Description

3,4-Dimethoxy-L-Phenylalanine is a non-proteinogenic amino acid derivative featuring methoxy substitutions on the aromatic ring. This compound serves as a critical chiral building block and intermediate in the synthesis of complex pharmaceutical agents and fine chemicals. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, biotechnology, and advanced organic synthesis sectors for developing active pharmaceutical ingredients (APIs) and novel compounds.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of dopaminergic agents, enzyme inhibitors, and other therapeutic molecules.
• Biochemical Research: Used as a standard or reagent in studies involving amino acid metabolism, neurotransmitter analogs, and enzyme-substrate interactions.
• Peptide Synthesis: Incorporation into custom peptides to modify structure, stability, or biological activity for research and drug discovery.
• Asymmetric Synthesis: Employed as a chiral auxiliary or starting material for constructing enantiomerically pure compounds in fine chemical production.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in pharmaceutical laboratories.

Basic Information

Product Name	3,4-Dimethoxy-L-Phenylalanine
CAS No.	32161-30-1
Molecular Formula	C11H15NO4
Molecular Weight	225.24 g/mol
Synonyms	L-3,4-Dimethoxyphenylalanine; (S)-2-Amino-3-(3,4-dimethoxyphenyl)propanoic acid; O-Methyl-DOPA; 3,4-Dimethoxy-DL-phenylalanine (racemic mixture); DMPA; 3,4-Dimethoxyphenylalanine; 3-(3,4-Dimethoxyphenyl)-L-alanine
EINECS	Contact for details

Quality Control

Our 3,4-Dimethoxy-L-Phenylalanine is manufactured under a strict quality management system. Each batch is subjected to comprehensive analytical testing, including HPLC for purity, chiral analysis for enantiomeric excess, and identity confirmation by IR and NMR. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or cGMP-grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Enantiomeric Purity (Chiral HPLC)	≥99.0% (L-Isomer)
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.