Description

3,3-Dimethyl-2-oxoindolin-6-carboxylic acid is a high-purity, synthetically valuable oxindole derivative. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis. It is essential for research and production in the pharmaceutical and fine chemical industries, particularly for developing novel active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those with oxindole or spirooxindole core structures.
• Organic Synthesis Building Block: Used for constructing complex heterocyclic compounds due to its reactive carboxylic acid and oxindole functionalities.
• Agrochemical Research: Employed in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Investigated as a monomer or additive for creating specialized polymers with unique properties.
• Biochemical Research: Used as a standard or reagent in enzymatic studies and biochemical pathway analysis.
• Academic & R&D: Serves as a fundamental compound for methodological development and discovery chemistry in university and industrial laboratories.

Basic Information

Product Name	3,3-Dimethyl-2-oxoindolin-6-carboxylic Acid
CAS No.	127267-57-6
Molecular Formula	C11H11NO3
Molecular Weight	205.21 g/mol
Synonyms	6-Carboxy-3,3-dimethyloxindole; 3,3-Dimethyl-6-carboxyoxindole; 6-Carboxy-3,3-dimethyl-2-indolinone; 2-Oxo-3,3-dimethylindoline-6-carboxylic Acid; 3,3-Dimethyl-2-oxindole-6-carboxylic Acid; 3,3-Dimethyloxindole-6-carboxylic Acid; 1,3-Dihydro-3,3-dimethyl-2-oxo-1H-indole-6-carboxylic Acid
EINECS	Contact for details

Quality Control

Our 3,3-Dimethyl-2-oxoindolin-6-carboxylic acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and structural integrity. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
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.