(2S, 3S)-3-(Boc-amino)-2-methyl-3-(4-chlorophenyl)propionic acid
(2S, 3S)-3-(Boc-amino)-2-methyl-3-(4-chlorophenyl)propionic acid (CAS: 1217457-67-4), with a molecular formula of C15H20ClNO4 and a molecular weight of 313.78, is a valuable chiral building block. It serves as a key intermediate in asymmetric synthesis and peptide chemistry. This compound is meticulously synthesised to ensure high purity, making it suitable for advanced chemical research and the development of complex organic molecules. Its protected amine functionality and specific stereochemistry are crucial for targeted synthetic strategies.
- Synonyms
- C15H20ClNO4(2S,3S)-3-(tert-butoxycarbonylamino)-2-methyl-3-(4-chlorophenyl)propanoic acid

Asymmetric Synthesis
This chiral compound is instrumental in asymmetric synthesis, enabling the stereoselective construction of complex molecules. Its defined stereocentres are critical for controlling the chirality of new compounds.
Peptide Chemistry
As an unnatural amino acid derivative, it is employed in peptide chemistry for the synthesis of modified peptides. The Boc-protected amine allows for controlled incorporation into peptide chains.
Organic Building Block
It functions as a versatile organic building block in the synthesis of various fine chemicals and pharmaceutical intermediates. The presence of a 4-chlorophenyl group offers a site for further functionalization.
Chemical Biology Research
This molecule can be utilised in chemical biology to create novel probes or modified biomolecules for studying biological processes. Its unique structure aids in exploring structure-activity relationships.
| Molecular weight | 313.78 |
|---|---|
| Empirical formula | C15H20ClNO4 |
| Assay | ≥93.0% (HPLC) |
| Storage temperature | 2-8°C |

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 (2S, 3S)-3-(Boc-amino)-2-methyl-3-(4-chlorophenyl)propionic acid used for?
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This compound is primarily used as a chiral building block in asymmetric synthesis and peptide chemistry, and as an intermediate in the development of complex organic molecules and pharmaceutical compounds.
What is the CAS number and formula for this chemical?
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The CAS number is 1217457-67-4, and the empirical formula is C15H20ClNO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with a purity of ≥93.0% (HPLC). We do not represent this product as meeting USP, BP, EP, or other pharmacopoeial standards.
How should (2S, 3S)-3-(Boc-amino)-2-methyl-3-(4-chlorophenyl)propionic acid be handled?
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This compound is a Warning irritant (H315-H319-H335). Handle with appropriate personal protective equipment, including a dust mask (type N95 recommended), eyeshields, and gloves, in a well-ventilated area to avoid respiratory irritation. Refer to the safety data sheet for full handling instructions.
How is this chemical packed and shipped?
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This chemical is typically stored at 2-8°C. TSS exports fine chemicals globally, adhering to all relevant shipping regulations.
How can I request a sample or quote?
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To request a sample or obtain a quotation, please visit the product page on the Tech Serve Solutions website and use the 'Request a Quote' or 'Request Sample' functionality, or contact our sales team directly.
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