alpha-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680442 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8345.28-100-IO Ergosterol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 57-87-4 Price on request 8203.16-100-T 2-Hydroxypyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 78751-58-3 Price on request 66060 2,3,4,4'-Tetrachlorobiphenyl (60) Price on request