5-Chloro-3-ethyl-1,2,4-oxadiazole CAS 1250086-72-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1250086-72-6 |
| Molecular Formula | C4H5ClN2O |
| Molecular Weight | 132.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-3-ethyl-1,2,4-oxadiazole (CAS 1250086-72-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5ClN2O. Molecular weight: 132.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5ClN2O |
| Molecular Weight | 132.55 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- (2-Chloro-1H-imidazol-5-yl)methanol (CAS 1067894-58-9)
- 3-Chloro-5-ethyl-1,2,4-oxadiazole (CAS 1256643-47-6)
- (5-Chloro-1H-pyrazol-3-yl)methanol (CAS 1258002-28-6)
- 2-Chloro-5-ethyl-1,3,4-oxadiazole (CAS 1368394-17-5)
- 4-Chloro-3-methylisoxazol-5-amine (CAS 166964-09-6)
- 4-Chloro-2-methyl-1H-pyrazol-3(2H)-one (CAS 185451-44-9)
- (4-Chloro-1h-pyrazol-1-yl)methanol (CAS 80199-86-6)
- 2-Chloro-n-(cyanomethyl)acetamide (CAS 20301-57-9)
Recommended Standards
- 2-(1-Chloroethyl)-1,3,4-oxadiazole (CAS 1250037-50-3)
- 5-(1-chloroethyl)-1,2,4-oxadiazole (CAS 1249702-53-1)
- 5-(Chloromethyl)-3-methyl-1,2,4-oxadiazole (CAS 1192-81-0)
- 1-(3,4-Dimethoxyphenyl)cyclopropanemethanamine (CAS 927993-35-9)
- (2E)-3-(2,4-Dichlorophenyl)-3-oxo-2-(2-phenylhydrazin-1-ylidene)propanal (CAS 338414-48-5)
- (+/-)-Citramalicacidsodiumsalt (CAS 102601-31-0)
- 5-(((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)methyl)-4-phenyl-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 1023875-59-3)
- 3-Methyl-1,2,4-thiadiazole-5-carbohydrazide (CAS 1375066-73-1)
- tert-Butyl (S)-2-((S)-1,2-dihydroxyethyl)morpholine-4-carboxylate (CAS 2137073-66-4)
- [D-Phe22]Semaglutide (CAS CATO-C4X-2226222)
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