17 alpha(H),21ß(H)-(22R)-Homohopane, 50µg/mL in isooctane, 1ml Back Catalog number: 1339.31-50-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 2720.12-100-IO 2,3,3',5,5'-Pentachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 39635-32-0 Price on request 59837 TOC Calibration Standard (C) Price on request EPA-1613ISS Internal Standard Spiking Solution, 200ng/ml n Nonane/0.8% toluene, 1,2ml Price on request