Description

2-Methoxy-3H-Indol-3-One is a versatile heterocyclic building block and key synthetic intermediate. Its unique indolone scaffold functionalized with a methoxy group makes it valuable for constructing complex molecular architectures in advanced research and development. This compound is primarily sought after by the pharmaceutical, agrochemical, and fine chemical industries for applications in medicinal chemistry, material science, and as a precursor for dyes and pigments.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting neurological and oncological pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators due to its bioactive indole core.
• Organic Synthesis Building Block: Employed in heterocyclic and combinatorial chemistry for constructing complex indole-based compounds and natural product analogs.
• Dye and Pigment Precursor: Acts as a key intermediate in the manufacture of specialized dyes, pigments, and optical brighteners.
• Material Science Research: Investigated for use in organic semiconductors, photoconductive materials, and other advanced functional materials.
• Biochemical Research: Utilized as a standard or reagent in enzymatic studies and biochemical assays related to indole metabolism.

Basic Information

Product Name	2-Methoxy-3H-Indol-3-One
CAS No.	613-44-5
Molecular Formula	C9H7NO2
Molecular Weight	161.16 g/mol
Synonyms	2-Methoxy-1H-indol-3(2H)-one; 2-Methoxyindolin-3-one; 3H-Indol-3-one, 2-methoxy-; 2-Methoxy-3-indolinone; Isatin, 2-methoxy-; 2-Methoxyoxindole
EINECS	210-350-8

Quality Control

Our 2-Methoxy-3H-Indol-3-One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) documenting all specifications are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.