Senn Chemicals AG Email Format

Pharmaceutical ManufacturingZurich, Switzerland51-200 Employees

Senn Chemicals AG is a Swiss contract development and manufacturing organization that specializes in peptide chemistry. Since 1963, it has supported customers from intermediates to cGMP APIs, focusing on optimizing processes and enabling scale-up from discovery to commercial production. The company aims for consistent quality, on-time delivery, and budget-conscious execution.

Headquartered near Zurich in Dielsdorf, Switzerland, Senn serves biotechnology, pharmaceutical, diagnostic, cosmeceutical, and veterinary companies worldwide. Its product portfolio includes peptides, amino acid derivatives, small molecules, nucleotides, and excipients, and its services cover novel process development and optimization, analytical method development, scale-up and validation, cGMP manufacturing, and regulatory project management. Recent reports indicate ongoing development of two GLP-1–based APIs, reflecting continued activity in peptide-based therapeutics.

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