| CAS No. | 88696-86-0 |
| Molecular Formula | C9H8O3S |
| Molecular Weight | 196.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4-(thiophene-2-carbonyl)dihydrofuran-2(3H)-one (CAS 88696-86-0) is a high-purity analytical reference standard with the molecular formula C9H8O3S and a molecular weight of 196.22 g/mol.
Structurally, 4-(thiophene-2-carbonyl)dihydrofuran-2(3H)-one (C9H8O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 196.22 g/mol, it falls into the medium-molecular-weight range. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C9H8O3S |
| Molecular Weight | 196.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Sulfur Atoms | 1 |