Description

Benzene, 1-Ethenyl-2,3,4-Trimethoxy- (CAS NO 39240-15-8) is a specialized methoxy-substituted styrene derivative that serves as a valuable synthetic intermediate in advanced organic chemistry. Its unique structure, featuring a vinyl group adjacent to a trimethoxybenzene moiety, makes it a critical building block for constructing complex molecules with specific electronic and steric properties. This compound is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing complex heterocyclic structures.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, where the trimethoxyphenyl group can contribute to biological activity.
• Material Science Research: Serves as a monomer or functionalizing agent in the development of specialty polymers, liquid crystals, or organic electronic materials.
• Chemical Research & Development: Employed as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Fine Chemical Production: Intermediate in the multi-step synthesis of complex fragrances, dyes, and other high-value specialty chemicals.

Basic Information

Product Name	Benzene, 1-Ethenyl-2,3,4-Trimethoxy-
CAS No.	39240-15-8
Molecular Formula	C11H14O3
Molecular Weight	194.23 g/mol
Synonyms	2,3,4-Trimethoxystyrene; 1-Vinyl-2,3,4-trimethoxybenzene; 2,3,4-Trimethoxyvinylbenzene; (2,3,4-Trimethoxyphenyl)ethene; Vinyltrimethoxybenzene; NSC 403119; 3,4,5-Trimethoxystyrene (isomeric)
EINECS	Contact for details

Quality Control

Every batch of Benzene, 1-Ethenyl-2,3,4-Trimethoxy- is produced and tested under a strict quality management system to ensure consistency and reliability for your research and production processes. We provide comprehensive analytical data, including HPLC purity, identity confirmation by spectroscopic methods (IR, NMR), and impurity profiling. A Certificate of Analysis (COA) detailing all specifications and test results is supplied with each shipment to support your quality assurance and regulatory documentation.

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 material is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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