Methyl (RS)-2-(aminomethyl)-3-phenylpropionate hydrochloride
Methyl (RS)-2-(aminomethyl)-3-phenylpropionate hydrochloride (CAS: 864182-43-4) is a chemical compound with the formula C11H15NO2 · HCl and a molecular weight of 229.70 g/mol. As an unnatural amino acid derivative, it serves as a valuable building block in complex organic synthesis, particularly in the fields of peptide chemistry and chemical biology. Its structure allows for incorporation into modified peptides and other biomolecules.
- IUPAC
- 2-Benzyl-β-alanine methyl ester hydrochloride,Methyl α-(aminomethyl)benzenepropanoate hydrochloride,Methyl 3-amino-2-benzylpropionate hydrochloride
- Synonyms
- 2-Benzyl-β-alanine methyl ester hydrochlorideMethyl α-(aminomethyl)benzenepropanoate hydrochlorideMethyl 3-amino-2-benzylpropionate hydrochloride

Peptide Synthesis
This compound acts as a non-proteinogenic amino acid derivative for the construction of modified peptides. It can be incorporated to alter peptide conformation, stability, or biological activity in research settings.
Chemical Biology Research
Utilised in the design and synthesis of novel biomolecules and probes for studying biological processes. Its unique structure may be beneficial for creating peptidomimetics or labelled compounds.
Organic Synthesis Intermediate
Serves as a versatile intermediate in the synthesis of complex organic molecules. Its functional groups allow for various chemical transformations in multi-step synthetic pathways.
| Molecular weight | 229.70 |
|---|---|
| Empirical formula | C11H15NO2 · HCl |
| Assay | ≥96.5% (HPLC)96.5-103.5% (AT)97% |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Transport (UN / ADR) | UN 3259PSN1 8 / PGII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39 |
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 Methyl (RS)-2-(aminomethyl)-3-phenylpropionate hydrochloride primarily used for?
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Methyl (RS)-2-(aminomethyl)-3-phenylpropionate hydrochloride is primarily used as a building block in chemical synthesis, particularly for peptide chemistry and chemical biology research, enabling the creation of unnatural amino acid derivatives and modified peptides.
What are the CAS number and chemical formula?
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The CAS number is 864182-43-4 and the chemical formula is C11H15NO2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of ≥96.5% (HPLC), 96.5-103.5% (AT), or 97% as indicated. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
How should Methyl (RS)-2-(aminomethyl)-3-phenylpropionate hydrochloride be handled safely?
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This compound is classified as Danger with hazard statement H314, indicating it causes severe skin burns and eye damage. Appropriate personal protective equipment, including gloves, eye protection, and protective clothing, should be worn. Handle in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for comprehensive handling instructions.
Is this chemical suitable for food, pharmaceutical, or medical applications?
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Based on the provided data, this chemical is supplied for research and laboratory use. It is not indicated or represented as suitable for food, pharmaceutical, or medical applications.
How is this product packed and shipped?
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This product is packed and shipped according to UN 3259 classification, with hazard class 8 and packing group II. TSS exports fine chemicals globally, adhering to international shipping regulations.
How can I request a quote or sample?
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To request a quote or a sample, please contact the Tech Serve Solutions sales team through our website or by phone, providing the product name and CAS number.
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