Description

Indolin-2-One is a versatile heterocyclic organic compound that serves as a crucial building block in advanced chemical synthesis. Its significance lies in its role as a key intermediate for the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. This product is essential for researchers and manufacturers in fine chemical, pharmaceutical, and material science industries seeking high-purity intermediates for active pharmaceutical ingredient (API) development and specialty chemical production.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs), particularly those with indole-based structures.
• Agrochemical Synthesis: Used in the development of novel pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in complex organic reactions, including palladium-catalyzed cross-couplings and ring-forming reactions, to construct more elaborate molecular architectures.
• Material Science Research: Serves as a monomer or precursor for the development of specialty polymers and functional organic materials.
• Dye and Pigment Industry: Acts as an intermediate in the synthesis of certain indole-based dyes and colorants.
• Academic and R&D: A valuable reagent for medicinal chemistry research and the exploration of new synthetic methodologies in university and corporate laboratories.

Basic Information

Product Name	Indolin-2-One
CAS No.	114344-59-1
Molecular Formula	C8H7NO
Molecular Weight	133.15 g/mol
Synonyms	2-Indolinone; 2-Oxoindoline; Indolinone; 1H-Indol-2(3H)-one; 2,3-Dihydro-1H-indol-2-one; 2-Indolinone; 2-Oxo-2,3-dihydro-1H-indole; Indole-2-one, dihydro-
EINECS	Contact for details

Quality Control

Our Indolin-2-One is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC, GC, and NMR, to verify identity and purity against established specifications. Certificates of Analysis (COA) documenting all test results are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	128 - 132 °C
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.