4-Oxo-4-(3,4,5-trichlorothiophen-2-yl)butanoic acid CAS 97268-15-0
| CAS No. | 97268-15-0 |
| Molecular Formula | C8H5Cl3O3S |
| Molecular Weight | 287.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Oxo-4-(3,4,5-trichlorothiophen-2-yl)butanoic 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.
4-Oxo-4-(3,4,5-trichlorothiophen-2-yl)butanoic acid (CAS 97268-15-0) is a high-purity analytical reference standard with the molecular formula C8H5Cl3O3S and a molecular weight of 287.55 g/mol.
Based on its molecular formula C8H5Cl3O3S, 4-Oxo-4-(3,4,5-trichlorothiophen-2-yl)butanoic acid 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 287.55 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C8H5Cl3O3S |
| Molecular Weight | 287.55 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.) | 1984 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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