6,6-Dimethyl-3-(methylsulfonyl)-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylic acid CAS 873189-09-4
| CAS No. | 873189-09-4 |
| Molecular Formula | C12H14O5S2 |
| Molecular Weight | 302.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6,6-Dimethyl-3-(methylsulfonyl)-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylic acid (CAS 873189-09-4), a certified reference material (molecular formula C12H14O5S2, MW 302.37 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H14O5S2, 6,6-Dimethyl-3-(methylsulfonyl)-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylic acid 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 302.37 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.
As a certified reference material (CRM), 6,6-Dimethyl-3-(methylsulfonyl)-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylic acid 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 | C12H14O5S2 |
| Molecular Weight | 302.37 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 2 |
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