Description

n-Acetyl-L-Tyrosine Ethyl Ester is a chemically modified derivative of the essential amino acid L-Tyrosine, designed for enhanced stability and bioavailability. This high-purity intermediate is critical for pharmaceutical research and development, particularly in peptide synthesis and as a precursor for active pharmaceutical ingredients (APIs). It serves the needs of advanced manufacturers in the pharmaceutical, biotechnology, and nutraceutical sectors seeking reliable, high-quality building blocks for complex formulations.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex peptides and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a substrate or precursor in enzymatic studies and metabolic pathway investigations.
• Peptide Synthesis: An N-acetylated, ethyl-ester protected form of tyrosine for use in solid-phase and solution-phase peptide chemistry.
• Nutraceutical Formulations: Employed in advanced dietary supplements targeting cognitive function and neurotransmitter support.
• Cosmetic Actives: Incorporated into skincare formulations for its potential role in melanin regulation and antioxidant properties.

Basic Information

Product Name	n-Acetyl-L-Tyrosine Ethyl Ester
CAS No.	840-97-1
Molecular Formula	C₁₃H₁₇NO₄
Molecular Weight	251.28 g/mol
Synonyms	N-Acetyl-L-tyrosine ethyl ester; N-Acetyltyrosine ethyl ester; L-Tyrosine, N-acetyl-, ethyl ester; ATEE; Ac-Tyr-OEt; N-Acetyl-O-(4-hydroxyphenyl)-L-tyrosine ethyl ester; Ethyl N-acetyl-L-tyrosinate; (2S)-2-Acetamido-3-(4-hydroxyphenyl)propanoic acid ethyl ester
EINECS	212-656-4

Quality Control

Our n-Acetyl-L-Tyrosine Ethyl Ester 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 pharmaceutical and research applications. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are sealed tightly after 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%
Specific Rotation	-15.0° to -18.0° (c=1 in ethanol)
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.