| CAS No. | 1622-55-5 |
| Molecular Formula | C13H10OS |
| Molecular Weight | 214.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 9,10-Dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thiophen-4-one is closely related to sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
9,10-Dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thiophen-4-one (CAS 1622-55-5), molecular formula C13H10OS and molecular weight 214.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H10OS, 9,10-Dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thiophen-4-one contains sulfur-containing functionality, 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 214.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 9,10-Dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thiophen-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.
| Molecular Formula | C13H10OS |
| Molecular Weight | 214.28 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |