L-Phenylalanine ethyl ester hydrochloride
L-Phenylalanine ethyl ester hydrochloride (CAS: 3182-93-2) is a hydrochloride salt derivative of the amino acid phenylalanine. With a molecular weight of 229.70 g/mol, it serves as a valuable building block in organic synthesis, particularly within peptide chemistry and biochemical research. Its defined chemical structure and properties make it a reliable reagent for creating more complex molecules and for studying biological pathways.

Peptide Synthesis
L-Phenylalanine ethyl ester hydrochloride is employed as a protected amino acid derivative in the stepwise synthesis of peptides. The ethyl ester group offers a suitable protecting strategy for the carboxyl terminus during coupling reactions.
Chemical Synthesis
This compound is utilized as a chiral building block in the construction of complex organic molecules. Its phenylalanine backbone provides a chiral center useful in asymmetric synthesis.
Biochemical Research
It can be used as a reagent or intermediate in studies related to amino acid metabolism, enzyme inhibition, or as a precursor for labelled compounds in biological assays.
| Molecular weight | 229.70 |
|---|---|
| Linear formula | C6H5CH2CH(NH2)COOC2H5 · HCl |
| Assay | 99% |
| Optical activity | [α]20/D −7.8°, c = 2 in H2O |
| Melting point | 155-156 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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-Phenylalanine ethyl ester hydrochloride used for?
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L-Phenylalanine ethyl ester hydrochloride is primarily used in peptide synthesis, chemical synthesis as a chiral building block, and in biochemical research.
What are the CAS number and molecular formula for L-Phenylalanine ethyl ester hydrochloride?
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The CAS number is 3182-93-2. The linear formula is C6H5CH2CH(NH2)COOC2H5 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Phenylalanine ethyl ester hydrochloride with an assay of 99%. This product is typically considered a research or technical grade, and TSS does not represent it as USP, BP, or EP grade.
How should L-Phenylalanine ethyl ester hydrochloride be handled safely?
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This compound is a skin, eye, and respiratory irritant (H315, H319, H335). Handle with appropriate personal protective equipment including a dust mask (N95), eyeshields, and gloves. Ensure adequate ventilation.
Is L-Phenylalanine ethyl ester hydrochloride a controlled substance?
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The provided data does not indicate that L-Phenylalanine ethyl ester hydrochloride is a controlled substance.
How is this chemical packed and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Products are carefully packed according to international shipping regulations to ensure safe transit and are exported worldwide.
How can I request a sample or quote for L-Phenylalanine ethyl ester hydrochloride?
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To request a sample or a quote, please contact our sales team through the website or via the provided contact details, specifying the product name and CAS number.
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