Description

2-[2-[1-(2-Cyanoethyl)-2-Phenyl-1H-Indol-3-Yl]Vinyl]-1,3,3-Trimethyl-3H-Pyrrolo[2,3-B]Pyridinium Toluene-p-Sulphonate is a specialized organic salt with a complex heterocyclic structure, valued for its unique photophysical and electronic properties. This compound is a critical high-purity intermediate in the synthesis of advanced functional materials, where precise molecular architecture is paramount. It is primarily sought after by manufacturers in the optical materials, specialty dyes, and advanced organic electronics sectors for research and development of next-generation products.

Application

• Key Intermediate for Functional Dyes: Synthesis of cyanine and polymethine dyes for photographic sensitizers, laser media, and non-linear optical (NLO) materials.
• Organic Semiconductor Research: Used in the development of charge-transport materials and active layers for organic light-emitting diodes (OLEDs) and photovoltaics.
• Fluorescent Probe Development: Serves as a building block for creating novel fluorescent markers and sensors in bioimaging and analytical chemistry.
• Advanced Material Synthesis: Precursor for complex ionic liquids and specialty polymers with tailored electronic or optical characteristics.
• Photochromic and Electrochromic Materials: Research into compounds that change color in response to light or electrical stimulus.

Basic Information

Product Name	2-[2-[1-(2-Cyanoethyl)-2-Phenyl-1H-Indol-3-Yl]Vinyl]-1,3,3-Trimethyl-3H-Pyrrolo[2,3-B]Pyridinium Toluene-p-Sulphonate
CAS No.	63665-91-8
Molecular Formula	C36H34N4O3S
Molecular Weight	602.75 g/mol
Synonyms	2-[2-[1-(2-Cyanoethyl)-2-phenyl-1H-indol-3-yl]ethenyl]-1,3,3-trimethyl-3H-pyrrolo[2,3-b]pyridinium 4-methylbenzenesulfonate; 1,3,3-Trimethyl-2-[2-[1-(2-cyanoethyl)-2-phenyl-1H-indol-3-yl]vinyl]-3H-pyrrolo[2,3-b]pyridinium p-toluenesulfonate; Cyanine dye intermediate; Toluene-p-sulphonate salt of a pyrrolopyridinium-indole derivative; Polymethine dye precursor; Heptamethine cyanine salt analog; NK-2016 (research code); Optical material intermediate.
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity essential for sensitive applications. Quality is verified through advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container sealed to protect from moisture. This material is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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