5-Chloro-3-(4-fluorophenyl)-1,2,4-oxadiazole CAS 522647-20-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 522647-20-7 |
| Molecular Formula | C8H4ClFN2O |
| Molecular Weight | 198.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-3-(4-fluorophenyl)-1,2,4-oxadiazole (CAS 522647-20-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H4ClFN2O. Molecular weight: 198.58 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H4ClFN2O |
| Molecular Weight | 198.58 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 DMSO, DMF, methanol |
| 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.) | 1984 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-(2-Chloro-6-fluorophenyl)-1,3,4-oxadiazole (CAS 1171931-06-8)
- 5-Chloro-3-(3-fluorophenyl)-1,2,4-oxadiazole (CAS 1184059-45-7)
- 4-Chloro-5-fluoro-7H-pyrrolo[2,3-b]pyridine-6-carbaldehyde (CAS 1246088-61-8)
- 5-(2-Chloro-4-fluorophenyl)-2H-tetrazole (CAS 1261268-87-4)
- 3-(4-Chloro-2-fluorophenyl)propiolic acid (CAS 1339870-06-2)
- 3-Chloro-6-fluoroquinoxalin-2(1H)-one (CAS 1374748-36-3)
- 4-Chloro-7-fluoroquinazolin-6-ol (CAS 1379203-47-0)
- 5-Chloro-1-(4-fluorophenyl)-1H-tetrazole (CAS 14210-27-6)
Recommended Standards
- 5-Chloro-3-(2-fluorophenyl)-1,2,4-oxadiazole (CAS 525574-81-6)
- 5-Chloro-6-fluoro-1H-indazole-4-carbaldehyde (CAS 2769128-31-4)
- 3-Chloro-4-ethynyl-2-fluorobenzoic acid (CAS 2490400-67-2)
- 2-Chloro-4-((3-fluorobenzyl)oxy)aniline (CAS 1282168-62-0)
- 5-Fluoro-2-(pyridin-4-ylmethoxy)benzoic acid (CAS 1351763-25-1)
- ethyl 2-(2-oxoazepan-3-yl)acetate (CAS 831-32-3)
- 2-(Hydroxymethyl)-6-methoxycyclohexa-2,5-diene-1,4-dione (CAS 50827-57-1)
- Imidazole Hydrobromide (Low water content) (CAS 101023-55-6)
- 2-(Cyclopentylthio)ethan-1-amine (CAS 204129-50-0)
- MCH-Gene-Overprinted-Polypeptide-14 (rat) (H-4746.0500) (CAS 182917-44-8)
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