(5Z)-5-[(3,4-Difluorophenyl)methylidene]-4H,5H,6H-thieno[2,3-b]thiopyran-4-one CAS 1164519-74-7
| CAS No. | 1164519-74-7 |
| Molecular Formula | C14H8F2OS2 |
| Molecular Weight | 294.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (5Z)-5-[(3,4-Difluorophenyl)methylidene]-4H,5H,6H-thieno[2,3-b]thiopyran-4-one is closely related to sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies (5Z)-5-[(3,4-Difluorophenyl)methylidene]-4H,5H,6H-thieno[2,3-b]thiopyran-4-one (CAS 1164519-74-7), a certified reference material (molecular formula C14H8F2OS2, MW 294.34 g/mol) for analytical method development and quality control.
Based on its molecular formula C14H8F2OS2, (5Z)-5-[(3,4-Difluorophenyl)methylidene]-4H,5H,6H-thieno[2,3-b]thiopyran-4-one contains sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 294.34 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.
CATO manufactures (5Z)-5-[(3,4-Difluorophenyl)methylidene]-4H,5H,6H-thieno[2,3-b]thiopyran-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H8F2OS2 |
| Molecular Weight | 294.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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.) | 1989 |
| Halogen Content | F-containing |
| Sulfur Atoms | 2 |
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