1-[(2E)-4-Chlorobut-2-en-1-yl]-2,3-dihydro-1H-indole-2,3-dione CAS 866152-33-2
| CAS No. | 866152-33-2 |
| Molecular Formula | C12H10ClNO2 |
| Molecular Weight | 235.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-[(2E)-4-Chlorobut-2-en-1-yl]-2,3-dihydro-1H-indole-2,3-dione is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 1-[(2E)-4-Chlorobut-2-en-1-yl]-2,3-dihydro-1H-indole-2,3-dione (CAS 866152-33-2), a certified reference material (molecular formula C12H10ClNO2, MW 235.67 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H10ClNO2, 1-[(2E)-4-Chlorobut-2-en-1-yl]-2,3-dihydro-1H-indole-2,3-dione contains a nitrogen-containing heterocyclic scaffold, 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 235.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 1-[(2E)-4-Chlorobut-2-en-1-yl]-2,3-dihydro-1H-indole-2,3-dione 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.
Physical & Chemical Properties
| Molecular Formula | C12H10ClNO2 |
| Molecular Weight | 235.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related E Standards
- 2-(4-Chlorobut-2-en-1-yl)isoindoline-1,3-dione (CAS 31645-84-8)
- 1-(3-Chlorobut-3-en-1-yl)-3-(trifluoromethyl)benzene (CAS 951889-39-7)
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- 2-(4-Chlorobut-2-yn-1-yl)-2,3-dihydro-1h-isoindole-1,3-dione (CAS 4819-69-6)
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Why CATO?
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