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Gemini PharmChem Mannheim GmbH

Supplier & Engineering

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Route Development | Optimization | Scale-up Pilot | Commercial Scale Chemistry | GMP

Gemini PharmChem Mannheim GmbH, an esteemed manufacturing and R&D site in Mannheim, Germany, operates under the umbrella of Synbias Pharma AG, headquartered in Schaffhausen, Switzerland. Their primary specialization lies in developing and manufacturing highly potent Active Pharmaceutical Ingredients (APIs), primarily used in cancer therapies. Their product portfolio includes Anthracyclines, Nucleosides, and Plant Alkaloids.


As the leading global API supplier of anthracycline antibiotics, Gemini PharmChem holds a 30-50% share of the world market. Annually, approximately 300 kilograms of our APIs, in quantities ranging from 100 grams to 15 kilograms, are shipped to customers in 21 countries across 5 continents. Their Quality System is meticulously designed to meet the stringent requirements of Swissmedic, cGMP, FDA, and our customers.


Gemini PharmChem is recognized by their business partners as a competent, reliable, and efficient company, characterized by our innovative spirit and customized approach to service. Their leading position in niche markets is built on the expertise, dedication, and loyalty of their employees. Gemini PharmChem is capable of developing manufacturing processes for New Chemical Entities (NCEs) and supplying APIs for all phases of a drug’s life cycle, from initial clinical studies to commercial supply.

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