D-Luciferin Potassium Salt (4,5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid, potassium salt), 250mg, is a bioluminescence reagent widely used in luciferase-based assays. It is commonly employed to detect gene expression, monitor cellular activity, and measure ATP levels using bioluminescence detection methods. The potassium salt form is water-soluble and provides excellent luminescence results, making it ideal for use in high-throughput screening and various biochemical assays. This 250mg size is suitable for laboratories that perform routine bioluminescence assays, offering a cost-effective solution for researchers investigating cellular processes or conducting gene function studies.