Description

2,2'-Bi[3H-Indole]-3,3'-Dione is a high-purity organic compound belonging to the bisindole class, characterized by its distinctive fused heterocyclic structure. This compound serves as a critical advanced intermediate and research chemical for the synthesis of complex molecules and functional materials. It is primarily sought by pharmaceutical R&D teams, academic research institutions, and specialty chemical manufacturers for applications in drug discovery and material science.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with indole-based scaffolds.
• Organic Synthesis Research: Used in academic and industrial laboratories for developing new synthetic methodologies and creating complex heterocyclic compounds.
• Material Science Precursor: Investigated for the development of organic electronic materials, dyes, and pigments due to its conjugated structure.
• Biochemical Research: Potential use as a probe or inhibitor in enzymatic studies, leveraging its specific molecular interactions.
• Agrochemical Development: Serves as an intermediate in the research and synthesis of new crop protection agents.

Basic Information

Product Name	2,2'-Bi[3H-Indole]-3,3'-Dione
CAS No.	2903-89-1
Molecular Formula	C16H8N2O2
Molecular Weight	260.25 g/mol
Synonyms	2,2'-Biindole-3,3'-dione; 2,2'-Biindolinylidene-3,3'-dione; 2,2'-Biindoxyl; 2,2'-Dihydroxy-2,2'-biindolyl; 3,3'-Dioxo-2,2'-biindoline; 2,2'-Biindole-3,3'(2H,2'H)-dione; Isatin Dimer; Bisisatin
EINECS	220-822-3

Quality Control

Our 2,2'-Bi[3H-Indole]-3,3'-Dione is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. We provide full traceability and Certificates of Analysis (COA) are available upon request to ensure compliance with your project 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.

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.