4-(Ethylthio)-5-methylisoxazol-3(2H)-one CAS 107403-19-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 107403-19-0 |
| Molecular Formula | C6H9NO2S |
| Molecular Weight | 159.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Ethylthio)-5-methylisoxazol-3(2H)-one (CAS 107403-19-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H9NO2S. Molecular weight: 159.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H9NO2S |
| Molecular Weight | 159.21 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.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethylthio Standards
- 1-(Ethylthio)pyrrolidine-2,5-dione (CAS 42839-22-5)
- 5-((Ethylthio)methyl)isoxazol-3(2H)-one (CAS 89660-63-9)
- 2-(Ethylthio)-4-methylthiazole (CAS 5316-68-7)
- 3-((Ethylthio)methyl)piperidine (CAS 1248515-68-5)
- 4-((Ethylthio)methyl)piperidine (CAS 1249157-25-2)
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- 2-(Ethylthio)-5-methylthiophene (CAS 6522-11-8)
- (S)-2-((Ethylthio)methyl)furan-3(2H)-one (CAS 92544-23-5)
Recommended Standards
- rel-((3aS,6aR)-6a-Fluorooctahydrocyclopenta[c]pyrrol-3a-yl)methanol (CAS 2696257-96-0)
- (4-Methyl-5-(methylthio)-4H-1,2,4-triazol-3-yl)methanol (CAS 1092279-07-6)
- 6-fluoro-3-methyl-1H-pyrazolo[3,4-b]pyridine (CAS 920036-28-8)
- 2,4-Dibromo-butyric acid (CAS 63164-16-9)
- Benzo[d][1,3]dioxole-5,6-diol (CAS 21505-20-4)
- 3-Fluoro-7-iodoisoquinoline (CAS 2386041-92-3)
- 5-(4-Hydroxy-3-methoxyphenyl)-1h-pyrazole-3-carboxylic acid (CAS 1229025-28-8)
- 2-Bromo-1-(4-hydroxy-2-methylphenyl)ethanone (CAS 41877-16-1)
- 5-FLuoro-2-(4-methoxyphenyl)pyridine hydrochloride (CAS 2108982-23-4)
- (D-His1)-Exenatide trifluoroacetate salt (CAS 1678417-09-8)
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