Description

L-Tyrosine, Phenylmethyl Ester, Hydrochloride is a protected derivative of the essential amino acid L-Tyrosine, where the carboxylic acid group is esterified with benzyl alcohol. This chemical modification enhances its stability and solubility in organic solvents, making it a crucial synthetic intermediate. It is primarily utilized by pharmaceutical and biotechnology research organizations for the synthesis of peptides, complex organic molecules, and biochemical probes.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of peptide-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used in proteomics and enzymology studies as a substrate or a precursor for labeled compounds.
• Organic Synthesis: Serves as a protected tyrosine derivative for constructing complex organic molecules and natural product analogs.
• Peptide Chemistry: Essential for solid-phase and solution-phase peptide synthesis (SPPS) where side-chain protection is required.
• Reference Standard: Employed as a high-purity analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	L-Tyrosine, Phenylmethyl Ester, Hydrochloride
CAS No.	15035-17-3
Molecular Formula	C16H18ClNO3
Molecular Weight	307.77 g/mol
Synonyms	L-Tyrosine benzyl ester hydrochloride; H-Tyr-OBzl.HCl; Benzyl L-tyrosinate hydrochloride; (S)-2-Amino-3-(4-hydroxyphenyl)propanoic acid benzyl ester hydrochloride; Tyrosine benzyl ester HCl; N-Benzyloxycarbonyltyrosine benzyl ester (related protected form); Boc-Tyr-OBzl (related protected form); Z-Tyr-OBzl (related protected form)
EINECS	Contact for details

Quality Control

Our L-Tyrosine, Phenylmethyl Ester, Hydrochloride is manufactured under a quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for assay, chiral purity, and impurity profiles are available upon request.

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 compound is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Optical Rotation	[α]²⁰D: Specific range available on COA
Loss on Drying	≤1.0%
Heavy Metals	≤20 ppm
Residue on Ignition	≤0.1%
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.