Description

Ethyl 2-Oxoindoline-4-Carboxylate is a high-purity organic building block and pharmaceutical intermediate of significant commercial importance. This compound serves as a critical precursor in the synthesis of complex molecules, particularly those with biological activity. It is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in the synthesis of fused heterocyclic compounds with potential therapeutic applications.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its oxindole core structure.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a building block for electron-transport or host materials in the manufacture of advanced display technologies.
• Fine Chemical Production: Employed in the custom synthesis of specialty chemicals, dyes, and pigments requiring the 2-oxoindoline scaffold.
• Academic & Contract Research: A valuable reagent for methodological development and discovery chemistry in university and CRO laboratory settings.
• Material Science Research: Investigated for use in the creation of novel polymers and organic semiconductors with specific electronic properties.

Basic Information

Product Name	Ethyl 2-Oxoindoline-4-Carboxylate
CAS No.	66695-86-1
Molecular Formula	C11H11NO3
Molecular Weight	205.21 g/mol
Synonyms	Ethyl 4-Carboxy-2-oxindole; Ethyl 2-Oxo-2,3-dihydro-1H-indole-4-carboxylate; 4-(Ethoxycarbonyl)-2-oxindole; 1H-Indole-4-carboxylic acid, 2,3-dihydro-2-oxo-, ethyl ester; 2-Oxoindoline-4-carboxylic acid ethyl ester; Ethyl 4-(ethoxycarbonyl)-2-oxindole (common misnomer); 4-Carbethoxy-2-oxindole
EINECS	Contact for details

Quality Control

Our Ethyl 2-Oxoindoline-4-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to 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.