| CAS No. | 1164537-25-0 |
| Molecular Formula | C14H10OS2 |
| Molecular Weight | 258.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of (5Z)-5-(Phenylmethylidene)-4H,5H,6H-thieno[2,3-b]thiopyran-4-one is closely related to sulfur-containing functionality, a hydroxyl group, an ether linkage, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies (5Z)-5-(Phenylmethylidene)-4H,5H,6H-thieno[2,3-b]thiopyran-4-one (CAS 1164537-25-0), a certified reference material (molecular formula C14H10OS2, MW 258.36 g/mol) for analytical method development and quality control.
Structurally, (5Z)-5-(Phenylmethylidene)-4H,5H,6H-thieno[2,3-b]thiopyran-4-one (C14H10OS2) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 258.36 g/mol, it falls into the medium-molecular-weight range. 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).
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-(Phenylmethylidene)-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.
| Molecular Formula | C14H10OS2 |
| Molecular Weight | 258.36 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Sulfur Atoms | 2 |