Benzo[b]thiophene-2,6-dicarboxylic acid 2-ethyl ester CAS 850074-43-0
| CAS No. | 850074-43-0 |
| Molecular Formula | C12H10O4S |
| Molecular Weight | 250.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H10O4S, Benzo[b]thiophene-2,6-dicarboxylic acid 2-ethyl ester 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 250.27 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.
CATO supplies Benzo[b]thiophene-2,6-dicarboxylic acid 2-ethyl ester (CAS 850074-43-0), a certified reference material (molecular formula C12H10O4S, MW 250.27 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), Benzo[b]thiophene-2,6-dicarboxylic acid 2-ethyl ester 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.
Physical & Chemical Properties
| Molecular Formula | C12H10O4S |
| Molecular Weight | 250.27 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- (5,7-Dibromobenzofuran-2-yl)(phenyl)methanone (CAS 75630-71-6)
- (3S,4R,5S)-Tert-Butyl 4-(((benzyloxy)carbonyl)amino)-3-hydroxy-5-methylheptanoate (CAS 2381040-37-3)
- 4-Chlorobenzo[b]thiophene-2-carbonitrile (CAS 1378942-33-6)
- 5-Chloro-N-[2-(1,3-dimethylbutyl)phenyl]-1,3-dimethyl-1H-pyrazole-4-carboxamide (CAS 879882-76-5)
- 6-(Benzyloxy)-4-oxo-1,4-dihydroquinoline-2-carboxylic acid (CAS 929028-75-1)
- 1H-[1,2,3]Triazolo[4,5-b]pyridin-6-ol (CAS 137326-91-1)
- Ethyl 2-(ethylamino)butanoate (CAS 874525-99-2)
- Perfluoro-4-methyl-3,6-dioxaoctane (CAS 95842-03-8)
- N-Methyl-N-[4-(morpholin-4-ylsulfonyl)benzoyl]glycine (CAS 620103-27-7)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
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