Selcia has extensive expertise in radiolabelling small molecule drugs for drug metabolism, pre-clinical and pharmacokinetic studies. Our chemists have many years of experience working in big pharma and we provide overflow capacity to internal isotope groups and synthesise radiolabelled API using GMP concepts for mass balance and microdosing studies. Our analytical group has expertise in using high field NMR to identify impurities and to ensure the material is suitable for the intended study. We also have experience radiolabelling pharmaceuticals for environmental fate studies.