3-phenyl-5-(trichloromethyl)-1,2,4-oxadiazole CAS 1208-05-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1208-05-5 |
| Molecular Formula | C9H5Cl3N2O |
| Molecular Weight | 263.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-phenyl-5-(trichloromethyl)-1,2,4-oxadiazole (CAS 1208-05-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H5Cl3N2O. Molecular weight: 263.51 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H5Cl3N2O |
| Molecular Weight | 263.51 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.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related phenyl Standards
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Recommended Standards
- 5-(Chloromethyl)-3-(2,6-dichlorophenyl)-1,2,4-oxadiazole (CAS 117762-99-9)
- 2,2,2-Trichloro-1-(1H-pyrrolo[2,3-b]pyridin-3-yl)ethanone (CAS 163220-69-7)
- 3-(Chloromethyl)-5-(2,3-dichlorophenyl)-1,2,4-oxadiazole (CAS 1039885-60-3)
- 4-{[1,1'-biphenyl]-4-yl}-1,2,3-thiadiazole (CAS 64273-27-4)
- Amoxapine Impurity 2 (CAS 2770-11-8)
- 5-Acetyl-2,6-dimethylnicotinonitrile (CAS 24234-56-8)
- tert-Butyl N-{2-[(4-chlorophenyl)formohydrazido]-2-oxoethyl}carbamate (CAS 1638612-53-9)
- 2-Amino-N-((3-methylthiophen-2-yl)methyl)acetamide (CAS 1353956-47-4)
- Ethyl 2-(2-(aminomethyl)-1h-imidazol-1-yl)acetate (CAS 1249891-67-5)
- Des-Leu26-Tirzepatide (CAS CATO-CPTD788947)
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