Description

trans-2,3,4-Trimethoxycinnamic Acid CAS NO 33130-03-9 is a high-purity, multi-methoxylated derivative of cinnamic acid, serving as a critical synthetic intermediate and building block in advanced organic chemistry. Its unique substitution pattern offers valuable chemical functionality for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors who require reliable, high-quality intermediates for process development and active ingredient synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting neurological and cardiovascular pathways.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, leveraging its cinnamic acid backbone.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, including flavors, fragrances, and advanced materials.
• Organic Synthesis Research: A versatile starting material for academic and industrial R&D in heterocyclic chemistry and natural product analogs.
• UV Absorber & Polymer Additive Precursor: Its conjugated system makes it a candidate for developing light-stabilizing additives for polymers and coatings.

Basic Information

Product Name	trans-2,3,4-Trimethoxycinnamic Acid
CAS No.	33130-03-9
Molecular Formula	C₁₂H₁₄O₅
Molecular Weight	238.24 g/mol
Synonyms	(E)-3-(2,3,4-Trimethoxyphenyl)acrylic acid; (2E)-3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid; 2,3,4-Trimethoxycinnamic Acid; trans-3-(2,3,4-Trimethoxyphenyl)acrylic Acid; 2-Propenoic acid, 3-(2,3,4- trimethoxyphenyl)-, (2E)-; Cinnamic acid, 2,3,4-trimethoxy-
EINECS	Contact for details

Quality Control

Our trans-2,3,4-Trimethoxycinnamic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. We provide full traceability and detailed Certificates of Analysis (COA) with every shipment to ensure consistent quality and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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