5-(1-Naphthyl)isoxazole-3-carboxylic acid CAS 1105193-50-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1105193-50-7 |
| Molecular Formula | C14H9NO3 |
| Molecular Weight | 239.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(1-Naphthyl)isoxazole-3-carboxylic acid (CAS 1105193-50-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H9NO3. Molecular weight: 239.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H9NO3 |
| Molecular Weight | 239.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-(Naphthalen-2-yl)isoxazole-3-carboxylic acid (CAS 1105193-46-1)
- 1-(2-(4-Cyanophenoxy)ethyl)-1h-1,2,4-triazole-3-carbonitrile (CAS 1111446-26-4)
- 2-(1H-Imidazol-1-yl)quinoline-4-carboxylic acid (CAS 1097093-65-6)
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- 5-Bromo-4-nitropyridine-3-thiol (CAS 1807102-34-6)
- 2-(5-Fluoro-2-methylphenyl)ethane-1-thiol (CAS 1314902-88-9)
- N-(4-Chlorophenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 618879-65-5)
- Peptide Impurity 34 (CAS 21282-09-7)
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