CHROMOGENIC SUBSTRATE S-2403™ Chromogenix S-2403™ Catalog number: S822254 Description: Chromogenic substrate for plasmin and streptokinase-activated plasminogen. Package: 25 mg Molecular wt: 561.0 Formula: pyroGlu-Phe-Lys-pNA·HCl View/Download: Insert | Flyer | Brochure