Since 1975 MB has been engaged in the manufacture of radiochemicals to support the needs of the scientific research community, providing compounds in demand and unavailable from other sources. We also offer many non-exclusive labeled compounds at exceptionally high radiochemical purity, and at prices substantially less than other competitors' list prices. Whether you are interested in a catalog item or a complex custom synthesis our staff's goal is prompt and courteous service. We look forward to being of assistance to you in your research this year, and as always your suggestions for additions to our product line or ways to improve service are welcome.