1,2,3,4-Tetrahydronaphthalene, certified, 50mg Back Catalog number: C20940000 Availability: In the manufacturer's stock Price on request - + Recommended 19117 EPA Method 625 Base/Neutrals Mix #4 Price on request 4METCS 4,5-Dichloro-2-(2,4-dichlorophenoxy)anisole (4-Chloro-methoxytriclosan), 1.2ml x 50ug/ml, nonane Price on request 3105.12-50-IO 3,3',5,5'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16400-50-3 Price on request