International Isotopes, Inc.
I-131 Sodium Iodide & Other Radiochemicals
International Isotopes Inc. (OTCQB: INIS) is proud to be the only FDA approved Sodium Iodide I-131 drug product manufactured in the United States…
Bulk Isotopes
International Isotopes is a provider of radioactive isotopes for medical, scientific, industrial and research applications. Custom specs are available upon request.
Scintomics-ATT GRP Radiosynthesis Platform
International Isotopes distributes, installs, and services ATT’s state-of-the-art radiosynthesis modules, precursors and production sets throughout the United States and Canada.
Nuclear Medicine Calibration Standards
We manufacture a complete line of calibration and reference standards for nuclear pharmacies and SPECT/PET imaging systems.
Cobalt Sealed Source Products
Our cobalt products are used by a broad array of companies for radiation treatment of cancer and vascular deformities of the brain. Cobalt sources are also used for container security examinations at our sea ports and borders.
Calibration Sources & Radioactive Standards
We are the North American distributor for LEA sources for control and calibration of equipment in the fields of radiation protection and metrology.
International Isotopes to Distribute TerThera’s Terbium-161 (Tb-161) in the United States
International Isotopes is excited to announce that we are now a U.S. distributor for TerThera’s Terbium-161 (Tb-161), a cutting-edge radionuclide that’s redefining the future of targeted radiotherapy.
Tb-161 is a beta-emitting isotope with Internal Conversion and Auger electrons, making it particularly effective for small tumor lesions and micrometastases. It has drawn strong interest from radiopharmaceutical developers as a potential alternative or complement to existing therapeutic isotopes like Lutetium-177.
Read the entire press release here, or go to intisoid.com/tb-161/ for more information about Tb-161.
Ytterbium-176 (Yb-176) Now Available!
We’re excited to announce that Ytterbium-176 (Yb-176) is now available through International Isotopes Inc.!
Yb-176 is a stable isotope with critical applications in the production of Lu-177, used in targeted radiotherapy treatments. This addition to our product portfolio supports the growing demand for precision nuclear medicine and reinforces our commitment to providing high-quality isotopic materials to the global scientific and medical communities.
Visit the Company News Room for more information.
INIS Announces Financial Results for First Quarter of 2025
Bulk Isotope Sales
At INIS, we supply high-quality radioisotopes for industrial, scientific, and R&D applications. We’ve launched a new, interactive webpage to help you find the isotopes you need. Learn more about isotope availability at https://intisoid.com/isotopes/
International Isotopes, Inc. Announces Financial Results for Fourth Quarter and Fiscal Year 2024
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Revenues for fourth quarter increased 24% to $3.9 million. Full year revenues increased by 13% to $13.9 million, a historical high.
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Net Income in the fourth quarter increased 325% to $245,819 and increased 101% to $8,574 for the full year.
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Full year non-GAAP EBITDA(1) increased 332%, to $615,934. Non-GAAP adjusted EBITDA(1) was $1,236,282, an improvement of 379% from the prior year.
International Isotopes, Inc. Expands Operational Footprint with Strategic Land Acquisition and Additional New Facility Lease Agreement
INIS is excited to announce a strategic expansion of its company footprint with the recent purchase of vacant land adjacent to its current Idaho Falls facility (“Building A”). The Company has also entered a lease agreement, with the right to purchase the property, for a second building, which is located directly across the street from their Idaho Falls facility (“Building B”). These two forward-looking additions address both immediate needs for current operations and developing a comprehensive growth plan for the company.
International Isotopes, Inc. Announces the Amendment of the Acquisition of the AMICI, Inc. Product Line
INIS will receive the manufacturing molds, device registrations, trademarks, and all production rights to the AMICI, Inc. line of Xenon System products as well as the registered intellectual property to Swirler® and Tru-Fit™ Mouthpiece products.
INIS Announces Exclusive Distributorship of Scintomics Moleculer/Applied Theranostics Technologies GmbH (ATT) Radiosynthesis Modules Throughout the U.S. and Canada
Under this agreement, International Isotopes will distribute, install, and service ATT’s state-of-the-art synthesis modules throughout the United States and Canada, along with providing consumables and ongoing support.
