Molekula
DL-Leucine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
DL-Leucine is a synthetic amino acid used in biochemical research, cell culture media, and nutritional supplements. It is a racemic mixture of L- and D-enantiomers, serving as a building block for protein synthesis and metabolic studies. Available in powder form with a molecular weight of 131.17 g/mol, CAS number 328-39-2, and molecular formula C6H13NO2. Stable at ambient temperature with no signal word required. Molekula supplies DL-Leucine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £30.90 per pack ex VAT · £37.08 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 45566845 |
| CAS Number | 328-39-2 |
| IUPAC Name | 2-amino-4-methylpentanoic acid |
| EC Number | 206-328-2 |
| Molecular Formula | C6H13NO2 |
| Molecular Weight | 131.17 |
| Exact Mass | 131.0946 |
| SMILES | CC(C)CC(C(=O)O)N |
| InChIKey | ROHFNLRQFUQHCH-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9) |
| PubChem CID | 857 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2922.49.4950 |
| Tariff Code | 2922498590 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, Spanish.
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
- ( inverted exclamation markA)-Leucine
- (+-)-Leucine
- (RS)-Leucine
- 2-Amino-4-methylpentanoic acid
- DL-2-Amino-4-methylpentanoic acid
- DL-LEUCINE (15N)
- H-DL-Leu-OH
- Leucine, DL-
- Leuzin
- WLN: QVYZ1Y1 & 1-D
Frequently asked questions
What is DL-Leucine used for?
DL-Leucine is used in biochemical research, cell culture media, and as a building block in peptide synthesis.
What is the chemical formula and molecular weight of DL-Leucine?
The formula is C6H13NO2 with a molecular weight of 131.17 g/mol.
How should DL-Leucine be stored?
Store at ambient temperature, protected from moisture and light.
What grade of DL-Leucine does Molekula supply?
Molekula supplies DL-Leucine in high-purity research grade.
Can Molekula supply DL-Leucine in bulk?
Yes, Molekula can supply DL-Leucine in bulk quantities—please contact sales for details.
What documentation comes with a DL-Leucine order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS).
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.