4-(ethylthio)pyrazolo[1,5-a]pyrazine (CAS 1207007-76-8)
- 2-(4-Bromophenyl)-3-phenylthiazolidin-4-one (CAS 128914-28-3)
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Recommended Standards
- 5-Bromo-2-(4-chlorophenyl)-1H-indole-3-carbaldehyde (CAS 587828-26-0)
- 6-Bromo-4-(4-chlorophenyl)quinolin-2(1H)-one (CAS 1416439-09-2)
- Resmetirom Impurity 102 (CAS CATO-C4X-2912102)
- 4-Bromo-2-ethoxy-6-methylpyridine (CAS 1300633-96-8)
- 7'-Methoxy-5'H-spiro[piperidine-4,4'-pyrrolo[1,2-a]quinoxaline] (CAS 958707-54-5)
- Hydroxy-γ-sanshool (CAS 78886-66-5)
- 2-(3,4-Dichlorophenyl)-N-(5-methylisoxazol-3-yl)acetamide (CAS 916033-35-7)
- 3-Bromo-2-fluoronitrobenzene (CAS 58534-94-4)
- 2-Methoxy-O-methyltyrosine (CAS 91248-17-8)
- Semaglutide impurity 272 (CAS CATO-C4X-2226272)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com