Peptide APIs
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Amino Acid

As a pioneer in amino acid building block synthesis, Senn offers you its extensive experience and knowledge in the manufacturing of high quality Fmoc-, Boc- and Z-protected amino acid derivatives to very tight specifications.

Additionally, Senn has the resources and keen interest to develop amino acid building blocks with a quality and dedicated for you. It is our philosophy to provide you with specifications that are tailor-made rather than offering a standard quality. Our passion drives us to manufacture and offer what you really need. Some examples of derivatized amino acids are shown below. Our services are available to all kind of derivatized amino acid building blocks and derivatives.

We offer you customized products - please contact for a quotation.

Fmoc-Amino Acids

Standard Fmoc-AA & specialties including: Fmoc-Lys(Boc)-OH, Fmoc-Lys(iPr,Boc)-OH, Fmoc-Arg(Pbf)-OH

Boc-Amino Acids

Standard Boc-AA & specialties including: Boc-Dab(Z)-OBzl, Boc-Ser(Me)-OH, Boc-Lys(Z)-pNA

Z-Amino Acids

Standard Z-AA & specialties including: Z-Arg(Z)2-OH, Z-Orn(Boc)-OH, Z-Ser(tBu)-OH

Beta-Amino Acids

Including: Boc-β-Ala-OH

Amino Acid Esters

Including: H-His(Trt)-OtBu, H-Gly-OtBu·HCl

N-alkylated Amino Acids

Including: Fmoc-MeTyr(Bzl)-OH, Boc-MePhe-OH

Amino Acid N-carboxyanhydrides (NCAs) & Urethane protected Amino Acid N-carboxyanhydrides (UNCAs)

Including: Lys(TFA)-NCA, Boc-Ile-NCA, Fmoc-His(Trt)-NCA

Amino Alcohols

Including: H-Thr-ol, Boc-Leu-ol

Fmoc-Pseudoproline Derivatives

Including: Fmoc-Ser(tBu)-Ser(psiMe,Mepro)-OH

Linkers & Resins

Including: Rink amide linker, MBHA resin

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