| CAS No. | 329702-32-1 |
| Molecular Formula | C20H12Cl2O3S |
| Molecular Weight | 403.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(E)-4-(3-(3,4-dichlorophenyl)-3-oxoprop-1-en-1-yl)phenyl thiophene-2-carboxylate (CAS 329702-32-1) is a high-purity analytical reference standard with the molecular formula C20H12Cl2O3S and a molecular weight of 403.28 g/mol.
Based on its molecular formula C20H12Cl2O3S, (E)-4-(3-(3,4-dichlorophenyl)-3-oxoprop-1-en-1-yl)phenyl thiophene-2-carboxylate contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 403.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 (E)-4-(3-(3,4-dichlorophenyl)-3-oxoprop-1-en-1-yl)phenyl thiophene-2-carboxylate 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 | C20H12Cl2O3S |
| Molecular Weight | 403.28 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |