PCB No. 31, certified, 25mg Back Catalog number: C20003100 Availability: In the manufacturer's stock Price on request - + Recommended 0143.18-500-IO 2-Phenyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104353-07-3 Price on request 70941 2-Propanol Price on request 72933 D-(+)-Trehalose anhydrous Price on request