Methyl 2-((2-(5-chlorothiophen-2-yl)-2-oxoethyl)thio)acetate CAS 1154733-75-1
| CAS No. | 1154733-75-1 |
| Molecular Formula | C9H9ClO3S2 |
| Molecular Weight | 264.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H9ClO3S2, Methyl 2-((2-(5-chlorothiophen-2-yl)-2-oxoethyl)thio)acetate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 264.75 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).
CATO supplies Methyl 2-((2-(5-chlorothiophen-2-yl)-2-oxoethyl)thio)acetate (CAS 1154733-75-1), a certified reference material (molecular formula C9H9ClO3S2, MW 264.75 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), Methyl 2-((2-(5-chlorothiophen-2-yl)-2-oxoethyl)thio)acetate 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 | C9H9ClO3S2 |
| Molecular Weight | 264.75 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
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- N-(5-Acetyl-4-methyl-1,3-thiazol-2-yl)acetamide (CAS 39884-12-3)
- 2-((Trimethylsilyl)ethynyl)pyridin-3-ol (CAS 556832-92-9)
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- 2-(4-(Tert-butyl)phenoxy)-1-(4-chlorophenyl)ethan-1-one (CAS 338400-73-0)
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- Ethyl 2-(5-bromo-1H-indol-1-yl)acetate (CAS 726174-45-4)
- Ethyl 3-methylimidazo[1,5-a]pyridine-7-carboxylate (CAS 1330755-50-4)
- 4-Aminophenylether (CAS 101-80-4)
- Relugolix Impurity 104 (CAS CATO-C4X-2429104)
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