3-(Methylthio)-6,7-dihydrobenzo[c]thiophen-4(5H)-one CAS 168279-57-0
| CAS No. | 168279-57-0 |
| Molecular Formula | C9H10OS2 |
| Molecular Weight | 198.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(Methylthio)-6,7-dihydrobenzo[c]thiophen-4(5H)-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.
3-(Methylthio)-6,7-dihydrobenzo[c]thiophen-4(5H)-one (CAS 168279-57-0), molecular formula C9H10OS2 and molecular weight 198.31 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H10OS2, 3-(Methylthio)-6,7-dihydrobenzo[c]thiophen-4(5H)-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 198.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 3-(Methylthio)-6,7-dihydrobenzo[c]thiophen-4(5H)-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 | C9H10OS2 |
| Molecular Weight | 198.31 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.) | 2005 |
| Sulfur Atoms | 2 |
Related Methylthio Standards
- 1-(2-(Methylthio)phenyl)thiourea (CAS 59084-10-5)
- 1-(4-(Methylthio)phenyl)thiourea (CAS 65069-54-7)
- 1-[3-(Methylthio)phenyl]-2-thiourea (CAS 71205-41-9)
- 2,6-Bis(methylthio)benzaldehyde (CAS 918882-53-8)
- S-(2-(Methylthio)phenyl) ethanethioate (CAS 618101-51-2)
- 6-Methyl-2-(methylthio)-5-propylpyrimidin-4(1H)-one (CAS 59144-22-8)
- 2-(Methylthio)thieno[3,2-d]pyrimidin-4(3H)-one (CAS 176530-46-4)
- 2-(Methylthio)thieno[2,3-d]pyrimidin-4(1H)-one (CAS 309976-36-1)
Recommended Standards
- 2-((Cyclohexylmethyl)amino)-N,N-dimethylacetamide (CAS 160938-02-3)
- 8-Ethyl-1-oxa-8-azaspiro[5.5]undecan-4-amine (CAS 1706581-45-4)
- 2-methyl-3-{pyrrolo[2,1-f][1,2,4]triazin-7-yl}propan-1-amine (CAS 1557915-05-5)
- 9-Ethyl-1-oxa-9-azaspiro[5.5]undecan-4-amine (CAS 1708168-12-0)
- 4-Chloro-5-hydroxy-1H-indole-3-carbaldehyde (CAS 1227502-81-9)
- 1-Ethyl-3-formyl-1H-indole-2-carboxylic acid (CAS 78358-23-3)
- 4-(4,5-Dihydrooxazol-2-yl)phenol (CAS 81428-58-2)
- Pyrido[2,3-d]pyrimidin-4(3H)-one, 97% (CAS 24410-19-3)
- 3-((((1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)methyl)amino)methyl)phenol hydrochloride (CAS 1856084-34-8)
- 1,1'-(3,6-Dihydroxy-1,2-phenylene)bis(ethan-1-one) (CAS 39125-99-0)
- (2,6-Difluorobenzyl)(4-fluorophenyl)sulfane (CAS 1443351-41-4)
- 3,3-Dimethyl-5-vinyldihydrofuran-2(3H)-one (CAS 154033-18-8)
- Gadoteridol Impurity 27 (CAS CATO-C4X-225727)
- [Glu]17-Liraglutide (CAS CATO-C4X-199236)
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