3-Methylisoxazol-4-ol CAS 515144-79-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 515144-79-3 |
| Molecular Formula | C4H5NO2 |
| Molecular Weight | 99.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-Methylisoxazol-4-ol (CAS 515144-79-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5NO2. Molecular weight: 99.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5NO2 |
| Molecular Weight | 99.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
Related Methylisoxazol Standards
Recommended Standards
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- 3-Methyl-1,2,4-oxadiazol-5-amine (CAS 3663-39-6)
- 4-Amino-1H-imidazol-1-ol (CAS 927416-67-9)
- 6-Cyano-4-hydroxyquinoline-3-carboxylic acid (CAS 228728-20-9)
- N-(5-Amino-3,6-dicyanopyrazin-2-yl)formamide (CAS 150307-31-6)
- pyrazolo[1,5-a]pyridine-5-sulfonyl chloride (CAS 1610612-89-9)
- {2-[(4-bromophenyl)sulfanyl]pyridin-3-yl}methyl N-(3,5-dichlorophenyl)carbamate (CAS 478031-19-5)
- n-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)formamide (CAS 480424-94-0)
- N-(5-tert-butylisoxazol-3-yl)propanamide (CAS 74011-62-4)
- Des-His(1)-Semaglutide (CAS CATO-C4X-2226216)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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