CHIMERx is a division of Molecular Biology Resources, Inc. (MBR). MBR is a privately-held biotechnology company, established in 1985. MBR currently manufactures and distributes over 200 reagents used in basic life science research.

MBR maintains its high product quality by controlling an integrated manufacturing process from cellular raw materials through to the finished products. This coupled with rigorous quality control standards ensures that MBR's products meet or exceed the published criteria.