Description

(3E)-5-Ethyl-1H-Indole-2,3-Dione 3-Oxime is a specialized oxime derivative of isatin, a heterocyclic compound with significant synthetic utility. This high-purity intermediate is valued for its role as a key building block in the synthesis of complex organic molecules, particularly in pharmaceutical research and development. It is primarily sought after by R&D chemists and process development scientists in the fine chemical, agrochemical, and pharmaceutical industries for constructing novel compounds with potential biological activity.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Serves as a building block for developing new active ingredients in crop protection agents, such as herbicides or fungicides.
• Organic Synthesis: Used in academic and industrial laboratories for constructing complex heterocyclic frameworks due to its reactive oxime and carbonyl functionalities.
• Material Science Precursor: Potential use in the development of organic electronic materials or functional dyes, leveraging the indole-dione core structure.
• Biochemical Probe Development: Can be utilized to create molecular probes for studying enzyme activity or biological pathways.

Basic Information

Product Name	(3E)-5-Ethyl-1H-Indole-2,3-Dione 3-Oxime
CAS No.	500711-57-9
Molecular Formula	C10H10N2O2
Molecular Weight	190.20 g/mol
Synonyms	5-Ethylisatin 3-oxime; (E)-5-Ethyl-2,3-dihydro-2-oxo-3-hydroxyimino-1H-indole; 5-Ethyl-1H-indole-2,3-dione 3-(O-methyloxime); 3-Hydroxyimino-5-ethylindolin-2-one; 5-Ethyl-3-isonitrosoindolin-2-one; 5-Ethyl-2,3-dioxoindoline 3-oxime; 5-Ethyl-3-(hydroxyimino)indolin-2-one
EINECS	Contact for details

Quality Control

Our (3E)-5-Ethyl-1H-Indole-2,3-Dione 3-Oxime is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications and test results is provided with each shipment to guarantee it meets the rigorous standards required for research and development applications.

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 incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
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.