Description

4-Amino-3-Hydroxyphenylacetic Acid is a versatile aromatic amino acid derivative with significant utility in advanced organic synthesis. Its bifunctional structure, featuring both amino and phenolic hydroxyl groups, makes it a valuable intermediate for constructing complex molecules. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for developing active pharmaceutical ingredients (APIs) and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting neurological and cardiovascular pathways.
• Bioconjugation Reagent: Used in the development of antibody-drug conjugates (ADCs) and other targeted therapeutic agents due to its reactive functional groups.
• Fine Chemical Synthesis: Intermediate for producing dyes, pigments, and advanced organic materials requiring specific aromatic architectures.
• Biochemical Research: Serves as a precursor or standard in enzymatic studies and metabolic pathway analysis.
• Chelating Agent Precursor: Used in the manufacture of ligands for metal catalysis and extraction processes.

Basic Information

Product Name	4-Amino-3-Hydroxyphenylacetic Acid
CAS No.	133331-79-0
Molecular Formula	C8H9NO3
Molecular Weight	167.16 g/mol
Synonyms	2-(4-Amino-3-hydroxyphenyl)acetic Acid; 3-Hydroxy-4-aminophenylacetic Acid; 4-Amino-3-hydroxybenzeneacetic Acid; 2-(4-Amino-3-hydroxyphenyl)ethanoic Acid; AHPA; 4-Amino-3-hydroxy-α-toluic Acid
EINECS	Contact for details

Quality Control

Our 4-Amino-3-Hydroxyphenylacetic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and synthesis applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.