gamma-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680444 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended XE-2367-S 2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene Price on request 676816 Tetracontane, 100 µg/ml, Hexane, 10ml Price on request 0155.14-100-IO 3,6-Dimethyldibenzothiophene/2,6-Dimethyldibenzothiophene (6:1), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31613-04-4 Price on request