3-[2-[4-(2-Chloroethyl)phenyl]-2-oxoethylidene]-1,3-dihydro-2H-indol-2-one CAS 317842-32-3
| CAS No. | 317842-32-3 |
| Molecular Formula | C18H14ClNO2 |
| Molecular Weight | 311.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-[2-[4-(2-Chloroethyl)phenyl]-2-oxoethylidene]-1,3-dihydro-2H-indol-2-one 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.
CATO supplies 3-[2-[4-(2-Chloroethyl)phenyl]-2-oxoethylidene]-1,3-dihydro-2H-indol-2-one (CAS 317842-32-3), a certified reference material (molecular formula C18H14ClNO2, MW 311.76 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H14ClNO2, 3-[2-[4-(2-Chloroethyl)phenyl]-2-oxoethylidene]-1,3-dihydro-2H-indol-2-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 311.76 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.
Physical & Chemical Properties
| Molecular Formula | C18H14ClNO2 |
| Molecular Weight | 311.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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- 3-Fluoro-4-((tetrahydro-2H-pyran-4-yl)oxy)benzoic acid (CAS 1402232-54-5)
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- 5-Methylbenzofuran-2-carboxylic Acid (CAS 10242-09-8)
- D-β-Asp15-Tirzepatide (CAS CATO-CPTD788930)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com