Molekula
L-Leucine tert-butyl ester hydrochloride
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
L-Leucine tert-butyl ester hydrochloride is a protected amino acid derivative used in peptide synthesis and pharmaceutical research. It serves as an intermediate in the production of bioactive compounds and drug candidates. Available in powder form, it has a molecular weight of 223.74 g/mol, a CAS number of 2748-02-9, and is stable at ambient temperature. Store under normal conditions with caution due to the warning signal word. Molekula supplies L-Leucine tert-butyl ester hydrochloride 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 | White to off-white powder |
| Melting Point | 160 - 170℃ |
| Water | ≤1.0% |
| Specific rotation | +11.4 +/-2 |
| Assay | 98 - 102% |
| Isomer | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
Identification
| Property | Value |
|---|---|
| SKU | 89985818 |
| CAS Number | 2748-02-9 |
| IUPAC Name | tert-butyl (2S)-2-amino-4-methylpentanoate;hydrochloride |
| Molecular Formula | C10H21NO2 |
| Molecular Weight | 223.74 |
| Exact Mass | 223.1339 |
| SMILES | CC(C)C[C@@H](C(=O)OC(C)(C)C)N.Cl |
| InChIKey | RFUWRXIYTQGFGA-QRPNPIFTSA-N |
| InChI | InChI=1S/C10H21NO2.ClH/c1-7(2)6-8(11)9(12)13-10(3,4)5;/h7-8H,6,11H2,1-5H3;1H/t8-;/m0./s1 |
| PubChem CID | 12451443 |
| REACH Code | Y110 |
| HTS Code | 29224980 |
| Tariff Code | 2922498590 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- (S)-tert-Butyl 2-amino-4-methylpentanoate hydrochloride
- H-Leu-OtBu hydrochloride
- H-Leu-OtBu.HCl
- L-leucin-tert.-butylester-hydrochloride
- L-Leucine t-butyl ester hydrochloride
- L-Leucine t-Butyl Ether Hcl Salt
- L-Leucine tert-butyl ester HCl
- leucine t-butyl ester hydrochloride
- TERT-BUTYL (2S)-2-AMINO-4-METHYLPENTANOATE HYDROCHLORIDE
- tert-Butyl L-Leucinate hydrochloride
Frequently asked questions
What is L-Leucine tert-butyl ester hydrochloride used for?
It is primarily used as an intermediate in peptide synthesis, particularly for the synthesis of leucine-containing peptides.
What is the chemical formula and molecular weight?
The formula is C10H21NO2 and the molecular weight is 223.74 g/mol.
How should it be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
It is available in technical grade; specific purity details can be provided upon request.
Can Molekula supply it in bulk?
Yes, Molekula can supply L-Leucine tert-butyl ester hydrochloride in bulk quantities—please contact us for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA); additional documentation such as SDS 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.