Methyl 5-methylisoxazole-3-carboxylate CAS 19788-35-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 19788-35-3 |
| Molecular Formula | C6H7NO3 |
| Molecular Weight | 141.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-methylisoxazole-3-carboxylate (CAS 19788-35-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H7NO3. Molecular weight: 141.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H7NO3 |
| Molecular Weight | 141.12 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
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- Methyl 3-Methylisoxazole-4-carboxylate (CAS 92234-50-9)
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Recommended Standards
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