Ethyl 2-(tosyloxy)propanoate CAS 33798-77-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33798-77-5 |
| Molecular Formula | C12H16O5S |
| Molecular Weight | 272.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-(tosyloxy)propanoate (CAS 33798-77-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H16O5S. Molecular weight: 272.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H16O5S |
| Molecular Weight | 272.32 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- Methyl 2-(tosyloxy)butanoate (CAS 118921-64-5)
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- Ethyl 2-(tosyloxy)acetate (CAS 39794-75-7)
- Methyl 2-(tosyloxy)propanoate (CAS 66648-29-1)
- 3-(2-(Tosyloxy)ethoxy)propanoic acid (CAS 2111895-60-2)
- (Tosyloxy)carbonimidoyl dicyanide (CAS 20893-01-0)
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- 1-(Tosyloxy)-3-butanol (CAS 59744-08-0)
Recommended Standards
- Ethyl 2-(tert-butoxycarbonylamino)thiazole-5-carboxylate (CAS 302964-01-8)
- Ethyl 2-[(4,5-dimethoxypyrimidin-2-yl)sulfanyl]propanoate (CAS 866017-27-8)
- Ethyl 2-(1H-pyrrol-1-yl)benzo[d]thiazole-6-carboxylate (CAS 289651-81-6)
- N-3-Butyn-1-yl-2,2,2-trifluoroacetamide (CAS 669776-70-9)
- (2R,5R)-Ethyl 5-hydroxytetrahydrofuran-2-carboxylate (CAS 147058-30-8)
- 1-(Bromomethyl)-4-(tert-butyl)-1-propoxycyclohexane (CAS 1342679-19-9)
- 3-Bromo-5-(trifluoromethyl)benzene-1,2-diamine (CAS 113170-72-2)
- Methyl 1,3-dimethyl-6-(pyridin-3-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1011397-76-4)
- 2,5-Bis(heptyloxy)terephthalaldehyde (CAS 206762-48-3)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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