Description

4,4',5,5'-Tetrachloro-δ2,2'(3H,3'H)-Bi[1H-Indole]-3,3'-Dione is a high-purity, halogenated indole derivative with the CAS number 6371-39-7. This compound serves as a critical synthetic intermediate and functional building block in advanced organic synthesis, valued for its unique structural framework and reactivity. It is primarily utilized by research institutions and industrial R&D departments focused on developing novel pharmaceuticals, agrochemicals, and specialty dyes.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex heterocyclic compounds for drug discovery and development.
• Agrochemical Research: Used as a building block for creating novel active ingredients in crop protection products.
• Organic Synthesis: Serves as a versatile reagent for constructing complex molecular architectures in academic and industrial laboratories.
• Dye & Pigment Manufacturing: Acts as a core structure for developing specialized colorants and functional materials.
• Material Science: Investigated for use in the development of organic electronic materials and advanced polymers.

Basic Information

Product Name	4,4',5,5'-Tetrachloro-δ2,2'(3H,3'H)-Bi[1H-Indole]-3,3'-Dione
CAS No.	6371-39-7
Molecular Formula	C16H4Cl4N2O2
Molecular Weight	398.02 g/mol
Synonyms	4,4',5,5'-Tetrachloro-2,2'-bi-1H-indole-3,3'(2H,2'H)-dione; 4,4',5,5'-Tetrachloro-2,2'-biindole-3,3'-dione; 4,4',5,5'-Tetrachloro-2,2'-dihydroxy-2,2'-biindolyl-3,3'-dione; 4,4',5,5'-Tetrachloroindirubin; Tetrachloroindirubin; NSC 83687; 6371-39-7
EINECS	Contact for details

Quality Control

Our 4,4',5,5'-Tetrachloro-δ2,2'(3H,3'H)-Bi[1H-Indole]-3,3'-Dione is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

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

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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