Description

Benzaldehyde, 4-Ethynyl-3-Methoxy- (9Ci) CAS NO 190786-13-1 is a specialized aromatic aldehyde derivative featuring both an ethynyl and a methoxy functional group on the benzene ring. This unique molecular architecture makes it a versatile and high-value building block for advanced organic synthesis, particularly in the development of complex pharmaceutical intermediates and functional materials. It is primarily needed by research institutions, pharmaceutical R&D laboratories, and fine chemical manufacturers engaged in creating novel compounds for drug discovery and material science applications.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug candidates, especially those targeting neurological and oncological pathways.
• Agrochemical Research: Used in developing novel active ingredients for crop protection products, leveraging its reactive ethynyl group for structural diversification.
• Material Science: Acts as a monomer or cross-linking agent in the production of specialty polymers, resins, and advanced organic electronic materials.
• Chemical Synthesis: A valuable building block for creating libraries of compounds via Sonogashira coupling and other palladium-catalyzed reactions.
• Flavor & Fragrance Precursor: Employed in the research and development of novel aromatic compounds for high-end fragrance and flavor applications.
• Academic & Industrial R&D: Essential for methodological studies and exploring new synthetic routes in organic chemistry laboratories worldwide.

Basic Information

Product Name	Benzaldehyde, 4-Ethynyl-3-Methoxy- (9Ci)
CAS No.	190786-13-1
Molecular Formula	C10H8O2
Molecular Weight	160.17 g/mol
Synonyms	4-Ethynyl-3-methoxybenzaldehyde; 3-Methoxy-4-ethynylbenzaldehyde; 4-Ethynyl-3-methoxy-benzaldehyde; 4-Ethynyl-3-methoxybenzenecarboxaldehyde; 190786-13-1; Benzaldehyde, 4-ethynyl-3-methoxy-
EINECS	Contact for details

Quality Control

Our Benzaldehyde, 4-Ethynyl-3-Methoxy- is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for critical research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. This compound is easily oxidized and light-sensitive; prolonged exposure to air, moisture, or light should be avoided to maintain purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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