Description

(2E)-2-(3-Oxo-1H-Indol-2-Ylidene)-1H-Indol-3-One CAS NO 68651-46-7 is a high-purity, synthetic organic compound belonging to the indole derivative family. This specialized chemical serves as a critical advanced intermediate and pharmacophore in the research and development of novel active pharmaceutical ingredients (APIs). It is primarily sought by pharmaceutical R&D teams and fine chemical manufacturers for applications in drug discovery and the synthesis of complex heterocyclic molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates, particularly those targeting neurological and oncological pathways.
• Organic Synthesis Research: Used in academic and industrial laboratories for constructing novel indole-based heterocyclic compounds and studying structure-activity relationships (SAR).
• Dye and Pigment Precursor: Serves as a starting material for synthesizing specialized organic dyes and pigments due to its conjugated molecular structure.
• Material Science Research: Investigated as a potential component in the development of organic semiconductors and photoconductive materials.
• Biochemical Probe Development: Utilized in creating molecular probes for studying biological processes involving indole-binding sites.

Basic Information

Product Name	(2E)-2-(3-Oxo-1H-Indol-2-Ylidene)-1H-Indol-3-One
CAS No.	68651-46-7
Molecular Formula	C16H8N2O2
Molecular Weight	260.25 g/mol
Synonyms	2-(3-Oxo-1H-indol-2-ylidene)-1H-indol-3-one; (2E)-2-(3-Oxo-1H-indol-2-ylidene)-1H-indol-3-one; Isatin-3-(2'-oxindole); Isatin-3-(2'-oxindolylidene); 2-(3-Oxo-1H-indol-2-ylidene)-1H-indole-3-one; 2,2'-Biindoline-3,3'-dione (related); Indirubin isomer; Contact for EINECS details.

Quality Control

Our production of (2E)-2-(3-Oxo-1H-Indol-2-Ylidene)-1H-Indol-3-One adheres to stringent in-house quality protocols designed for research and fine chemical applications. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and support your quality assurance processes.

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 the container tightly sealed when not in use to protect from moisture and contamination.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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