(5Z)-5-{[3-(trifluoromethyl)phenyl]methylidene}-4H,5H,6H-thieno[2,3-b]thiopyran-4-one CAS 478246-98-9
| CAS No. | 478246-98-9 |
| Molecular Formula | C15H9F3OS2 |
| Molecular Weight | 326.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system, (5Z)-5-{[3-(trifluoromethyl)phenyl]methylidene}-4H,5H,6H-thieno[2,3-b]thiopyran-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 326.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies (5Z)-5-{[3-(trifluoromethyl)phenyl]methylidene}-4H,5H,6H-thieno[2,3-b]thiopyran-4-one (CAS 478246-98-9), a certified reference material (molecular formula C15H9F3OS2, MW 326.36 g/mol) for analytical method development and quality control.
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), (5Z)-5-{[3-(trifluoromethyl)phenyl]methylidene}-4H,5H,6H-thieno[2,3-b]thiopyran-4-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 | C15H9F3OS2 |
| Molecular Weight | 326.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
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