Trichloroacetic acid sodium salt, certified, 0.25g Back Catalog number: C17684500 Availability: In the manufacturer's stock Price on request - + Recommended CA16057900 1,3-Phenylenediamine, certified, 0.1g Price on request 9267.22-25-AN U{13C22}-Roquefortine C, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request 79275 2-Methylthiophene Price on request