Description

4-Methoxycinnamic Acid Ethyl Ester is a versatile organic ester derivative of cinnamic acid, valued for its role as a key synthetic intermediate and building block in advanced organic synthesis. Its molecular structure, featuring both a methoxy group and an ethyl ester, makes it a crucial precursor for the development of fine chemicals, pharmaceuticals, and functional materials. This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for applications ranging from drug discovery to the synthesis of UV-absorbing agents.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those with cinnamate-based structures.
• Organic Synthesis Reagent: Used in various organic reactions, including condensation, esterification, and as a precursor for more complex heterocyclic compounds.
• UV Absorber & Sunscreen Agent Precursor: Acts as a starting material for synthesizing organic UV filters and light-stabilizing additives for personal care and polymer formulations.
• Agrochemical Synthesis: Employed in the research and development of novel pesticides and herbicides due to its bioactive scaffold.
• Flavor & Fragrance Ingredient: Used in the synthesis of aroma chemicals, contributing to fruity and balsamic notes in complex fragrance compositions.
• Liquid Crystal & Polymer Chemistry: Functions as a monomer or mesogenic unit in the development of specialty polymers and liquid crystal materials.

Basic Information

Product Name	4-Methoxycinnamic Acid Ethyl Ester
CAS No.	1929-30-2
Molecular Formula	C₁₂H₁₄O₃
Molecular Weight	206.24 g/mol
Synonyms	Ethyl 4-Methoxycinnamate; Ethyl (E)-4-Methoxycinnamate; Ethyl p-Methoxycinnamate; 4-Methoxycinnamic Acid Ethyl Ester; (E)-Ethyl 3-(4-methoxyphenyl)acrylate; p-Methoxycinnamic Acid Ethyl Ester; trans-4-Methoxycinnamic Acid Ethyl Ester; NSC 403697
EINECS	217-677-8

Quality Control

Our 4-Methoxycinnamic Acid Ethyl Ester is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for manufacturing, ensuring reliability for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	48 - 52 °C
Loss on Drying	≤ 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.