Description

Methyl 4-Ethyl-3-Ethynylbenzoate is a high-purity, synthetically valuable benzoate ester derivative featuring both ethyl and ethynyl substituents on the aromatic ring. This compound serves as a versatile and critical advanced pharmaceutical intermediate and organic building block for complex molecular synthesis. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug candidates, particularly those targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Synthesis: Building block for developing new-generation herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Organic Electronic Materials: Used in the research and development of organic semiconductors, light-emitting diodes (OLEDs), and photovoltaic materials due to its conjugated ethynyl group.
• Ligand and Catalyst Development: Serves as a scaffold for creating novel ligands in asymmetric catalysis and transition metal complexes.
• Chemical Research & Development: A versatile starting material for academic and industrial R&D in synthetic organic chemistry and methodology development.
• Fine Chemical Production: Intermediate for the manufacture of specialty chemicals, dyes, and flavor/fragrance compounds.

Basic Information

Product Name	Methyl 4-Ethyl-3-Ethynylbenzoate
CAS No.	1429617-95-7
Molecular Formula	C12H12O2
Molecular Weight	188.22 g/mol
Synonyms	Benzoic acid, 4-ethyl-3-ethynyl-, methyl ester; Methyl 4-ethyl-3-ethynylbenzoate; 3-Ethynyl-4-ethylbenzoic acid methyl ester; 4-Ethyl-3-ethynylbenzoic acid methyl ester; Methyl 3-ethynyl-4-ethylbenzoate
EINECS	Contact for details

Quality Control

Our Methyl 4-Ethyl-3-Ethynylbenzoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure high chemical purity and structural identity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our quality commitment ensures batch-to-batch consistency for your critical R&D and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (GC)	≥ 97.0%
Melting Point	Contact for details
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.