5-(2-Chloropyridin-4-yl)-3-ethyl-1,2,4-oxadiazole CAS 1120245-50-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1120245-50-2 |
| Molecular Formula | C9H8ClN3O |
| Molecular Weight | 209.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(2-Chloropyridin-4-yl)-3-ethyl-1,2,4-oxadiazole (CAS 1120245-50-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H8ClN3O. Molecular weight: 209.63 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H8ClN3O |
| Molecular Weight | 209.63 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloropyridin Standards
- 1-(5-chloropyridin-2-yl)-3-methyl-4,5-dihydro-1H-pyrazol-5-one (CAS 111988-00-2)
- (6-chloropyridin-3-yl)methanesulfonyl fluoride (CAS 1384431-40-6)
- 1-[(6-chloropyridin-3-yl)methyl]-2,3-dihydro-1H-imidazol-2-one (CAS 223380-78-7)
- 5-(2-Chloropyridin-3-yl)-3-ethyl-1,2,4-oxadiazole (CAS 937669-85-7)
- 1-((3-Chloropyridin-4-yl)methyl)-1h-1,2,3-triazol-4-amine (CAS 1518091-60-5)
- 3-(((6-Chloropyridin-3-yl)methyl)(methyl)amino)propanenitrile (CAS 861211-56-5)
- 1-(2-Chloropyridin-3-yl)-2,2,2-trifluoroethanone (CAS 1057657-62-1)
- 1-(3-Chloropyridin-2-yl)-2,2,2-trifluoroethan-1-one (CAS 1060802-07-4)
Recommended Standards
- Methyl 2-chloro-3-(cyanomethyl)benzoate (CAS 1123582-06-8)
- 2-Chloro-N-(6-cyanopyridin-3-yl)propanamide (CAS 1112994-35-0)
- Methyl 3-bromoindolizine-1-carboxylate (CAS 1126444-16-3)
- N-(4-Bromo-3-chloro-2-fluorophenyl)acetamide (CAS 143360-05-8)
- 2-(4-Chlorophenyl)-3-(furan-2-yl)acrylonitrile (CAS 72030-15-0)
- 9-(Pyridin-4-yl)-9H-carbazole (CAS 130671-88-4)
- 2-[2-(thiophen-2-yl)-1,3-oxazol-4-yl]acetic acid (CAS 1082414-36-5)
- 1,3-Dihydropyrrolo[2,3-b]pyridine-2-one (CAS 5654-97-7)
- trans-4-Phenylcyclohexaneacetic acid (CAS 52092-29-2)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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