L-Leucine tert-butyl ester hydrochloride
L-Leucine tert-butyl ester hydrochloride (CAS: 2748-02-9) is a modified amino acid derivative with a molecular weight of 223.74 g/mol. Its linear formula is (CH3)2CHCH2CH(NH2)COOC(CH3)3 · HCl. This compound is primarily utilised in chemical synthesis and research applications. Stored at -20°C, it serves as a valuable building block in organic chemistry and biochemical studies, contributing to the development of novel compounds and methodologies within research laboratories.

Organic Synthesis Intermediate
L-Leucine tert-butyl ester hydrochloride serves as a key intermediate in the synthesis of complex organic molecules. Its protected amino and carboxyl groups allow for selective reactions in multi-step synthetic pathways.
Peptide Synthesis
This compound can be employed in the synthesis of peptides, acting as a protected leucine residue. The tert-butyl ester functionality provides a stable protecting group that can be selectively removed under specific conditions.
Biochemical Research
As a modified amino acid derivative, it finds application in biochemical research, potentially for studying enzyme mechanisms or developing labelled compounds for metabolic tracing.
| Molecular weight | 223.74 |
|---|---|
| Linear formula | (CH3)2CHCH2CH(NH2)COOC(CH3)3 · HCl |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is L-Leucine tert-butyl ester hydrochloride used for?
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L-Leucine tert-butyl ester hydrochloride is used as an intermediate in organic synthesis, particularly in peptide synthesis and biochemical research.
What is the CAS number and formula for L-Leucine tert-butyl ester hydrochloride?
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The CAS number is 2748-02-9, and the linear formula is (CH3)2CHCH2CH(NH2)COOC(CH3)3 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Leucine tert-butyl ester hydrochloride for research purposes. The specific assay and purity are available on the product's Certificate of Analysis. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should L-Leucine tert-butyl ester hydrochloride be handled and stored?
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Handle L-Leucine tert-butyl ester hydrochloride with appropriate personal protective equipment, including eyeshields, gloves, and a type N95 respirator filter. Store the compound at -20°C.
Is L-Leucine tert-butyl ester hydrochloride a hazardous substance?
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L-Leucine tert-butyl ester hydrochloride has a WGK Germany rating of 3, indicating it is hazardous to water. Appropriate safety precautions must be taken during handling and disposal.
How is L-Leucine tert-butyl ester hydrochloride shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, ensuring compliant packaging and documentation for international shipments of L-Leucine tert-butyl ester hydrochloride.
How can I request a sample or quote for L-Leucine tert-butyl ester hydrochloride?
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To request a sample or obtain a quote for L-Leucine tert-butyl ester hydrochloride, please contact the Tech Serve Solutions sales team through our website or by phone.
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