2-(2-Chloro-5-nitrophenyl)-5-phenyl-1,3,4-oxadiazole CAS 243644-34-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 243644-34-0 |
| Molecular Formula | C14H8ClN3O3 |
| Molecular Weight | 301.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-Chloro-5-nitrophenyl)-5-phenyl-1,3,4-oxadiazole (CAS 243644-34-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H8ClN3O3. Molecular weight: 301.68 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H8ClN3O3 |
| Molecular Weight | 301.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 2-(4-Chlorophenyl)-2,3-dihydro-1,3-dioxo-1H-isoindole-5-carboxylic acid (CAS 285552-81-0)
- 1,3-Dioxoisoindolin-2-yl 4-chlorobenzoate (CAS 63591-89-9)
- 2-(4-Chlorophenyl)-5-(4-nitrophenyl)-1,3,4-oxadiazole (CAS 62507-54-4)
- IEICO-4F (CAS 2089044-02-8)
- 1-Bromo-5-(bromomethyl)-2-methyl-3-(trifluoromethyl)benzene (CAS 2385223-45-8)
- Methyl 4-chlorothiophene-3-carboxylate (CAS 88770-14-3)
- Naphthalene-1,5-diylbis(phenylmethanone) (CAS 83-80-7)
- 2-(5-cyclopropyl-1h-1,2,3,4-tetraZol-1-yl)acetic acid (CAS 1267117-83-8)
- Gomisin F (CAS 62956-47-2)
- Semaglutide Impurity 160 (x TFA Salt) (CAS CATO-C4X-2226160)
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