7-Chlorobenzo[d]isoxazole CAS 65685-54-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 65685-54-3 |
| Molecular Formula | C7H4ClNO |
| Molecular Weight | 153.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chlorobenzo[d]isoxazole (CAS 65685-54-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4ClNO. Molecular weight: 153.57 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4ClNO |
| Molecular Weight | 153.57 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorobenzo Standards
- 4-Chlorobenzo[d]isoxazole (CAS 1260783-81-0)
- 6-Chlorobenzo[c]isoxazole (CAS 14313-60-1)
- 4-Chlorobenzo[c]isoxazole (CAS 150079-72-4)
- 4-Chlorobenzo[d]oxazole (CAS 943443-12-7)
- 5-Chlorobenzo[c]isoxazole (CAS 4596-92-3)
- 5-Chlorobenzo[d]isoxazole (CAS 39900-62-4)
- 6-Chlorobenzo[d]isoxazole (CAS 39835-07-9)
- 6-Chlorobenzo[d]oxazole (CAS 227197-72-0)
Recommended Standards
- 7-Chloro-1H-pyrazolo[3,4-c]pyridine (CAS 76006-11-6)
- 7-Chlorofuro[2,3-c]pyridine (CAS 84400-99-7)
- 7-Chloro-1H-benzo[d][1,2,3]triazole (CAS 67130-04-5)
- 4,4,5,5-Tetramethyl-2-(6,6,6-trifluoro-5-phenylhex-3-en-1-yl)-1,3,2-dioxaborolane (CAS 2707491-09-4)
- 6-Methylquinazolin-2-amine (CAS 1687-52-1)
- 1-[1-(4-Methoxy-3-methylphenyl)-1,3,4,9-tetrahydro-2H-beta-carbolin-2-yl]-2-butyn-1-one (CAS 1060525-47-4)
- 5-(Aminomethyl)-2,2-dimethyloctan-4-ol (CAS 1541868-33-0)
- Butyl 2-chloroisonicotinate (CAS 898784-86-6)
- 2-Oxo-2-{2-[2-(1H-1,2,4-triazol-1-yl)ethanimidoyl]hydrazino}-N-[4-(trifluoromethoxy)phenyl]acetamide (CAS 338405-27-9)
- Semaglutide Impurity 146 (CAS 2645421-68-5)
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