| CAS No. | 2139283-51-3 |
| Molecular Formula | C13H8O3S |
| Molecular Weight | 244.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (Z)-6-Hydroxy-2-(thiophen-2-ylmethylene)benzofuran-3(2H)-one.
(Z)-6-Hydroxy-2-(thiophen-2-ylmethylene)benzofuran-3(2H)-one (CAS 2139283-51-3) is a high-purity analytical reference standard with the molecular formula C13H8O3S and a molecular weight of 244.27 g/mol.
Based on its molecular formula C13H8O3S, (Z)-6-Hydroxy-2-(thiophen-2-ylmethylene)benzofuran-3(2H)-one contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 244.27 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.
As a certified reference material (CRM), (Z)-6-Hydroxy-2-(thiophen-2-ylmethylene)benzofuran-3(2H)-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 | C13H8O3S |
| Molecular Weight | 244.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Sulfur Atoms | 1 |