4-[(5-cyclopropyl-1,2,4-oxadiazol-3-yl)methoxy]aniline hydrochloride CAS 1311316-40-1
| CAS No. | 1311316-40-1 |
| Molecular Formula | C12H13N3O2 |
| Molecular Weight | N/A |
| 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.
4-[(5-cyclopropyl-1,2,4-oxadiazol-3-yl)methoxy]aniline hydrochloride (CAS 1311316-40-1), molecular formula C12H13N3O2HCl and molecular weight 267.71 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 4-[(5-cyclopropyl-1,2,4-oxadiazol-3-yl)methoxy]aniline hydrochloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 267.71 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C12H13N3O2 HCl |
| Molecular Weight | 267.71 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 3-(2’-Chlorophenyl)coumarin (CAS 69976-30-3)
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- Plerixafor Impurity 24 (CAS 201610-16-4)
- 5-(2,4-Dimethylphenyl)isoxazole (CAS 918884-79-4)
- 2-(Difluoromethyl)-4-hydroxy-3-methyl-5-nitropyridine (CAS 1806860-01-4)
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- Neuropeptide W-23 (rat) (CAS 383415-89-2)
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