Luciferin D-, Firefly, Potassium Salt (4,5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid Potassium, D-Luciferin)

Store lyophilized powder at -20 °C, dessicated and protected from light. Reconstitute with ddH2O and bring solution to a pH of 6.0-6.3. Reconstituted product can be stored protected from light at degree 4C for up to 2 weeks. or at -20 °C for several months. For maximum recovery of product, centrifuge the original vial prior to removing the cap.