Description

3-(5-Carboxypentyl)-1,1,2-Trimethyl-1H-Benzo[E]Indol-3-Ium Bromide is a high-purity, functionalized benzo[e]indolium salt, a key intermediate in advanced organic synthesis and materials science. This compound is valued for its role as a versatile building block in the development of specialized dyes, fluorescent probes, and functional polymers. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for creating novel compounds with tailored optical and electronic properties.

Application

• Synthesis of Cyanine Dyes: A crucial precursor for manufacturing near-infrared (NIR) fluorescent dyes used in bioimaging and medical diagnostics.
• Fluorescent Labeling Reagents: Used to develop sensitive probes for detecting biomolecules in life science research and assay development.
• Organic Semiconductor Materials: Serves as a building block for creating charge-transport materials in organic light-emitting diodes (OLEDs) and photovoltaic devices.
• Photosensitizer Development: Employed in the research and production of compounds for photodynamic therapy (PDT) and photocatalytic applications.
• Agrochemical Intermediates: Used in the synthesis of novel active ingredients with specific targeting properties.
• Polymer Functionalization: Incorporated into polymer chains to impart specific ionic or chromophoric characteristics for advanced material applications.

Basic Information

Product Name	3-(5-Carboxypentyl)-1,1,2-Trimethyl-1H-Benzo[E]Indol-3-Ium Bromide
CAS No.	171429-39-3
Molecular Formula	C22H28BrNO2
Molecular Weight	418.37 g/mol
Synonyms	5-(1,1,2-Trimethyl-1H-benzo[e]indol-3-ium-3-yl)pentanoic acid bromide; 1,1,2-Trimethyl-3-(5-carboxypentyl)-1H-benzo[e]indol-3-ium bromide; Benzo[e]indolium, 3-(5-carboxypentyl)-1,1,2-trimethyl-, bromide; Cyanine dye precursor; NIR dye intermediate; Heptamethine cyanine acid bromide derivative; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of 3-(5-Carboxypentyl)-1,1,2-Trimethyl-1H-Benzo[E]Indol-3-Ium Bromide adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Each lot is characterized using 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 quality assurance and regulatory needs.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect stability and performance. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Red to dark red crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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