Description

4-Aminoindolin-2-One is a versatile heterocyclic organic compound featuring both amino and lactam functional groups. This unique structure makes it a valuable and high-purity building block for advanced pharmaceutical synthesis and fine chemical research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Serves as a precursor for developing novel herbicides, fungicides, and insecticides with specific biological activity.
• Organic Synthesis Building Block: Used in medicinal chemistry for lead optimization and the construction of fused indole and indoline-based compound libraries.
• Material Science Precursor: Potential application in the synthesis of organic electronic materials and advanced polymers.
• Biochemical Research: May be utilized as a substrate or inhibitor in enzymatic studies due to its structural similarity to natural indole derivatives.

Basic Information

Product Name	4-Aminoindolin-2-One
CAS No.	54523-76-1
Molecular Formula	C8H8N2O
Molecular Weight	148.16 g/mol
Synonyms	4-Amino-2,3-dihydro-1H-indol-2-one; 4-Amino-2-indolinone; 2-Indolinone, 4-amino-; 4-Aminooxindole; 4-Amino-1,3-dihydro-2H-indol-2-one; 4-Aminoindolinone; 4-Amino-2-oxindole
EINECS	Contact for details

Quality Control

Our 4-Aminoindolin-2-One is manufactured under strict quality management systems. Each batch undergoes comprehensive 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. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.