3-(4-Chlorophenyl)isoxazol-5-amine CAS 33866-48-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33866-48-7 |
| Molecular Formula | C9H7ClN2O |
| Molecular Weight | 194.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Chlorophenyl)isoxazol-5-amine (CAS 33866-48-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7ClN2O. Molecular weight: 194.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7ClN2O |
| Molecular Weight | 194.62 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.) | 1966 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 1-(3-Chlorophenyl)-2,3-dihydro-1h-imidazol-2-one (CAS 109130-25-8)
- 5-(2-Chlorophenyl)-3-methyl-1,2,4-oxadiazole (CAS 1120271-16-0)
- 1-(2-Chlorophenyl)-1h-1,2,4-triazol-5-amine (CAS 1247575-06-9)
- 4-(2-Chlorophenyl)-1,3-oxazol-2-amine (CAS 1248965-63-0)
- 5-(4-Chlorophenyl)oxazol-2(3h)-imine (CAS 13576-51-7)
- 5-[(4-chlorophenyl)methyl]-2h-1,2,3,4-tetrazole (CAS 14064-61-0)
- 5-(3-Chlorophenyl)-1,2-oxazol-3-amine (CAS 1480388-66-6)
- 5-(3-Chlorophenyl)-4h-1,2,4-triazol-3-amine (CAS 168893-31-0)
Recommended Standards
- 3-(4-Chlorophenyl)-5-methyl-1,2,4-oxadiazole (CAS 21614-47-1)
- 3-(Chloromethyl)quinazolin-4(3H)-one (CAS 99067-49-9)
- 3-(2-Chlorophenyl)-4,5-dihydro-1h-pyrazol-5-one (CAS 60578-85-0)
- Tetramethylphosphonium bromide (CAS 4519-28-2)
- Methyl 2-(1,5-dimethyl-1H-pyrazol-4-yl)acetate (CAS 1856974-56-5)
- 3-((4-Fluorophenyl)thio)-N-(5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl)propanamide (CAS 1251631-89-6)
- 1-[(2-Methylbenzyl)sulfonyl]piperidine-4-carboxylic acid (CAS 1858249-74-7)
- 3-Amino-N-(5-chloro-2-methylphenyl)-4-(trifluoromethyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 626227-74-5)
- Naproxen Impurity N1 (CAS 27602-75-1)
- Semaglutide impurity 59 (CAS CATO-C4X-222659)
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