Established in 1963 by Guido Senn in Dielsdorf, near Zurich, Switzerland, Senn Chemicals AG is a leading independent, privately-owned company specialising in the custom manufacturing of peptides, peptide fragments, amino acid derivatives, and small molecules. Serving a global clientele across the pharmaceutical, biotechnology, diagnostic, and cosmetic industries, Senn Chemicals is renowned for its commitment to quality and innovation.

With state-of-the-art cGMP production facilities and a team of dedicated professionals, Senn Chemicals offers products and services of exceptional value. The company’s expertise encompasses both solid-phase and liquid-phase peptide synthesis, allowing for the production of a diverse range of high-quality peptide-related products. Senn Chemicals’ refined technologies often eliminate the need for traditional chromatographic purification, thereby saving clients both time and costs.

Key Products and Services:

• Peptides: Manufacture of high-quality peptides for pharmaceutical and cosmetic applications, utilising advanced synthesis techniques to meet specific client requirements.

• Amino Acid Derivatives: Provision of customised derivatised amino acid building blocks, including Fmoc-, Boc-, and Z-amino acids, as well as beta-amino acids and amino acid esters.

• Theranostics & Radiopharmaceuticals: Expertise in cGMP production of radiopharmaceuticals, offering tailored solutions to meet the stringent quality and regulatory standards of the industry.

• Custom Manufacturing Services: Comprehensive support across all phases of drug discovery, development, and manufacturing, including process development, validation, scale-up, and regulatory assistance.

Senn Chemicals’ unwavering dedication to scientific excellence and customer-centric innovation has solidified its reputation as a trusted partner in the life sciences sector. By combining decades of chemical manufacturing experience with cutting-edge technologies, the company continues to drive advancements in peptide development and manufacturing, delivering unparalleled value to its clients worldwide.