Sudan 4, certified, 0.25g Back Catalog number: C16986104 Availability: In the manufacturer's stock Price on request - + Recommended 3352.22-10-10AN Cypermethrin, isomer mix, 10µg/mL, Solvent-acetonitrile, Unit 10ml, # of units-1, Cas.no. incl. 52315-07-8 Price on request 2986.8-K-ME 2,2-Dimethylhexane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 590-73-8 Price on request 80303 EPA Method 8032 Internal Standard Price on request