Description

L-Leucyl-L-Tyrosine is a high-purity dipeptide composed of the amino acids leucine and tyrosine. This compound serves as a critical biochemical building block and research tool, valued for its role in peptide synthesis and metabolic studies. It is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and nutraceutical sectors who require reliable, high-quality peptide intermediates for advanced applications.

Application

• Pharmaceutical Intermediate: Used in the synthesis of more complex therapeutic peptides and active pharmaceutical ingredients (APIs).
• Biochemical Research: Serves as a standard or substrate in enzymatic studies, metabolic pathway analysis, and proteomics research.
• Cell Culture Media Supplement: Acts as a component in specialized cell culture formulations to support specific cellular growth and function.
• Cosmetic Peptide Synthesis: Incorporated as a raw material in the production of bioactive peptides for advanced skincare and cosmetic formulations.
• Nutritional Science: Studied for its potential role in amino acid delivery systems and specialized nutritional products.
• Reference Standard: Utilized as a high-purity analytical standard in quality control laboratories for HPLC, LC-MS, and other chromatographic methods.

Basic Information

Product Name	L-Leucyl-L-Tyrosine
CAS No.	968-21-8
Molecular Formula	C15H22N2O4
Molecular Weight	294.35 g/mol
Synonyms	Leucyltyrosine; L-Leu-L-Tyr; H-Leu-Tyr-OH; (2S)-2-[[(2S)-2-Amino-4-methylpentanoyl]amino]-3-(4-hydroxyphenyl)propanoic acid; Leu-Tyr; N-L-Leucyl-L-tyrosine; L-Tyrosine, N-L-leucyl-; Leucine, N-(N-L-tyrosyl)-
EINECS	213-537-7

Quality Control

Our L-Leucyl-L-Tyrosine is manufactured under strict quality management systems. Each batch is subjected to rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards suitable for research and production. Certificates of Analysis (COA) documenting full specifications 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 material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation [α]20/D	-20.0° to -25.0° (c=1 in 1N HCl)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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