5-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-pyrazol-3-yl}-3-(4-fluorophenyl)-2,1-benzoxazole CAS 321571-05-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321571-05-5 |
| Molecular Formula | C22H11ClF4N4O |
| Molecular Weight | 458.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-pyrazol-3-yl}-3-(4-fluorophenyl)-2,1-benzoxazole (CAS 321571-05-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H11ClF4N4O. Molecular weight: 458.80 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C22H11ClF4N4O |
| Molecular Weight | 458.80 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
Related chloro Standards
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- N-[4-(5-Chloro-1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)-3-methylphenyl]-4-(trifluoromethyl)benzamide (CAS 633318-76-0)
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Recommended Standards
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- 3-Bromomethyl-3-[6-(4-chlorophenoxyl)-hexyl]-tetrahydropyrrolo[2,1-c] [1,4]oxazine-1,4-dione (CAS 467235-26-3)
- 3-(4-Nitrophenyl)propiolic acid (CAS 2216-24-2)
- Methyl 2-(allylthio)acetate (CAS 72867-23-3)
- 2-Nitro-5-(trifluoromethoxy)aniline (CAS 2267-22-3)
- (3R,3AS,7aR)-3-ethoxy-2-(hydroxymethyl)-2,3,3a,4,7,7a-hexahydro-1H-isoindol-1-one (CAS 172537-45-0)
- Bicyclo[2.2.1]heptane-2-methanamine Hydrochloride (CAS 4040-59-9)
- 2-Phenyl-4-[(propan-2-ylsulfanyl)methyl]-6-(pyrrolidin-1-yl)pyrimidine (CAS 338961-42-5)
- Retatrutide (CAS 2381089-83-2)
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