beta-HCH, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678423 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4035-10K-10IO Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules Price on request 94013 OP Pesticide Standard Price on request 2721.16-K-IO 4,4'-Dimethylbibenzyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 538-39-6 Price on request