Iodine I-124

Iodine-124 is a positron-emitting radioactive isotope used mainly in PET/CT imaging to detect and localize thyroid cancer, metastases, and for patient-specific dosimetry. With a 4.2-day half-life, it offers superior sensitivity over standard scans, enabling precise, long-term monitoring of tumor metabolism and aiding in treatment planning. It is grouped under the following drug class(es): Radiopharmaceuticals. The directory classifies it as a commercial API with a mineral/inorganic source/manufacturing origin. Other names for this substance include 124I radioisotope and (~124~I)Hydrogen iodide. Its PubChem CID is 178172.