1-(2-Chlorobenzyl)-1H-indole-2,3-dione CAS 306279-75-4
| CAS No. | 306279-75-4 |
| Molecular Formula | C15H10ClNO2 |
| Molecular Weight | 271.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(2-Chlorobenzyl)-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.
1-(2-Chlorobenzyl)-1H-indole-2,3-dione (CAS 306279-75-4), molecular formula C15H10ClNO2 and molecular weight 271.70 g/mol, is a CATO reference standard with documented purity and traceability.
1-(2-Chlorobenzyl)-1H-indole-2,3-dione (C15H10ClNO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C15H10ClNO2 |
| Molecular Weight | 271.70 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorobenzyl Standards
- 2-(4-Chlorobenzyl)isoindoline-1,3-dione (CAS 131523-32-5)
- 1-(3-chlorobenzyl)-1H-indole-2,3-dione (CAS 206537-57-7)
- 1-(4-Chlorobenzyl)-1h-indole-2,3-dione (CAS 26960-66-7)
- 2-(2-Chlorobenzyl)isoindoline-1,3-dione (CAS 74805-32-6)
- 1-(4-Chlorobenzyl)-1H-pyrazole-4-sulfonamide (CAS 1341915-89-6)
- 4-(2-Chlorobenzyl)thiomorpholine-3,5-dione 1-oxide (CAS 338793-65-0)
- [1-(2-Chlorobenzyl)-1h-indol-3-yl]methanol (CAS 92407-89-1)
- 2-(2-Chlorobenzyl)-5-phenyl-2,5-dihydroisoxazole (CAS 939888-19-4)
Recommended Standards
- (Z)-4-chloro-3-(4-hydroxybenzylidene)indolin-2-one (CAS 855423-46-0)
- 1-(3-(4-Chlorophenyl)benzo[c]isoxazol-5-yl)ethan-1-one (CAS 337920-20-4)
- (R)-2-Chloro-5-methoxy-6-(3-methylmorpholino)pyrimidine-4-carbaldehyde (CAS 2425604-21-1)
- (6-Chloro-1H-benzo[d][1,2,3]triazol-1-yl)(p-tolyl)methanone (CAS 74530-03-3)
- N-(2-Formyl-5-methoxy-1H-indol-3-yl)-N,N-dimethylimidoformamide (CAS 1134334-52-3)
- Methyl 3-(4-chlorophenyl)oxirane-2-carboxylate (CAS 99334-21-1)
- 1-(2,5-Dimethylphenyl)butan-1-one 1138AE 35031-53-9 C12H16O (CAS 35031-53-9)
- Tert-butyl 4-(3-(p-tolyl)ureido)piperidine-1-carboxylate (CAS 1233955-71-9)
- 4-(3,4-Dimethylbenzoyl)quinoline (CAS 1706429-94-8)
- (1-((1-Methyl-1h-pyrazol-4-yl)methyl)piperidin-4-yl)methanamine (CAS 1006483-86-8)
- 2-(5-Methyl-7-oxo-2-phenylpyrazolo[1,5-a]pyrimidin-4(7h)-yl)acetic acid (CAS 929973-45-5)
- Pramipexole Impurity 22 (CAS CATO-C4X-110722)
- Methyl 6-amino-4-(trifluoromethyl)picolinate (CAS 1158787-77-9)
- Polymyxin B nonapeptide (CAS 86408-36-8)
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