| CAS No. | 857972-83-9 |
| Molecular Formula | C9H12O2S |
| Molecular Weight | 184.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 184.26 g/mol gives 3-(5-Ethylthiophen-2-yl)propanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(5-Ethylthiophen-2-yl)propanoic acid (CAS 857972-83-9), molecular formula C9H12O2S and molecular weight 184.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H12O2S, 3-(5-Ethylthiophen-2-yl)propanoic acid 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 184.26 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.
CATO manufactures 3-(5-Ethylthiophen-2-yl)propanoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C9H12O2S |
| Molecular Weight | 184.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |