Molekula
L-Leucine
L-Leucine is an essential branched-chain amino acid used in nutritional supplements, cell culture media, and metabolic research. It plays a key role in protein synthesis and muscle recovery. Available in powder form with a purity of ≥98%, CAS number 61-90-5, molecular formula C6H13NO2, and molecular weight 131.17 g/mol. Stored at ambient temperature. Molekula supplies L-Leucine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
L-Leucine is an essential branched-chain amino acid used in nutritional supplements, cell culture media, and metabolic research. It plays a key role in protein synthesis and muscle recovery. Available in powder form with a purity of ≥98%, CAS number 61-90-5, molecular formula C6H13NO2, and molecular weight 131.17 g/mol. Stored at ambient temperature. Molekula supplies L-Leucine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | white or almost white crystalline powder or shiny flakes |
| Impurity | ≤2.0% |
| Specific rotation | +14.9 to +17.3° |
| Identification | Conforms to reference |
| pH | 5.5-7.0 |
| Loss on Drying | ≤0.2% |
| Sulfate (SO4) | ≤0.03% |
| Chloride (Cl) | ≤0.05% |
| Assay | 98.5 to 101.5% |
| Residue on Ignition | ≤0.4% |
| Iron (Fe) | ≤30ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 61-90-5 |
| Molecular Formula | C6H13NO2 |
| Molecular Weight | 131.17 |
| SMILES | O=C(O)C(N)CC(C)C |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29224949 |
| Tariff Code | 2922498590 |
Safety & GHS
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P403+233 Store in a well ventilated place. Keep container tightly closed
- P501 Dispose of contents/container to an approved waste disposal plant
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is L-Leucine used for?
L-Leucine is primarily used in nutritional supplements and research applications as an essential branched-chain amino acid for protein synthesis and muscle recovery.
What is the chemical formula and molecular weight of L-Leucine?
The chemical formula is C6H13NO2 and the molecular weight is 131.17 g/mol.
How should L-Leucine be stored?
L-Leucine should be stored at ambient temperature, protected from moisture and light.
What grade of L-Leucine is available?
Molekula supplies L-Leucine in research grade, suitable for laboratory and analytical use.
Can Molekula supply L-Leucine in bulk?
Yes, Molekula can supply L-Leucine in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of L-Leucine?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.