Pesticide/PCB Surrogate, Mix, 200µg/ml in Acetone, 10 x 1ml Back Catalog number: GS09000055AC Availability: In the manufacturer's stock Price on request - + Recommended 2874.11-50-ME Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2050-94-8 Price on request 71982 1,cis-2,trans-4-Trimethylcyclohexane Price on request FRS-068S 1,2,5,6-Tetrabromocyclooctane, 100 µg/mL in TO,1ml Price on request