Description

L-Leucine for Biochemistry, 99+% is a high-purity, essential branched-chain amino acid (BCAA) critical for protein synthesis and metabolic regulation. Its exceptional purity grade makes it indispensable for research and development where precise biochemical interactions must be studied without interference from contaminants. This product is primarily targeted at the life sciences sector, serving as a fundamental building block for cell culture media formulation, enzymatic studies, pharmaceutical intermediates, and nutritional biochemistry research.

Application

• Biochemical Research & Cell Culture: A key component in defined cell culture media and nutrient broths for mammalian and microbial cell growth.
• Pharmaceutical Intermediates: Used in the synthesis of peptides, active pharmaceutical ingredients (APIs), and diagnostic agents.
• Enzymology & Metabolic Studies: Serves as a substrate or standard in enzymatic assays and metabolic pathway analysis.
• Nutritional Science: Employed in research on protein metabolism, sports nutrition, and clinical dietary formulations.
• Diagnostic Reagents: A raw material for manufacturing in-vitro diagnostic (IVD) kits and calibration standards.
• Microbiology: Used in the preparation of selective media for bacterial identification and growth studies.

Basic Information

Product Name	L-Leucine for Biochemistry, 99+%
CAS No.	61-90-6
Molecular Formula	C6H13NO2
Molecular Weight	131.17 g/mol
Synonyms	(S)-2-Amino-4-methylpentanoic acid; L-2-Amino-4-methylvaleric acid; (S)-Leucine; Leucine; H-Leu-OH; L-Leu; (S)-2-Amino-4-methylpentanoate; NSC 9258
EINECS	200-522-0

Quality Control

Our L-Leucine for Biochemistry, 99+% is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, specific optical rotation, and tests for related substances and residual solvents, to ensure it meets the stringent requirements for biochemical applications. A Certificate of Analysis (COA) is provided with every shipment, detailing all specification results.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed after each use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
Specific Optical Rotation	+14.9° to +16.0° (c=2 in 6N HCl)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 1.0%

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