Description

4-Ethoxy-3-Methoxyphenylacetic Acid is a high-purity aromatic acid derivative characterized by its distinct ethoxy and methoxy substituents. This compound serves as a versatile and critical pharmaceutical intermediate and fine chemical building block for advanced organic synthesis. It is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality raw materials for complex molecule production.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for cardiovascular and neurological drugs.
• Agrochemical Synthesis: Building block for developing advanced herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Used in the manufacture of dyes, pigments, and specialty polymers requiring specific aromatic acid functionalities.
• Research & Development: Valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.
• Flavor and Fragrance Industry: Intermediate for synthesizing complex aromatic compounds used in high-value perfumery and flavoring agents.

Basic Information

Product Name	4-Ethoxy-3-Methoxyphenylacetic Acid
CAS No.	120-13-8
Molecular Formula	C11H14O4
Molecular Weight	210.23 g/mol
Synonyms	2-(4-Ethoxy-3-methoxyphenyl)acetic Acid; Homoveratric Acid Ethyl Ether; 3-Methoxy-4-ethoxyphenylacetic Acid; 4-Ethoxy-3-methoxybenzeneacetic Acid; (4-Ethoxy-3-methoxyphenyl)acetic Acid; Ethyl Homoveratrate; NSC 403107
EINECS	204-375-6

Quality Control

Our 4-Ethoxy-3-Methoxyphenylacetic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring GMP-grade intermediates and materials for regulated industries.

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. The product is moisture-sensitive; ensure the container is sealed after each use to prevent absorption of water vapor.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	98°C - 102°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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