L-β-Homotryptophan hydrochloride
L-β-Homotryptophan hydrochloride (CAS: 339994-86-4), with the molecular formula C12H14N2O2 · HCl and a molecular weight of 254.71 g/mol, is a non-proteinogenic amino acid derivative. It is primarily utilised in chemical biology and peptide chemistry research. Its unnatural structure offers unique properties for modifying peptide sequences and investigating biological pathways, serving as a valuable building block in synthetic chemistry.
- IUPAC
- (S)-3-Amino-4-(3-indolyl)butyric acid hydrochloride

Peptide Synthesis
L-β-Homotryptophan hydrochloride can be incorporated into peptide chains to create novel structures with altered biological activity or stability. Its beta-amino acid nature allows for unique conformational properties compared to alpha-amino acids.
Chemical Biology Research
This compound serves as a tool in chemical biology to probe protein structure-function relationships or to develop new biochemical assays. Its incorporation can introduce specific spectroscopic or binding properties.
Organic Synthesis Building Block
As an unnatural amino acid derivative, it is employed in synthetic organic chemistry for the construction of complex molecules and pharmaceutical intermediates. Its specific stereochemistry and functional groups are advantageous in targeted synthesis.
| Molecular weight | 254.71 |
|---|---|
| Empirical formula | C12H14N2O2 · HCl |
| Assay | ≥98.0% (TLC) |
| 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-β-Homotryptophan hydrochloride used for?
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L-β-Homotryptophan hydrochloride is used in research for applications such as peptide synthesis, chemical biology studies, and as a building block in organic synthesis. It is particularly valuable for creating modified peptides and probing biological systems.
What are the CAS number and formula for L-β-Homotryptophan hydrochloride?
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The CAS number for L-β-Homotryptophan hydrochloride is 339994-86-4, and its molecular formula is C12H14N2O2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-β-Homotryptophan hydrochloride with an assay of ≥98.0% (TLC). This product is intended for research and development use and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should L-β-Homotryptophan hydrochloride be handled?
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Handling L-β-Homotryptophan hydrochloride requires appropriate safety measures. Personal protective equipment, including eyeshields and gloves, is essential. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne exposure is possible, aligning with its WGK Germany rating of 3.
Is L-β-Homotryptophan hydrochloride a controlled substance?
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The provided data does not indicate that L-β-Homotryptophan hydrochloride is a controlled substance.
How is L-β-Homotryptophan hydrochloride packed and shipped?
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Tech Serve Solutions, as a global supplier and exporter, ensures appropriate packaging and shipping for L-β-Homotryptophan hydrochloride, adhering to all necessary regulations for chemical export.
How can I request a sample or quote for L-β-Homotryptophan hydrochloride?
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To request a sample or quote for L-β-Homotryptophan hydrochloride, please contact our sales team through the website or by phone, referencing the product CAS number 339994-86-4.
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