Description

Isatin98%Or99% CAS NO 91-56-4 is a high-purity, versatile heterocyclic organic compound, specifically an indole derivative, that serves as a critical building block in advanced chemical synthesis. Its value lies in its unique molecular structure, featuring both a ketone and an amide group, which makes it a pivotal precursor for pharmaceuticals, dyes, and agrochemicals. This product is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers seeking a reliable source for high-quality intermediates.

Application

• Pharmaceutical Intermediate: A key starting material for the synthesis of a wide range of active pharmaceutical ingredients (APIs), including antiviral, anticancer, and central nervous system drugs.
• Dye and Pigment Production: Used in the manufacture of indigo dyes and other complex organic colorants for textiles and industrial applications.
• Agrochemical Synthesis: Serves as a precursor for developing novel herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: A fundamental reagent in organic synthesis for creating new heterocyclic compounds and exploring novel chemical pathways.
• Analytical Chemistry: Employed as a derivatization agent or a standard in chromatographic analysis and spectroscopic studies.
• Coordination Chemistry: Acts as a ligand for metal complexes used in catalysis and material science.

Basic Information

Product Name	Isatin98%Or99% CAS NO 91-56-4
CAS No.	91-56-4
Molecular Formula	C8H5NO2
Molecular Weight	147.13 g/mol
Synonyms	1H-Indole-2,3-dione; 2,3-Indolinedione; Isatinic Acid; Isatinic Anhydride; Ketole; Indole-2,3-dione; 2,3-Dioxoindoline; 2,3-Diketodihydroindole; NSC 402624
EINECS	202-077-8

Quality Control

Our Isatin is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling, to meet the stringent requirements of our global B2B clients. A Certificate of Analysis (COA) detailing purity (98% or 99%), physical characteristics, and test results is provided with every shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, the container should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Orange to reddish-brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	98.0% min. / 99.0% min.
Melting Point	200°C - 203°C
Loss on Drying	0.5% max.
Residue on Ignition	0.1% max.
Heavy Metals (as Pb)	20 ppm max.

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