3-Hydroxy-2-methyl-4-phenylisoxazol-5(2H)-one CAS 158664-59-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 158664-59-6 |
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-Hydroxy-2-methyl-4-phenylisoxazol-5(2H)-one (CAS 158664-59-6) pharmaceutical standards reference standard. Molecular formula: C10H9NO3. Molecular weight: 191.18 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
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- 2-(4-Hydroxy-1H-indol-5-yl)acetic acid (CAS 1368087-51-7)
Recommended Standards
- 2-((1H-indol-4-yl)oxy)acetic acid (CAS 157889-29-7)
- Ethyl furo[2,3-b]pyridine-5-carboxylate (CAS 160729-90-8)
- Methyl 7-aminobenzofuran-4-carboxylate (CAS 157252-27-2)
- N-(pyridin-3-ylmethyl)pyridin-4-amine (CAS 880878-31-9)
- 3,4-Dichloro-2,5-dihydrofuran-2-one (CAS 62674-12-8)
- 1-Chloro-2,3-difluoro-4-methylbenzene (CAS 1261737-51-2)
- 2-[4-(hydroxymethyl)phenyl]acetonitrile (CAS 144825-18-3)
- 3-(4-(Pyridin-2-yl)thiazol-2-yl)aniline (CAS 886507-85-3)
- 2-(Difluoromethyl)-6-hydroxy-3-nitro-4-(trifluoromethyl)pyridine (CAS 1805622-21-2)
- Peptide YY (3-36) (canine, mouse, porcine, rat) trifluoroacetate salt (CAS 126339-09-1)
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