Boc-l-leucine, 99%

Name: Boc-l-leucine, 99%
Brand: Vaqora Chemicals
SKU: VQ-002200

About Boc-l-leucine, 99%

Vaqora Chemicals supplies Boc-l-leucine in Biochemistry grade, a protected amino acid registered under CAS number 13139-15-6 at a purity of 99%. Formula C11H21NO4, molecular weight 231.29 g/mol. The IUPAC name is (2S)-4-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoic acid. Alternative names: Boc-Leu-OH and tert-Butoxycarbonyl-L-leucine.

The product is provided as a solid. Key physical data: a melting point of 85-90 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span solid-phase peptide synthesis (SPPS), peptide drug discovery, medicinal chemistry and organic synthesis. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

We offer Boc-l-leucine in 5 g, 25 g, 100 g and 5 x 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Solid-phase peptide synthesis (SPPS)
Peptide drug discovery
Medicinal chemistry
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Boc-l-leucine, 99%
Catalogue No.	VQ-002200
CAS Number	13139-15-6
IUPAC name	(2S)-4-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoic acid
Molecular formula	C₁₁H₂₁NO₄
Molecular weight	231.29 g/mol
Exact mass	231.1471
Grade	Biochemistry
Purity / assay	99%
HSN code	29379020
InChIKey	MDXGYYOJGPFFJL-QMMMGPOBSA-N
SMILES	CC(C)C[C@@H](C(=O)O)NC(=O)OC(C)(C)C
PubChem CID	83170

Physical properties
Physical form	Solid
Appearance	Solid
Melting point	85-90 °C
LogP (XLogP3)	2.2
H-bond donors / acceptors	2 / 4
TPSA	75.6 Å²
Synonyms	Boc-Leu-OH, tert-Butoxycarbonyl-L-leucine, N-tert-Butoxycarbonylleucine, N-tert-Butyloxycarbonyl-L-leucine, tert-Butyloxycarbonyl-L-leucine, tert-Butyloxycarbonylleucine, L-Leucine, N-[(1,1-dimethylethoxy)carbonyl]-, N-((1,1-Dimethylethoxy)carbonyl)-L-leucine, N-[(1,1-Dimethylethoxy)carbonyl]-L-leucine, Leucine, N-carboxy-, N-tert-butyl ester, L-, Boc-Leu-OH monohydrate, L-Leucine, N-((1,1-dimethylethoxy)carbonyl)-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Boc-l-leucine, 99%?

The CAS Registry Number of Boc-l-leucine, 99% is 13139-15-6. It is also known as Boc-Leu-OH, tert-Butoxycarbonyl-L-leucine, N-tert-Butoxycarbonylleucine.

What is the molecular formula and molecular weight of Boc-l-leucine, 99%?

Boc-l-leucine, 99% has the molecular formula C11H21NO4 and a molecular weight of 231.29 g/mol. Its IUPAC name is (2S)-4-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoic acid.

Which grade and pack sizes of Boc-l-leucine, 99% can I order?

We supply Boc-l-leucine, 99% in Biochemistry (99%) grade, in 5 g, 25 g, 100 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Boc-l-leucine, 99%?

Yes. Every lot of Boc-l-leucine, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Boc-l-leucine, 99% be shipped internationally?

Yes. Boc-l-leucine, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.