(R)-Amino-(4-hydroxyphenyl)acetic acid methyl ester hydrochloride
(R)-Amino-(4-hydroxyphenyl)acetic acid methyl ester hydrochloride (CAS 57591-61-4, C9H11NO3 · HCl) is a chiral building block with a molecular weight of 217.65 g/mol. This unnatural amino acid derivative is primarily utilized in chemical synthesis and peptide chemistry. Its structure makes it a valuable intermediate for creating more complex molecules, particularly in the fields of chemical biology and pharmaceutical research. TSS offers this compound at a purity of 97%.
- IUPAC
- D-p-Hydroxyphenylglycine methyl ester hydrochloride

Chemical Synthesis Intermediate
This compound serves as a versatile chiral intermediate in organic synthesis. Its functional groups allow for further derivatization, enabling the construction of complex molecular architectures.
Peptide Chemistry
As an unnatural amino acid derivative, it is employed in the synthesis of modified peptides. This is crucial for developing novel peptidomimetics or peptides with altered biological activities.
Chemical Biology Research
The unique structure of this molecule makes it suitable for incorporation into probes or compounds used to study biological pathways and interactions. It aids in understanding complex biochemical processes.
| Molecular weight | 217.65 |
|---|---|
| Empirical formula | C9H11NO3 · HCl |
| Assay | 97% |
| Melting point | 187-190 °C(lit.) |
| 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 (R)-Amino-(4-hydroxyphenyl)acetic acid methyl ester hydrochloride used for?
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(R)-Amino-(4-hydroxyphenyl)acetic acid methyl ester hydrochloride (CAS 57591-61-4) is used as a chiral building block in chemical synthesis, particularly in peptide chemistry and chemical biology research.
What is the CAS number and formula for (R)-Amino-(4-hydroxyphenyl)acetic acid methyl ester hydrochloride?
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The CAS number is 57591-61-4 and the empirical formula (Hill notation) is C9H11NO3 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-Amino-(4-hydroxyphenyl)acetic acid methyl ester hydrochloride with an assay of 97%. This is a technical/research grade chemical, and TSS does not represent it as USP, BP, or EP grade.
What are the main safety precautions when handling this chemical?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if necessary. This compound is classified with a WGK Germany rating of 3.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions ensures secure packaging suitable for international shipping and export of fine chemicals, adhering to all relevant regulations.
How can I request a sample or quote for this product?
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You can request a sample or a quote by contacting our sales team through the website or by calling us directly. Please reference the product name and CAS number.
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