Description

3-Diazo-2,3-Dihydro-1H-Indole-2-One is a versatile diazo-functionalized heterocyclic compound that serves as a critical synthetic intermediate. Its unique reactive diazo group makes it a valuable building block for constructing complex molecular architectures in advanced organic synthesis. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications in medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel indole-based drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in cycloaddition reactions, carbene chemistry, and the construction of complex heterocycles.
• Material Science Research: Investigated as a monomer or cross-linking agent for the development of novel polymers and functional materials.
• Dye and Pigment Chemistry: Serves as an intermediate in the synthesis of specialized organic dyes and colorants.
• Academic & Industrial R&D: A valuable reagent for methodological development and discovery chemistry in research laboratories.

Basic Information

Product Name	3-Diazo-2,3-Dihydro-1H-Indole-2-One
CAS No.	3265-29-0
Molecular Formula	C8H5N3O
Molecular Weight	159.15 g/mol
Synonyms	3-Diazooxindole; 3-Diazo-1,3-dihydro-2H-indol-2-one; 2H-Indol-2-one, 3-diazo-1,3-dihydro-; 3-Diazoindolin-2-one; Diazooxindole; 3-Diazo-2-oxindole; 2-Oxo-3-diazoindoline; 3-Diazoxindole
EINECS	221-881-1

Quality Control

Our 3-Diazo-2,3-Dihydro-1H-Indole-2-One is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system supports compliance with cGMP and ISO standards for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is between 2°C and 8°C. Keep away from heat, sparks, and open flame. Due to its light-sensitive and easily oxidized nature, minimize exposure to air and light during handling.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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