Date published: 2026-4-25

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Fmoc-4-tert-butyl-L-phenylalanine (CAS 213383-02-9)

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Alternate Names:
Fmoc-L-Phe(4-tBu)-OH; (S)-Fmoc-2-amino-3-(4-tert-butyl-phenyl)propionic acid
CAS Number:
213383-02-9
Molecular Weight:
443.53
Molecular Formula:
C28H29NO4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Fmoc-4-tert-butyl-L-phenylalanine is a chemical primarily used in the synthesis of peptides, which are chains of amino acids that play vital roles in research and industrial processes. In the laboratory, it is employed in the field of proteomics, aiding scientists in the study of protein structures and functions. The Fmoc group safeguards the amino acid′s reactive parts during the step-by-step construction of peptides. It is specifically favored for its easy removal under mild base conditions, a feature that is in solid-phase peptide synthesis. This compound is also involved in the mechanism of peptide bond formation where its tert-butyl group provides steric hindrance, thus enhancing the specificity of reactions.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Fmoc-4-tert-butyl-L-phenylalanine, 1 g

sc-294765
1 g
$160.00

Fmoc-4-tert-butyl-L-phenylalanine, 5 g

sc-294765A
5 g
$660.00