Description

4-Ethynyl-1H-Indole-3-Carbaldehyde is a versatile and highly functionalized indole derivative, serving as a critical building block in advanced organic synthesis. Its unique molecular architecture, featuring both an aldehyde and an ethynyl group, makes it an invaluable precursor for constructing complex heterocyclic frameworks and pharmaceutical intermediates. This compound is primarily sought after by research institutions and chemical manufacturers engaged in the development of novel bioactive compounds, including potential drug candidates and agrochemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex molecules for drug discovery, particularly in oncology and neurology research.
• Agrochemical Synthesis: Building block for developing novel pesticides and herbicides with specific modes of action.
• Material Science: Used in the creation of organic semiconductors and advanced polymers due to its conjugated system.
• Chemical Research: Serves as a versatile scaffold for synthesizing libraries of indole-based compounds for biological screening.
• Ligand Synthesis: Precursor for creating specialized ligands used in catalysis and metal-organic frameworks (MOFs).
• Fluorescent Probe Development: Utilized in the design of molecular probes and sensors for biochemical applications.

Basic Information

Product Name	4-Ethynyl-1H-Indole-3-Carbaldehyde
CAS No.	159718-56-6
Molecular Formula	C11H7NO
Molecular Weight	169.18 g/mol
Synonyms	4-Ethynyl-1H-indole-3-carboxaldehyde; 3-Formyl-4-ethynylindole; 4-Ethynylindole-3-carbaldehyde; 1H-Indole-3-carboxaldehyde, 4-ethynyl-; 4-Ethynyl-1H-indole-3-carbaldehyde; 159718-56-6
EINECS	Contact for details

Quality Control

Our 4-Ethynyl-1H-Indole-3-Carbaldehyde is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications in regulated research and development environments.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C for long-term stability. This compound is easily oxidized and light-sensitive. Allow the container to reach ambient temperature before opening to minimize moisture condensation.

Specification

Item	Specification
Appearance	Yellow to light brown powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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