PCB No. 8 certified, 25mg Back Catalog number: C20000800 Availability: In the manufacturer's stock Price on request - + Recommended 1667.11-100-IO 1,2-Dichloroundecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 81246-86-8 Price on request 3314.10-100 Azinphos-methyl-oxon, 100µg/mL, Solvent-c.hexane, Unit 1mL, # of units-1, Cas.no. 961-22-8 Price on request 0925.14-500-IO 2,3-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31317-17-6 Price on request