Methyl 2-(tosyloxy)propanoate CAS 66648-29-1
| CAS No. | 66648-29-1 |
| Molecular Formula | C11H14O5S |
| Molecular Weight | 258.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Methyl 2-(tosyloxy)propanoate (CAS 66648-29-1), molecular formula C11H14O5S and molecular weight 258.29 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H14O5S, Methyl 2-(tosyloxy)propanoate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 258.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures Methyl 2-(tosyloxy)propanoate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H14O5S |
| Molecular Weight | 258.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1976 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- Ethyl 2-(tosyloxy)acetate (CAS 39794-75-7)
- (Tosyloxy)carbonimidoyl dicyanide (CAS 20893-01-0)
- 1-(Tosyloxy)-3-butanol (CAS 59744-08-0)
- Methyl 2-(tosyloxy)butanoate (CAS 118921-64-5)
- Ethyl 2-(tosyloxy)propanoate (CAS 33798-77-5)
- (S)-2-(Tosyloxy)propanoic acid (CAS 70836-98-5)
- (R)-2-(Tosyloxy)propanoic Acid (CAS 130368-69-3)
- Methyl 1-((tosyloxy)methyl)cyclopropane-1-carboxylate (CAS 2250242-93-2)
Recommended Standards
- Methyl 2-(Boc-amino)thiazole-4-carboxylate (CAS 850429-62-8)
- Methyl 2-{[(tert-butoxy)carbonyl]amino}-1,3-thiazole-5-carboxylate (CAS 745078-03-9)
- Methyl (S)-2-(tosyloxy)propanoate (CAS 71283-66-4)
- Methyl 3-[(1-ethoxy-1-oxopropan-2-yl)oxy]thiophene-2-carboxylate (CAS 866009-07-6)
- Gusperimus Trihydrochloride (CAS 85468-01-5)
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- rac-Dapoxetine HCL (CAS 1071929-03-7)
- 3-(Hydroxymethyl)tetrahydrofuran (CAS 15833-61-1)
- 4-Iodo-3-methylpyridin-2(1H)-one (CAS 1227571-05-2)
- 1-Phenylisoquinolin-3(2H)-one (CAS 23832-72-6)
- 2-Phenyl-1H-indole-3-carbaldehyde (CAS 25365-71-3)
- (1-(tert-butoxycarbonyl)-5-(2-morpholinoethoxy)-1H-indol-2-yl)boronic acid (CAS 913388-60-0)
- 9-(Naphthalen-1-yl)-10-(naphthalen-2-yl)anthracene (CAS 855828-36-3)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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