GC/MS Calibration Standard Back Catalog number: 43026 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54194 Total Organic Halides (TOX) Price on request 0684.29-100-IO (24R)-24-Ethylcholest-8(14)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 108881-85-2 Price on request 3743.12-100-IO 2,3,3',4,4',5,6-Heptachlorobiphenyl , 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74472-50-7 Price on request