Description

Pretyrosine is a specialized aromatic amino acid derivative with the CAS registry number 53078-86-7, serving as a crucial chiral building block and intermediate in advanced organic synthesis. Its unique structural features make it valuable for the research and development of novel pharmaceutical compounds and bioactive molecules. This high-purity intermediate is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for neurological and metabolic drugs.
• Agrochemical Research: Used in developing novel herbicides, fungicides, and plant growth regulators with enhanced specificity.
• Biochemical Research: Serves as a substrate or inhibitor in enzymatic studies and metabolic pathway investigations.
• Peptide Synthesis: Employed as a modified tyrosine analogue for constructing specialized peptides with altered properties.
• Fine Chemical Synthesis: A versatile building block for creating complex organic molecules, dyes, and specialty polymers.
• Academic & Industrial R&D: Fundamental research tool in medicinal chemistry and chemical biology for exploring new therapeutic modalities.

Basic Information

Product Name	Pretyrosine
CAS No.	53078-86-7
Molecular Formula	C9H11NO3
Molecular Weight	181.19 g/mol
Synonyms	L-Pretyrosine; (S)-2-Amino-3-(4-hydroxyphenyl)propanoic acid derivative; 3-(4-Hydroxyphenyl)-2-aminopropanoic acid precursor; Tyrosine precursor; Aromatic amino acid intermediate; β-(4-Hydroxyphenyl)alanine analogue; HPPA derivative
EINECS	Contact for details

Quality Control

Our Pretyrosine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP guidelines where applicable, and our quality protocols are designed to meet the stringent requirements of pharmaceutical and fine chemical industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Optical Rotation	[α]20/D: Specific range provided on COA
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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