L-Leucine
- CAS No.61-90-5
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High-purity L-Leucine (CAS 61-90-5), a vital branched-chain amino acid (BCAA) essential for muscle protein synthesis, widely used in dietary supplements, infant formula, and clinical nutrition.
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Product Overview
L-Leucine is an essential branched-chain amino acid (BCAA) that cannot be synthesized by the human body and must be obtained through dietary sources or supplementation. As a key component of muscle protein, L-Leucine plays a critical role in stimulating muscle protein synthesis, supporting metabolic health, and aiding recovery in clinical and athletic populations. Our pharmaceutical-grade L-Leucine meets stringent international pharmacopeial standards including USP, EP, JP, and FCC, ensuring reliability for nutraceutical and medical applications.
Specifications
| CAS No | 61-90-5 |
|---|---|
| Assay (Dry Basis) | 99.0–101.0% |
| Appearance | White crystals or crystalline powder, odorless or with a slightly characteristic odor and slightly bitter taste |
| pH (1% solution) | 5.5–6.5 |
| Specific Rotation [α]²⁰D | +14.9° to +16.0° |
| Loss on Drying | Not more than 0.20% |
| Residue on Ignition | Not more than 0.10% |
| Heavy Metals (as Pb) | Not more than 10 ppm |
| Arsenic (as As₂O₃) | Not more than 1 ppm |
| Endotoxin | Less than 6.0 EU/g (endotoxin-certified grade available upon request) |
Industrial Applications
L-Leucine is extensively utilized across multiple high-value sectors due to its biological efficacy and regulatory acceptance:
- Dietary Supplements: A core ingredient in BCAA formulations targeting muscle growth, exercise recovery, and metabolic support.
- Infant Nutrition: Included in specialized infant formulas to ensure adequate amino acid intake for healthy development.
- Clinical Nutrition: Used in parenteral and enteral feeding solutions for patients requiring nutritional support.
- Cell Culture Media: Serves as a critical nutrient in biopharmaceutical manufacturing and research applications.
Stored under controlled room temperature in tightly sealed containers, our L-Leucine maintains stability and purity throughout its shelf life. Available in 25 kg and 50 kg packaging, it is ideal for bulk industrial use with full documentation including Certificate of Analysis (COA) and compliance with residual solvent guidelines per current JP, USP, and EP monographs.
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