gamma-Oxo-a-methyl-2-dibenzothiophenebutyric acid CAS 26139-07-1
| CAS No. | 26139-07-1 |
| Molecular Formula | C17H14O3S |
| Molecular Weight | 298.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
gamma-Oxo-a-methyl-2-dibenzothiophenebutyric acid (CAS 26139-07-1), molecular formula C17H14O3S and molecular weight 298.36 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H14O3S, gamma-Oxo-a-methyl-2-dibenzothiophenebutyric acid contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 298.36 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C17H14O3S |
| Molecular Weight | 298.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Sulfur Atoms | 1 |
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Why CATO?
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