5-Chloro-3-(3,5-difluorophenyl)isoxazole CAS 359424-44-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 359424-44-5 |
| Molecular Formula | C9H4ClF2NO |
| Molecular Weight | 215.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-3-(3,5-difluorophenyl)isoxazole (CAS 359424-44-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H4ClF2NO. Molecular weight: 215.58 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H4ClF2NO |
| Molecular Weight | 215.58 g/mol |
| Appearance | Off-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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 2-Chloro-4,5-difluorobenzoylacetonitrile (CAS 139218-69-2)
- 2-Chloro-4-(trifluoromethyl)thiazole-5-carbaldehyde (CAS 1823904-66-0)
- 2-Chloro-4-methyl-5-nitrobenzoic acid (CAS 101580-96-5)
- 2-Chloro-N-(3-nitropyridin-2-yl)acetamide (CAS 1065483-83-1)
- 6-Chloro-4-(methoxycarbonyl)picolinic acid (CAS 1206249-69-5)
- 2-Chloro-6-(methoxycarbonyl)isonicotinic acid (CAS 1206250-39-6)
- 3-Chloro-2-methyl-5-nitrobenzoic acid (CAS 1227268-71-4)
- 7-Chloro-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine-8-carboxylic acid (CAS 1305325-09-0)
Recommended Standards
- 4-(chloromethyl)-3-nitrobenzoic acid (CAS 103440-03-5)
- 5-(trifluoromethyl)-1,3-thiazole-4-carbonyl chloride (CAS 1245523-21-0)
- 4-Methoxy-3-nitrobenzoyl Chloride (CAS 10397-28-1)
- 2-amino-2-(2-fluorophenyl)acetamide hydrochloride (CAS 1315365-17-3)
- 10-(3-Nitrophenyl)-2,3-dihydroimidazo[2,1-b]quinazolin-5(10H)-one (CAS 88969-72-6)
- (1-(4-(2-Chlorophenoxy)butyl)-1H-benzo[d]imidazol-2-yl)methanol (CAS 853752-88-2)
- 4-(4-(Dimethylamino)styryl)-1-methylpyridin-1-ium iodide (CAS 959-81-9)
- 5-Fluoro-1,3-benzothiazole-2-carbaldehyde (CAS 139425-46-0)
- 2-(2-fluoroethyl)cyclopentan-1-one (CAS 1531547-10-0)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
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