Description

5-Bromo-3-Methylindolin-2-One is a high-purity, versatile indolinone derivative serving as a critical building block in advanced organic synthesis. This compound is valued for its role as a key intermediate in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is essential for researchers and manufacturers in fine chemical, pharmaceutical R&D, and material science industries seeking reliable, high-quality intermediates for their synthesis pipelines.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Research: Used in the development of new active ingredients for crop protection and pest management solutions.
• Organic Synthesis Building Block: Serves as a versatile scaffold for constructing complex heterocyclic compounds and functionalized indole derivatives.
• Material Science: Investigated for the preparation of specialty polymers and advanced organic electronic materials.
• Chemical Biology Probe Development: Utilized in the design and synthesis of molecular probes for studying biological pathways and enzyme functions.

Basic Information

Product Name	5-Bromo-3-Methylindolin-2-One
CAS No.	90725-49-8
Molecular Formula	C9H8BrNO
Molecular Weight	226.07 g/mol
Synonyms	5-Bromo-3-methyl-2-indolinone; 5-Bromo-3-methylindolin-2-one; 3-Methyl-5-bromooxindole; 5-Bromo-3-methyl-1,3-dihydro-2H-indol-2-one; 2H-Indol-2-one, 5-bromo-1,3-dihydro-3-methyl-; 5-Bromo-3-methyl-2-oxindole
EINECS	Contact for details

Quality Control

Our 5-Bromo-3-Methylindolin-2-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to verify identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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