Description

4-(2,3-Dimethyl-5-Sulfo-3H-Indol-3-Yl)Benzoic Acid is a high-purity, functionalized indole derivative of significant interest in advanced organic synthesis. This compound matters as a versatile sulfonated indole-benzoic acid building block, offering unique reactivity for creating complex molecular architectures. It is primarily needed by research institutions and chemical manufacturers developing specialty dyes, fluorescent probes, and pharmaceutical intermediates where precise functional group integration is critical.

Application

• Key Intermediate for Fluorescent Dyes and Probes: The sulfonated indole core is integral to synthesizing water-soluble, high-quantum-yield fluorophores for bioimaging and sensor applications.
• Pharmaceutical Research Intermediate: Serves as a sophisticated precursor in the development of novel drug candidates, particularly those targeting specific enzyme interactions or requiring indole-based pharmacophores.
• Specialty Chemical Synthesis: Used in the production of advanced materials, including photoactive compounds and polymers with tailored electronic properties.
• Agrochemical Intermediate: Employed in the research and development of new generation plant protection agents that utilize heterocyclic chemistry.
• Research & Development (R&D): A valuable tool for academic and industrial chemists exploring new reactions and properties of functionalized heterocycles.

Basic Information

Product Name	4-(2,3-Dimethyl-5-Sulfo-3H-Indol-3-Yl)Benzoic Acid
CAS No.	1316891-34-5
Molecular Formula	C17H15NO5S
Molecular Weight	345.37 g/mol
Synonyms	4-(2,3-Dimethyl-5-sulfo-1H-indol-3-yl)benzoic acid; 3-(4-Carboxyphenyl)-2,3-dimethyl-5-sulfo-1H-indole; 5-Sulfo-2,3-dimethyl-3-(4-carboxyphenyl)indole; Benzoic acid, 4-(2,3-dimethyl-5-sulfo-3H-indol-3-yl)-; 1316891-34-5; 4-(2,3-Dimethyl-5-sulpho-3H-indol-3-yl)benzoic acid
EINECS	Contact for details

Quality Control

Our production of 4-(2,3-Dimethyl-5-Sulfo-3H-Indol-3-Yl)Benzoic Acid adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure consistent high quality and reliable performance in your applications. Certificates of Analysis (COA) detailing all specifications are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at 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.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
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.