Description

5-Bromo-3-Hydroxy-2-Indolinone is a halogenated oxindole derivative, a versatile and valuable building block in advanced organic synthesis. Its molecular structure makes it a critical intermediate for developing novel pharmaceutical compounds and functional materials. This high-purity chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create innovative products with specific biological or material properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors, receptor antagonists, and other biologically active molecules targeting various disease pathways.
• Agrochemical Research: Serves as a core scaffold for developing new herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Material Science: Used in the research and development of organic semiconductors, dyes, and photochromic materials due to its electron-rich indolinone core.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying enzyme function and cellular processes.
• Academic & R&D: A fundamental reagent for methodological development in organic chemistry, including cross-coupling and heterocyclic synthesis.

Basic Information

Product Name	5-Bromo-3-Hydroxy-2-Indolinone
CAS No.	99304-37-7
Molecular Formula	C8H6BrNO2
Molecular Weight	228.04 g/mol
Synonyms	5-Bromo-3-hydroxyindolin-2-one; 3-Hydroxy-5-bromo-2-indolinone; 5-Bromo-3-hydroxy-1,3-dihydro-2H-indol-2-one; 2H-Indol-2-one, 5-bromo-1,3-dihydro-3-hydroxy-; 5-Bromo-3-hydroxyoxindole; 5-Bromo-3-indolinol-2-one; 5-Bromo-3-hydroxy-2-oxindole
EINECS	Contact for details

Quality Control

Our 5-Bromo-3-Hydroxy-2-Indolinone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for GMP and research purposes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storage under inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.