Description

L-Alanyl-L-Leucine is a high-purity dipeptide composed of the amino acids alanine and leucine. This compound is valued for its role as a building block in advanced biochemical research and as a potential intermediate in the synthesis of more complex peptides and active pharmaceutical ingredients. It serves critical functions for researchers and manufacturers in the pharmaceutical, nutraceutical, and life science industries seeking reliable, high-quality peptide precursors.

Application

• Pharmaceutical Intermediate: Used in the research and development of novel peptide-based therapeutics and active pharmaceutical ingredients (APIs).
• Biochemical Research: Serves as a standard or substrate in enzymatic studies, metabolic pathway analysis, and proteomics research.
• Nutraceutical Formulation: Investigated for potential use in specialized sports nutrition and dietary supplement products targeting muscle metabolism.
• Cell Culture Media: Employed as a component in specialized cell culture media and microbiological growth media formulations.
• Cosmetic Peptides: Acts as a potential raw material in the synthesis of bioactive peptides for advanced skincare and cosmetic applications.
• Enzyme Substrate: Utilized in studies of peptidase and protease activity and specificity.

Basic Information

Product Name	L-Alanyl-L-Leucine
CAS No.	3303-34-2
Molecular Formula	C9H18N2O3
Molecular Weight	202.25 g/mol
Synonyms	Ala-Leu; Alanine Leucine Dipeptide; L-Ala-L-Leu; H-Ala-Leu-OH; N-(2-Aminopropanoyl)leucine; (2S)-2-[[(2S)-2-Aminopropanoyl]amino]-4-methylpentanoic acid; L-Leucine, N-L-alanyl-; NSC 334855
EINECS	221-980-6

Quality Control

Our L-Alanyl-L-Leucine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis for stereochemical integrity, and residual solvent screening. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 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. For long-term storage, consider desiccated conditions.

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

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