Description

L-Tyrosine Ethyl Ester Hydrochloride is a protected derivative of the essential amino acid L-Tyrosine, widely used as a key chiral building block in organic synthesis and pharmaceutical research. Its primary value lies in providing a versatile intermediate with a protected carboxylic acid group and a free phenolic hydroxyl group, enabling selective chemical modifications. This compound is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical industries, particularly for the development of peptides, peptidomimetics, and other bioactive molecules.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of peptide-based drugs, enzyme inhibitors, and other active pharmaceutical ingredients (APIs).
• Biochemical Research: Used in proteomics and enzymology studies as a substrate or precursor for labeled tyrosine derivatives.
• Peptide Synthesis: Serves as a protected tyrosine residue in solid-phase and solution-phase peptide synthesis (SPPS).
• Fine Chemical Production: Employed in the manufacture of advanced materials, liquid crystals, and specialty chemicals requiring tyrosine motifs.
• Reference Standard: Utilized as a high-purity analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	L-Tyrosine Ethyl Ester Hydrochloride
CAS No.	34081-17-9
Molecular Formula	C11H16ClNO3
Molecular Weight	245.70 g/mol
Synonyms	L-Tyrosine ethyl ester HCl; Ethyl L-tyrosinate hydrochloride; (S)-Ethyl 2-amino-3-(4-hydroxyphenyl)propanoate hydrochloride; H-Tyr-OEt·HCl; Tyrosine ethyl ester monohydrochloride; L-Tyrosine O-ethyl ester hydrochloride; 4-Hydroxy-L-phenylalanine ethyl ester hydrochloride; L-Tyrosine, ethyl ester, hydrochloride
EINECS	Contact for details

Quality Control

Our L-Tyrosine Ethyl Ester Hydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification, to ensure it meets the high standards required for research and pharmaceutical applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment.

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) and must be kept under anhydrous conditions. For long-term storage, consider desiccants or inert atmosphere packaging to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Optical Rotation [α]	+8.0° to +10.0° (c=1 in 1N HCl)
Chiral Purity (HPLC)	≥99.0%
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals	≤10 ppm

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