(S)-(+)-4-Nitrophenylalanine methyl ester hydrochloride
(S)-(+)-4-Nitrophenylalanine methyl ester hydrochloride (CAS: 17193-40-7) is a chemical compound with the formula O2NC6H4CH2CH(NH2)CO2CH3 · HCl and a molecular weight of 260.67 g/mol. This derivative of phenylalanine is valuable in chemical synthesis and peptide chemistry. It serves as a building block for creating complex molecules and modified peptides in research and development settings.
- IUPAC
- p-Nitrophenylalanine methyl ester hydrochloride,Methyl 4-nitro-L-phenylalaninate hydrochloride

Peptide Synthesis
Utilised as an unnatural amino acid derivative in the construction of modified peptides, enabling the study of structure-activity relationships and the development of novel peptide-based therapeutics.
Chemical Synthesis Intermediate
Serves as a key intermediate in the synthesis of various organic compounds, particularly those requiring a nitrophenylalanine moiety for further functionalization or incorporation into larger molecular structures.
Biochemical Research
Employed in chemical biology research to introduce specific structural features into biomolecules, aiding in the investigation of biological processes and the development of new research tools.
| Molecular weight | 260.67 |
|---|---|
| Linear formula | O2NC6H4CH2CH(NH2)CO2CH3 · HCl |
| Assay | 97% |
| Melting point | 210-214 °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 (S)-(+)-4-Nitrophenylalanine methyl ester hydrochloride used for?
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(S)-(+)-4-Nitrophenylalanine methyl ester hydrochloride is primarily used as a building block in chemical synthesis, particularly in peptide chemistry and biochemical research, to create modified peptides and complex organic molecules.
What is the CAS number and chemical formula?
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The CAS number is 17193-40-7, and the chemical formula is O2NC6H4CH2CH(NH2)CO2CH3 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-(+)-4-Nitrophenylalanine methyl ester hydrochloride with an assay of 97%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should this chemical be handled?
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Appropriate personal protective equipment, including eyeshields and gloves, should be worn. A type N95 (US) or type P1 (EN143) respirator filter is recommended for respiratory protection.
Is this product available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (S)-(+)-4-Nitrophenylalanine methyl ester hydrochloride.
How can I request a sample or quote?
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Please contact our sales team via the website or directly by phone to request a sample or a quotation for (S)-(+)-4-Nitrophenylalanine methyl ester hydrochloride.
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