5-Bromo-2-oxindole 20870-78-4 Fine Chemical Intermediate For Organic Synthesis Research

5-Bromo-2-oxindole (CAS: 20870-78-4), also named 5-Bromo-1,3-dihydro-2H-indol-2-one, is a high-quality brominated indole fine chemical intermediate. The product features high purity, ultra-low impurity content and excellent batch stability. With unique bromine-substituted indole structure, it has stable chemical performance and reliable reaction activity, widely used in heterocyclic compound synthesis and basic chemical research, meeting strict laboratory and industrial synthesis standards.

5-Bromo-2-oxindole possesses excellent chemical stability under normal temperature and pressure, with no spontaneous decomposition or deterioration. It is slightly soluble in water and soluble in common organic solvents such as ethanol and DMSO, convenient for solution preparation and synthetic experiments. The molecular structure contains active bromine functional groups and indole heterocyclic skeletons, enabling flexible substitution, condensation and cyclization reactions. This product boasts uniform particle size, low residual impurities, stable batch consistency and long storage stability, perfectly suitable for complex multi-step organic synthesis and long-cycle scientific research projects.

As a high-value brominated indole intermediate, 5-Bromo-2-oxindole is mainly applied in fine organic synthesis and biochemical basic research. It acts as a critical building block for constructing various functional heterocyclic compounds and organic molecular materials. It is widely adopted in custom fine chemical synthesis, heterocyclic derivative development and academic laboratory research, serving as a reliable core raw material for global chemical research institutions and fine chemical manufacturers.

Seal and store in a dry, cool and ventilated environment, avoid high temperature, direct sunlight and humid conditions to preserve product activity. Standard packaging includes 1g, 5g, 10g, 100g vacuum aluminum foil bags and 1kg sealed plastic drums. Custom specifications are available, with complete quality inspection reports to ensure stable and traceable product quality.