PCB 138, 10.0 µg/ml, Isooctane, 10ml Back Catalog number: 682123 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2941.9-100-IO Endosulfan-I-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203645-57-2 Price on request 95380 AIR Cal Mix Price on request 3156.9-K-IO Methyl octanoate (Methyl caprylate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 111-11-5 Price on request