Tadalafil, certified, 0.1g Back Catalog number: C17133000 Availability: In the manufacturer's stock Price on request - + Recommended 0451.3-150-CYX10 GC-IRMS Standards (C11(?13C: -26.11); C15 (?13C: -30.22); C20 (?13C: -33.06)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. Price on request 58847 Silver (Ag) Price on request 8547.11-50-ME 2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 34598-33-9 Price on request