3-(4-Chloro-2-fluoro-5-methoxyphenyl)-5-(trifluoromethyl)isoxazole CAS 653569-96-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 653569-96-1 |
| Molecular Formula | C11H6ClF4NO2 |
| Molecular Weight | 295.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Chloro-2-fluoro-5-methoxyphenyl)-5-(trifluoromethyl)isoxazole (CAS 653569-96-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11H6ClF4NO2. Molecular weight: 295.62 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C11H6ClF4NO2 |
| Molecular Weight | 295.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 1-(5-Chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-N,N-dimethylmethanamine (CAS 1384216-47-0)
- 3-Chloro-2-((difluoromethyl)sulfonyl)-5-(trifluoromethyl)pyridine (CAS 1823183-18-1)
- N-(2-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)ethanamine (CAS 2096333-72-9)
- 4-Chloro-5-fluoro-2-(3-fluoro-5-(trifluoromethyl)pyridin-2-yl)pyrimidine (CAS 1823188-21-1)
- 4-((2-Chloro-5-(trifluoromethyl)phenyl)amino)-4-oxobutanoic acid (CAS 199803-99-1)
- 3'-Chloro-5'-fluoro-5-nitro-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261928-24-8)
- 1-(5-Chloro-6-(trifluoromethyl)pyrimidin-4-yl)pyrrolidine-2-carboxylic acid (CAS 1823198-80-6)
- N-[2-Chloro-5-(trifluoromethyl)phenyl]-2-[(Z)-N'-hydroxycarbamimidoyl]acetamide (CAS 219528-44-6)
Recommended Standards
- Avatrombopag Impurity 43 (CAS 1268118-96-2)
- 3-(4-Chlorophenyl)-3-(2,2,2-trifluoroacetamido)propanoic acid (CAS 117291-25-5)
- Avatrombopag Impurity 38 (CAS 2161380-87-4)
- (2Z)-3-[2-(2,4-Dichlorophenoxy)phenyl]-2-(3-methoxyphenyl)prop-2-enenitrile (CAS 866019-85-4)
- 2-((2,4-Dichlorophenyl)amino)isoindoline-1,3-dione (CAS 320422-00-2)
- Melphalan EP Impurity G HCl salt (CAS 2238824-44-5)
- 6-Chloronaphthalen-2-amine (CAS 23417-61-0)
- 4-Bromo-6,8-dimethoxyquinoline (CAS 1402138-64-0)
- 1,3-Dimethyltetravinyldisiloxane (CAS 16045-78-6)
- Lixisenatide (CAS 320367-13-3（free base）)
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