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.
Pricing & pack sizes
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 |
|---|---|
| SKU | 17954292 |
| 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
Safety Data Sheets (SDS)
Available in IT, FR, ES, DE, EN.
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.
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.