| CAS No. | 40133-07-1 |
| Molecular Formula | C9H10O2S |
| Molecular Weight | 182.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 182.24 g/mol gives 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic Acid (CAS 40133-07-1), a certified reference material (molecular formula C9H10O2S, MW 182.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H10O2S, 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic Acid 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 182.24 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).
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 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic Acid 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 | C9H10O2S |
| Molecular Weight | 182.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Sulfur Atoms | 1 |