Sudan 4, certified, 0.25g Back Catalog number: C16986104 Availability: In the manufacturer's stock Price on request - + Recommended 673207 Azinphos-methyl, 100 µg/ml, Acetonitrile, 5ml Price on request 0924.10-500-IO 4-Isopropyl-1-methylbenzene (p-Isopropyltoluene), 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 99-87-6 Price on request 79811 Esfenvalerate, 1000µg/ml in Acetonitrile, 1ml Price on request