PCB No. 18, certified, 25mg Back Catalog number: C20001800 Availability: In the manufacturer's stock Price on request - + Recommended 675031 D8-Naphthalene, 100mg Price on request 3H138 2,2',3',4,4',5-Hexachloro-3-biphenylol, 1.2ml x 50ug/ml, nonane Price on request 0934.5-100MG 2-Methylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 554-14-3 Price on request