Description

3-Hydroxy-3-Methyl-1H-Indol-2-One is a specialized heterocyclic organic compound belonging to the oxindole class. This versatile intermediate is valued for its unique molecular scaffold, which is integral to the synthesis of more complex pharmacologically active molecules. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing new active ingredients. Its defined structure makes it a critical building block in medicinal chemistry and advanced material science.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used in the development of new herbicides and plant growth regulators, leveraging its heterocyclic core.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex indole and oxindole derivatives.
• Biochemical Research: Serves as a standard or reference compound in enzymatic inhibition studies and biochemical pathway analysis.
• Material Science: Investigated for its potential in creating organic semiconductors and advanced polymeric materials.

Basic Information

Product Name	3-Hydroxy-3-Methyl-1H-Indol-2-One
CAS No.	3040-34-4
Molecular Formula	C9H9NO2
Molecular Weight	163.18 g/mol
Synonyms	3-Hydroxy-3-methyloxindole; 3-Hydroxy-3-methyl-2-indolinone; 3-Methyl-3-hydroxyoxindole; 3-Hydroxy-3-methyl-1H-indole-2-one; 3-Methyl-3-hydroxy-2-indolinone; 2-Indolinone, 3-hydroxy-3-methyl-; 3-Hydroxy-3-methylindolin-2-one
EINECS	221-250-5

Quality Control

Our 3-Hydroxy-3-Methyl-1H-Indol-2-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided.

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.