Electric Literature of 121-66-4, Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 121-66-4, Name is 5-Nitrothiazol-2-amine, molecular formula is C3H3N3O2S. In a Article，once mentioned of 121-66-4
Radiopharmaceuticals for nuclear imaging are essentially targeting molecules, labeled with short-lived radionuclides (e.g., F-18 for PET). A significant drawback of radiopharmaceuticals development is the difficulty to access radiolabeled molecule libraries for initial in vitro evaluation, as radiolabeling has to be optimized for each individual molecule. The present paper discloses a method for preparing libraries of 18F-labeled radiopharmaceuticals using both the fluorous-based 18F-radiochemistry and the Huisgen 1,3-dipolar (click) conjugation reaction. As a proof of concept, this approach allowed us to obtain a series of readily accessible 18F-radiolabeled nitroaromatic molecules, for exploring their structure-activity relationship and further in vitro evaluation of their hypoxic selectivity.
The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 121-66-4 is helpful to your research., Electric Literature of 121-66-4
Reference：
Thiazole | C3H9445NS – PubChem,
Thiazole | chemical compound | Britannica