Description

L-Phenylalanine, n-L-Leucyl-, Methyl Ester is a high-purity dipeptide derivative, specifically the methyl ester of the L-Phenylalanyl-L-Leucine dipeptide. This compound is a crucial building block in organic synthesis and pharmaceutical research, valued for its defined stereochemistry and functional groups. It is primarily utilized by researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors for developing novel peptide-based therapeutics and bioactive molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of peptide-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a standard or substrate in enzymatic studies and metabolic pathway investigations.
• Peptide Synthesis: Serves as a protected dipeptide unit in solid-phase and solution-phase peptide synthesis for constructing longer peptide chains.
• Proteomics & Diagnostics: Potential application in the synthesis of specialized peptides used as reagents or markers in diagnostic assays.
• Cosmetic Peptides: A potential raw material for the synthesis of bioactive peptides used in advanced skincare formulations.
• Academic Research: Employed in university and institutional labs for studying peptide chemistry, structure-activity relationships (SAR), and molecular recognition.

Basic Information

Product Name	L-Phenylalanine, n-L-Leucyl-, Methyl Ester
CAS No.	38155-18-9
Molecular Formula	C17H26N2O4
Molecular Weight	322.40 g/mol
Synonyms	L-Phenylalanyl-L-leucine methyl ester; Methyl L-phenylalanyl-L-leucinate; H-Phe-Leu-OMe; Phe-Leu-OMe; L-Phe-L-Leu-OMe; (S)-Methyl 2-((S)-2-amino-3-phenylpropanamido)-4-methylpentanoate; N-[(S)-1-Carboxy-2-phenylethyl]-L-leucine methyl ester
EINECS	Contact for details

Quality Control

Our L-Phenylalanine, n-L-Leucyl-, Methyl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and chiral analysis to ensure stereochemical integrity. Certificates of Analysis (COA) detailing all specifications are provided to guarantee traceability and batch-to-batch consistency, meeting the stringent requirements of research and cGMP manufacturing environments.

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); ensure the container is kept tightly sealed in a low-humidity environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation	Contact for details
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Chiral Purity (HPLC)	≥ 99.0%

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