5-Benzyl-3-(4-chlorophenyl)-1,2,4-oxadiazole CAS 21614-49-3
| CAS No. | 21614-49-3 |
| Molecular Formula | C15H11ClN2O |
| Molecular Weight | 270.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-Benzyl-3-(4-chlorophenyl)-1,2,4-oxadiazole (CAS 21614-49-3), molecular formula C15H11ClN2O and molecular weight 270.71 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Benzyl-3-(4-chlorophenyl)-1,2,4-oxadiazole (C15H11ClN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 270.71 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 5-Benzyl-3-(4-chlorophenyl)-1,2,4-oxadiazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H11ClN2O |
| Molecular Weight | 270.71 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Benzyl Standards
- 2-(3-Chlorophenyl)-5-phenyl-2,4-dihydro-3H-pyrazol-3-one (CAS 108124-77-2)
- 4-(4-(2-Chlorophenyl)oxazol-2-yl)aniline (CAS 1211594-43-2)
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Recommended Standards
- 5-(4-Chlorophenyl)-3-(4-methylphenyl)-1,2,4-oxadiazole (CAS 72094-29-2)
- 5-Chloro-1,2-diphenyl-1H-pyrazol-3(2H)-one (CAS 37585-37-8)
- 5-(2-Chlorophenyl)-2-oxo-2,3-dihydro-1H-1,4-benzodiazepine (CAS 3022-68-2)
- 5-Chloro-2-(p-tolyl)quinazolin-4(1H)-one (CAS 83800-91-3)
- tert-Butyl (5-iodo-1,3,4-thiadiazol-2-yl)carbamate (CAS 1936149-11-9)
- 3-Methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic Acid (CAS 1118787-14-6)
- tert-Butyl (2-(2-(2-(2-oxoethoxy)ethoxy)ethoxy)ethyl)carbamate (CAS 2253965-06-7)
- N1-(Isoxazol-3-yl)-N2-(2-methoxybenzyl)oxalamide (CAS 899743-92-1)
- 2-Chloro-5-hydroxypyridine-3-carbonitrile (CAS 74650-75-2)
- 2-(4-Bromo-3-nitro-1H-pyrazol-1-yl)-N,N-dimethylacetamide (CAS 1241283-38-4)
- Methyl 6-bromo-4-fluoro-1h-indole-2-carboxylate (CAS 926249-89-0)
- Methyl 6-amino-3-bromo-2-methylbenzoate (CAS 573692-58-7)
- 6-Methyl-2-(5-methylthiophen-2-yl)pyrimidin-4-amine (CAS 1248316-07-5)
- Neuroendocrine Regulatory Peptide-1 (human) (H-6622.1000) (CAS 954420-50-9)
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