3-Isothiocyanato-5-methylisoxazole CAS 321309-33-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321309-33-5 |
| Molecular Formula | C5H4N2OS |
| Molecular Weight | 140.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Isothiocyanato-5-methylisoxazole (CAS 321309-33-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H4N2OS. Molecular weight: 140.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H4N2OS |
| Molecular Weight | 140.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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