7-(tert-Butyl)-3,3-dimethyl-5-(thiophen-2-yl)-2,3-dihydrobenzofuran CAS 194592-43-3
| CAS No. | 194592-43-3 |
| Molecular Formula | C18H22OS |
| Molecular Weight | 286.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 286.43 g/mol gives 7-(tert-Butyl)-3,3-dimethyl-5-(thiophen-2-yl)-2,3-dihydrobenzofuran distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-(tert-Butyl)-3,3-dimethyl-5-(thiophen-2-yl)-2,3-dihydrobenzofuran (CAS 194592-43-3), molecular formula C18H22OS and molecular weight 286.43 g/mol, is a CATO reference standard with documented purity and traceability.
7-(tert-Butyl)-3,3-dimethyl-5-(thiophen-2-yl)-2,3-dihydrobenzofuran (C18H22OS) contains a steroid core, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 7-(tert-Butyl)-3,3-dimethyl-5-(thiophen-2-yl)-2,3-dihydrobenzofuran 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 | C18H22OS |
| Molecular Weight | 286.43 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2012 |
| Sulfur Atoms | 1 |
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