4,5,6,7-Tetrahydro-2-benzothiophen-5-one CAS 117040-68-3
| CAS No. | 117040-68-3 |
| Molecular Formula | C8H8OS |
| Molecular Weight | 152.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,5,6,7-Tetrahydro-2-benzothiophen-5-one (CAS 117040-68-3), a certified reference material (molecular formula C8H8OS, MW 152.21 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H8OS, 4,5,6,7-Tetrahydro-2-benzothiophen-5-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 152.21 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4,5,6,7-Tetrahydro-2-benzothiophen-5-one 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 | C8H8OS |
| Molecular Weight | 152.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Sulfur Atoms | 1 |
Related Tetrahydro Standards
- 4,5,6,7-Tetrahydro-1-benzothiophen-6-one (CAS 117040-67-2)
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- 3-Methyl-6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a][1,3]diazepine (CAS 1365969-24-9)
- (5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyridin-6-yl)methanamine (CAS 1375474-67-1)
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Recommended Standards
- 1-(4-Vinylthiophen-2-yl)ethanone (CAS 1202769-51-4)
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- Thiamine Impurity 36 (CAS 408352-65-8)
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- 8-Fluoroisoquinoline (CAS 1075-00-9)
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Why CATO?
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