Senn

Pioneering Swiss chemical manufacturing since 1963

Senn Chemicals, established in 1963 by Guido Senn, operates from Dielsdorf, near Zurich, Switzerland. The company has built its reputation in amino acid building block synthesis, serving various industries including pharmaceutical, biotechnology, and cosmetic lab sectors.

Advanced manufacturing capabilities

Operating from a state-of-the-art facility in Dielsdorf, Senn Chemicals specializes in peptide synthesis and amino acid derivatives production. The company’s manufacturing capacity includes solution phase synthesis facilities up to 2,500L, enabling the production of complex peptides using both linear and convergent strategies.

Technical expertise and quality assurance

The Swiss facility maintains high manufacturing standards with:

• Solution and solid phase synthesis capabilities
• Advanced preparative HPLC systems
• Lyophilisation technology
• cGMP-compliant manufacturing processes
• Regular US FDA facility inspections

Services across multiple industries

From their Zurich region facility, Senn Chemicals provides:

• Custom peptide manufacturing
• Amino acid derivatives production
• Small molecule synthesis
• API development and production

Strategic location and future growth

Based in Switzerland’s biotechnology hub, Senn Chemicals leverages its location to serve global markets. The company is expanding its production capabilities to meet increasing demand in the peptide market, with a focus on API production and contract development services.

Quality standards and compliance

Operating under Swiss quality standards, the Dielsdorf facility maintains strict adherence to international manufacturing regulations, positioning Senn Chemicals as a reliable partner for pharmaceutical and biotechnology manufacturing projects.