Description

5-Methoxy-3,3-Dimethylindolin-2-One is a high-purity, synthetically valuable oxindole derivative. This compound serves as a crucial pharmaceutical intermediate and versatile building block in advanced organic synthesis. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs), particularly those targeting neurological and oncological pathways.
• Agrochemical Synthesis: Used as a building block for developing new herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Organic Synthesis Building Block: Employed in constructing complex heterocyclic frameworks and natural product analogs due to its reactive oxindole core.
• Material Science Research: Investigated for the development of organic semiconductors, photochromic materials, and advanced polymers.
• Biochemical Research: Utilized in medicinal chemistry programs for structure-activity relationship (SAR) studies and library synthesis.
• Dye and Pigment Intermediate: Serves as a starting material for synthesizing specialized indole-based colorants and functional dyes.

Basic Information

Product Name	5-Methoxy-3,3-Dimethylindolin-2-One
CAS No.	87234-57-9
Molecular Formula	C11H13NO2
Molecular Weight	191.23 g/mol
Synonyms	5-Methoxy-3,3-dimethyl-1,3-dihydro-2H-indol-2-one; 3,3-Dimethyl-5-methoxyoxindole; 5-Methoxy-3,3-dimethylindolin-2-one; 2H-Indol-2-one, 1,3-dihydro-5-methoxy-3,3-dimethyl-; 3,3-Dimethyl-5-methoxy-2-indolinone
EINECS	Contact for details

Quality Control

Our 5-Methoxy-3,3-Dimethylindolin-2-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your critical synthesis workflows.

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). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.0%

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