1-Phenyl-2-(9H-thioxanthen-9-ylidene)ethan-1-one CAS 178753-74-7
| CAS No. | 178753-74-7 |
| Molecular Formula | C21H14OS |
| Molecular Weight | 314.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Phenyl-2-(9H-thioxanthen-9-ylidene)ethan-1-one (C21H14OS) 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 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).
1-Phenyl-2-(9H-thioxanthen-9-ylidene)ethan-1-one (CAS 178753-74-7) is a high-purity analytical reference standard with the molecular formula C21H14OS and a molecular weight of 314.40 g/mol.
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), 1-Phenyl-2-(9H-thioxanthen-9-ylidene)ethan-1-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 | C21H14OS |
| Molecular Weight | 314.40 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Sulfur Atoms | 1 |
Recommended Standards
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