Description

4-Aza-2-Oxindole-3-Carboxylic Acid Ethyl Ester is a high-value heterocyclic building block and key synthetic intermediate in advanced organic chemistry. This compound matters for its crucial role in the synthesis of complex molecules, particularly in the development of new active pharmaceutical ingredients (APIs). Pharmaceutical R&D laboratories, agrochemical innovators, and specialty chemical manufacturers need this precise chemical to drive forward their discovery and process development programs.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of biologically active molecules, including kinase inhibitors and other targeted therapeutics.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Serves as a versatile scaffold for constructing complex heterocyclic compounds and fused ring systems.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies and novel reaction development.

Basic Information

Product Name	4-Aza-2-Oxindole-3-Carboxylic Acid Ethyl Ester
CAS No.	87592-14-1
Molecular Formula	C11H10N2O3
Molecular Weight	218.21 g/mol
Synonyms	Ethyl 4-Aza-2-oxoindoline-3-carboxylate; Ethyl 1,2-Dihydro-4-aza-2-oxo-3H-indole-3-carboxylate; 4-Azaoxindole-3-carboxylic Acid Ethyl Ester; 3-Carbethoxy-4-azaoxindole; 1,2-Dihydro-4-aza-2-oxo-3H-indole-3-carboxylic Acid Ethyl Ester; Azaoxindole Ethyl Ester; CAS 87592-14-1
EINECS	Contact for details

Quality Control

Our 4-Aza-2-Oxindole-3-Carboxylic Acid Ethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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