Ethyl 3-(5-methylthiophen-2-yl)-3-oxopropanoate CAS 224319-23-7
| CAS No. | 224319-23-7 |
| Molecular Formula | C10H12O3S |
| Molecular Weight | 212.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Ethyl 3-(5-methylthiophen-2-yl)-3-oxopropanoate (CAS 224319-23-7), molecular formula C10H12O3S and molecular weight 212.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H12O3S, Ethyl 3-(5-methylthiophen-2-yl)-3-oxopropanoate 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 212.27 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).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H12O3S |
| Molecular Weight | 212.27 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2021 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 5-(5-Methylthiophen-2-yl)-5-oxopentanoic acid (CAS 41042-93-7)
- Ethyl 3-(3-methylthiophen-2-yl)-3-oxopropanoate (CAS 250375-44-1)
- Methyl 4-(5-methylthiophen-2-yl)-4-oxobutanoate (CAS 22988-51-8)
- n-(2-(((5-Methylthiophen-2-yl)methyl)amino)ethyl)acetamide (CAS 1042626-27-6)
- 2-(Methyl((3-methylthiophen-2-yl)methyl)amino)propanamide (CAS 1355457-36-1)
- n-(1-(3-Methylthiophen-2-yl)ethyl)pentan-1-amine (CAS 1341580-48-0)
- n-((5-Methylthiophen-2-yl)methyl)hexan-1-amine (CAS 869944-87-6)
- N-((3-methylthiophen-2-yl)methyl)tetrahydro-2H-pyran-4-amine (CAS 1153227-82-7)
Recommended Standards
- Ethyl 3-oxo-4-(thiophen-2-yl)butanoate (CAS 86728-40-7)
- Ethyl 2-[(prop-2-en-1-yl)amino]-1,3-thiazole-4-carboxylate (CAS 5924-08-3)
- Ethyl 4-Methyl-2-(methylthio)-5-pyrimidinecarboxylate (CAS 7234-25-5)
- Ethyl 2-(pyrazin-2-ylthio)propanoate (CAS 866042-21-9)
- Diallyl carbonate (CAS 15022-08-9)
- 2-Amino-5-(methylsulfonyl)-4-(m-tolyl)thiophene-3-carbonitrile (CAS 1708269-24-2)
- 2-Fluoro-4-(methylthio)benzoic acid (CAS 57319-21-8)
- 2-Amino-3-(2,4-difluorophenoxy)propanenitrile (CAS 1082427-11-9)
- 1-(2-Methylbenzyl)piperidin-3-ol (CAS 148729-37-7)
- 5-Chloro-1-(4-chlorobenzyl)-N-(2-(dimethylamino)ethyl)-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 338981-11-6)
- 4-Chloroisoxazolo[4,5-c]pyridin-3-amine (CAS 1242515-54-3)
- Acid Orange 6 (CAS 547-57-9)
- 2-(Pentan-2-yl)-1H-benzo[d]imidazole (CAS 152876-70-5)
- Insulin Lispro (CAS 133107-64-9)
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