Contact Info  
Essential Isotopes, LLC is staffed by licensed nuclear pharmacists with advanced education, training and experience in the preparation, distribution, and pharmacology of radiopharmaceuticals. We are always available to answer your questions, research requested information, and immediately respond to any problems that may arise. 

Contact Information

Marc Weichelt, RPh, BCNP                              Email:

Vice President

Essential Isotopes, LLC
1513 Research Park Dr.
Columbia, MO 65211
Phone:  573-882-0245
Phone:  573-884-1380 Fax