PSL - Premium peptides for excellent results
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PSL Peptide Specialty Laboratories GmbH:
Customized peptide syntheses and peptide-specific antibodies.

Based at the Heidelberg Technology Park on the university campus, we specialize in customized peptide synthesis and peptide-specific antibodies.

PSL Peptide Specialty Laboratories GmbH – Partners in research

As a spin-off of the German Cancer Research Center (DKFZ), under the direction of the chemist Dr Hans-Richard Rackwitz, we work on a worldwide basis for research institutes, universities and companies. For them, we synthesize peptides for drug research. We produce peptides as substrates for enzymes or perform modifications of peptides with specific properties that cannot be created naturally.

Our claim – for your success

We want your research projects to be successful. Therefore all our products are HPLC purified and have a purity of at least 90% to 95%. As we know from experience, experiments with lower degrees of purity are risky and often incur high costs in the second stage.

If you have the option of purifying our synthesised peptides  yourself, we can also offer lower grades of purity on request.

We are ISO certified

See our certificate here

Fast-flexible-strong in consultation

Choosing the optimal starting materials is critical to the success of a research project. We support our clients with our professional advice and put your project on a solid foundation.

The delivery time for our products is generally two to three weeks. In urgent cases, we can provide the peptides you need within one week for an additional charge.


Dr. Hans-Richard Rackwitz

… conducted his doctoral thesis at the Max-Plank-Institut for Experimental Medicine in Göttingen and received his doctorate from Clausthal Technical University. He achieved his in-depth expertise in peptide synthesis in La Jolla, California at the renowned Scripps Research Institute. During his 10 years working as a biochemist at the German Cancer Research Center in Heidelberg, he deepened his knowledge of peptide synthesis and antibody production.