Peptide APIs
cGMP FDA inspected Solid Phase Synthesis Solution Phase Synthesis
Made in Switzerland From early research to commercial phase

Small Molecules
, Resins, Excipients,

Senn’s expertise in solid and liquid phase technologies has allowed us to develop significant expertise in the manufacture of small molecules. Furthermore, we provide custom made excipients, resins and carbohydrates according to your needs. We are dedicated to achieving your yield and budgetary goals.


One is not born with experience, and in my profession I use it every day.

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Headquarters Senn Chemicals AG | Guido Senn-Strasse 1 | CH-8157 Dielsdorf
Phone: +41 43 422 24 00 |