Description General description Excellent substrate for alkaline phosphatase-based ELISA assays. Produces a yellow soluble end product that can be read at 405 nm to 410 nm. Both kinetic and end point determinations can be performed. Excellent substrate for alkaline phosphatase-based ELISA assays. Produces yellow soluble end product that can be read at 405 nm to 410 nm. Packaging 5 g in Plastic ampoule Biochem/physiol Actions Cell permeable: no Primary Target Substrate for alkaline phosphatase-based ELISA assays Product does not compete with ATP. Reversible: no Warning Toxicity: Standard Handling (A) Reconstitution Unstable in solution; reconstitute just prior to use.