3-(2-Chloro-5-fluorophenyl)-5-(chloromethyl)-1,2,4-oxadiazole CAS 1956364-52-5
| CAS No. | 1956364-52-5 |
| Molecular Formula | C9H5Cl2FN2O |
| Molecular Weight | 247.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-(2-Chloro-5-fluorophenyl)-5-(chloromethyl)-1,2,4-oxadiazole (C9H5Cl2FN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 247.05 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-(2-Chloro-5-fluorophenyl)-5-(chloromethyl)-1,2,4-oxadiazole (CAS 1956364-52-5), molecular formula C9H5Cl2FN2O and molecular weight 247.05 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-(2-Chloro-5-fluorophenyl)-5-(chloromethyl)-1,2,4-oxadiazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H5Cl2FN2O |
| Molecular Weight | 247.05 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.) | 1996 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 5-(4-chloro-2-fluorophenyl)-3-(chloromethyl)-1,2,4-oxadiazole (CAS 1152498-93-5)
- 2-Chloro-3,6-difluorobenzenesulfonyl chloride (CAS 1208074-71-8)
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Recommended Standards
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