Description

3-Hydroxy-4-Methoxyphenylacetic Acid is a versatile aromatic acid derivative, also known as homovanillic acid, serving as a key intermediate in advanced organic synthesis. Its value lies in its phenolic and carboxylic acid functional groups, which make it a crucial building block for creating more complex molecules. This compound is primarily needed by the pharmaceutical, agrochemical, and fine chemical industries for research and manufacturing processes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for cardiovascular and neurological drugs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Fine Chemical Building Block: Employed in the manufacture of dyes, pigments, and specialty polymers requiring specific aromatic structures.
• Biochemical Research: Acts as a metabolite and standard in analytical studies, especially in neurotransmitter research (e.g., dopamine metabolism).
• Flavor & Fragrance Industry: Serves as a starting material for synthesizing certain aromatic compounds used in perfumery.

Basic Information

Product Name	3-Hydroxy-4-Methoxyphenylacetic Acid
CAS No.	1131-94-8
Molecular Formula	C9H10O4
Molecular Weight	182.17 g/mol
Synonyms	Homovanillic Acid; 4-Methoxy-3-hydroxyphenylacetic Acid; 2-(4-Methoxy-3-hydroxyphenyl)acetic Acid; HVA; 3-Hydroxy-4-methoxybenzeneacetic Acid; 4-Methoxy-3-hydroxybenzeneacetic Acid; (4-Methoxy-3-hydroxyphenyl)acetic Acid
EINECS	214-469-1

Quality Control

Our 3-Hydroxy-4-Methoxyphenylacetic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting results from HPLC, IR, and other relevant tests are available upon request to support your quality assurance protocols.

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 strong oxidizing agents, strong bases, and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	140 - 144 °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.