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Nuclear

Operations & Facilities

Medical Isotope Production

McMaster Nuclear Reactor produces a wide range of radioisotopes for many applications and is currently the largest producer of medical isotope Iodine-125.

MNR is one of the world’s leading suppliers of I-125, which is used in nuclear medicine for the treatment of various cancers. Other medical isotopes are produced at the McMaster Nuclear Reactor, along with various research and technical grade isotopes.

MNR is proud to be one of the world’s leading suppliers of Iodine-125. Our I-125 is prepared from high purity Xenon-124 to meet the most rigorous quality standards. All our medical isotopes are outlined in the table below.