1-(O-tolylthio)butan-2-one CAS 91969-65-2
| CAS No. | 91969-65-2 |
| Molecular Formula | C11H14OS |
| Molecular Weight | 194.29 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.
1-(O-tolylthio)butan-2-one (CAS 91969-65-2) is a high-purity analytical reference standard with the molecular formula C11H14OS and a molecular weight of 194.29 g/mol.
Based on its molecular formula C11H14OS, 1-(O-tolylthio)butan-2-one contains sulfur-containing functionality, 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 194.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1-(O-tolylthio)butan-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H14OS |
| Molecular Weight | 194.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Sulfur Atoms | 1 |
Related O Standards
- 3-(M-tolylthio)butan-2-one (CAS 93351-10-1)
- 3-(P-tolylthio)butan-2-one (CAS 54091-17-7)
- 4-(O-tolylthio)butan-2-one (CAS 6110-06-1)
- 4-(P-tolylthio)butan-2-one (CAS 6110-02-7)
- 4-(P-tolylthio)butan-1-ol (CAS 27975-48-0)
- 5-((p-Tolylthio)methyl)-1H-imidazole (CAS 119827-30-4)
- 2-(O-tolylthio)cyclopentan-1-one (CAS 1179171-35-7)
- 2-(M-tolylthio)cyclopentan-1-one (CAS 1249812-38-1)
Recommended Standards
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- 1-[2-(Ethylsulfanyl)phenyl]propan-2-one (CAS 2126161-27-9)
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- Semaglutide impurity 273 (CAS CATO-C4X-2226273)
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