| CAS No. | 1428794-87-9 |
| Molecular Formula | C13H14O3S |
| Molecular Weight | 250.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Based on its molecular formula C13H14O3S, Methyl 3-(3-hydroxyprop-1-yn-1-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxylate 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 250.31 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.
Methyl 3-(3-hydroxyprop-1-yn-1-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxylate (CAS 1428794-87-9), molecular formula C13H14O3S and molecular weight 250.31 g/mol, is a CATO reference standard with documented purity and traceability.
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 Methyl 3-(3-hydroxyprop-1-yn-1-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxylate 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 | C13H14O3S |
| Molecular Weight | 250.31 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Sulfur Atoms | 1 |