4-(4-Chlorophenyl)-2-((4-chlorophenyl)thio)-4-oxobutanoic acid CAS 301193-87-3
| CAS No. | 301193-87-3 |
| Molecular Formula | C16H12Cl2O3S |
| Molecular Weight | 355.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(4-Chlorophenyl)-2-((4-chlorophenyl)thio)-4-oxobutanoic acid (CAS 301193-87-3) is a high-purity analytical reference standard with the molecular formula C16H12Cl2O3S and a molecular weight of 355.24 g/mol.
Based on its molecular formula C16H12Cl2O3S, 4-(4-Chlorophenyl)-2-((4-chlorophenyl)thio)-4-oxobutanoic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 355.24 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.
As a certified reference material (CRM), 4-(4-Chlorophenyl)-2-((4-chlorophenyl)thio)-4-oxobutanoic acid 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 | C16H12Cl2O3S |
| Molecular Weight | 355.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-(4-(Pyridin-4-ylmethyl)-1H-imidazol-5-yl)ethanamine (CAS 769912-44-9)
- Des-Ile12-Aib13-Tirzepatide (CAS CATO-CPTD788960)
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