5-(2-Chloro-5-nitrophenyl)-3-(pyridin-2-yl)-1,2,4-oxadiazole CAS 432018-14-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 432018-14-9 |
| Molecular Formula | C13H7ClN4O3 |
| Molecular Weight | 302.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(2-Chloro-5-nitrophenyl)-3-(pyridin-2-yl)-1,2,4-oxadiazole (CAS 432018-14-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H7ClN4O3. Molecular weight: 302.67 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H7ClN4O3 |
| Molecular Weight | 302.67 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 | 4 |
Related Chloro Standards
- 3-(4-Chloro-3-nitrophenyl)-5-(pyridin-2-yl)-1,2,4-oxadiazole (CAS 879568-39-5)
- 3-(4-Chloro-3-nitrophenyl)-5-(pyridin-4-yl)-1,2,4-oxadiazole (CAS 879452-13-8)
- 6-Chloro-3'-(trifluoromethoxy)biphenyl-3-methanol (CAS 1261501-45-4)
- 4-Chloro-4'-(trifluoromethoxy)biphenyl-3-methanol (CAS 1261686-74-1)
- 6-Chloro-4-(2-methoxy-5-(trifluoromethyl)-phenyl)-3-methylpyridazine (CAS 1354819-36-5)
- 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-N,6-dimethylpyrimidin-4-amine (CAS 1357147-51-3)
- 2-Chloro-N4-(Phenylmethyl)-6-(Trifluoromethyl)-4,5-Pyrimidinediamine (CAS 1743-95-9)
- 1-(7-Chloro-4-(dimethylamino)quinolin-3-yl)-2,2,2-trifluoroethanone (CAS 501947-42-8)
Recommended Standards
- Isobutyl 4-chloro-3,5-dinitrobenzoate (CAS 58263-53-9)
- 2-Chloroinosine (CAS 13276-43-2)
- 2-(4-Chlorophenyl)-4-nitroisoindoline-1,3-dione (CAS 53555-03-6)
- 5-[(4-fluorophenyl)sulfamoyl]-2-methylbenzoic acid (CAS 325721-90-2)
- 4-[2-(4-Piperidinylmethoxy)ethyl]morpholine (CAS 946680-57-5)
- N-(6-Methylpyridin-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinamide (CAS 936091-08-6)
- Phloroglucinol Impurity 32 (CAS 83-30-7)
- ((4-Iodophenyl)methanetriyl)tribenzene (CAS 205384-30-1)
- 1-[1-(4-Fluoro-phenyl)-propyl]-1H-[1,2,3]triazole-4-carboxylic acid (CAS 889939-76-8)
- Valosin Peptide (VQY), porcine (CAS 99510-37-9)
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