Sirius Fine Chemicals SiChem GmbH synthesizes APIs for early stage (Toxicology) drug design. A special field of expertise is the preparation of biologically and pharmacologically active compounds with increased bioavailability (prodrugs).

We are one of the leading providers for inositol phosphates as well as a large variety of membranepermeant and photoactivatable derivatives. Our portfolio has been supplemented by clickable unnatural amino acids and other useful tools for Click-Chemistry.

NEW: tools with PEG-linkers: here you will find a large selection of tools with different length PEG-linkers. These are suitable for click-chemistry-reactions or for biotin- and fluorescence- labelling.