Peptide APIs
cGMP FDA inspected Solid Phase Synthesis Solution Phase Synthesis

Senn Chemicals – your CDMO
for SWISS quality peptides and amino acid derivatives

Made in Switzerland From early research to commercial phase

to Senn

SENN CHEMICALS has been providing custom manufacturing services to pharmaceutical, biotechnology, diagnostic and cosmetic companies worldwide since 1963. Founded by Guido Senn in Dielsdorf, near Zurich, Switzerland, Senn Chemicals' focus today is on the manufacturing of peptides, peptide fragments, amino acid derivatives and small molecules. We are cGMP approved and have been inspected several times by the US FDA.

Senn Chemicals?
- the human element at work

We are an independent, privately owned company comprised of a dedicated team of professionals with a singular purpose: your success. To us, you are not a project. You are not only a client, you are our strategic partner. We know our success depends on yours, which inspires us to provide a level of commitment unprecedented in our industry. From the CEO to the lab technician, we are fully engaged and available to you. Every day. Let us show you the difference a true manufacturing partnership can make.

News | 12.01.2022

New Interview with Dr. Daniel Müller

New Interview with Dr. Daniel Müller, our CEO in the Wirtschaftsforum. Take a look !

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News | 12.01.2022

In-cosmetics Global 05.-07. April 2022 in Paris

Senn Chemicals will attend - In-cosmetics Global 05.-07. April 2022 in Paris- Come and visit us at our booth!

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News | 19.01.2022

Dr. Daniel Müller – CEO of Senn Chemicals AG
Dr. Daniel Müller – CEO of Senn Chemicals AG

Senn Chemicals serves the needs of customers worldwide in the pharmaceutical, biotechnology, cosmeceutical, and nutraceutical fields. Senn Chemicals offers products and services of exceptional value through a combination of state-of-the-art cGMP production facilities, decades of chemical manufacturing experience, a dedicated team of professionals, and commitment to customer service.

Dr. Daniel Müller

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