Description

2-Ethyl-3-Methyl-1H-Indole-7-Carboxylic Acid is a high-purity, functionalized indole derivative serving as a critical building block in advanced organic synthesis. Its value lies in providing a versatile carboxylic acid handle on the indole scaffold, enabling the construction of complex molecules for pharmaceutical and agrochemical research. This compound is essential for R&D chemists and process development scientists working on novel active ingredients, particularly in the areas of medicinal chemistry and crop protection.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides, leveraging the indole core's bioactivity.
• Material Science: Serves as a monomer or functional additive in the creation of specialty polymers and organic electronic materials.
• Chemical Synthesis: Acts as a versatile building block for constructing more complex heterocyclic compounds and fine chemicals.
• Bioconjugation & Probe Development: The carboxylic acid group facilitates coupling reactions for creating fluorescent probes or bioconjugates for diagnostic applications.

Basic Information

Product Name	2-Ethyl-3-Methyl-1H-Indole-7-Carboxylic Acid
CAS No.	876715-53-6
Molecular Formula	C₁₂H₁₃NO₂
Molecular Weight	203.24 g/mol
Synonyms	7-Carboxy-2-ethyl-3-methylindole; 2-Ethyl-3-methyl-1H-indole-7-carboxylic acid; 1H-Indole-7-carboxylic acid, 2-ethyl-3-methyl-; 2-Ethyl-3-methylindole-7-carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of 2-Ethyl-3-Methyl-1H-Indole-7-Carboxylic Acid is manufactured under strict quality management systems and undergoes comprehensive analytical testing. We ensure compliance with stringent internal specifications, which are aligned with industry best practices for fine chemical intermediates. A detailed Certificate of Analysis (COA) documenting purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical R&D and scale-up processes.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and away from direct light exposure to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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