8015Gas Markers Back Catalog number: 92806 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2000.12-25MG 2,2',5,5'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 35693-99-3 Price on request 3388.9-100-IO beta-Endosulfan, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33213-65-9 Price on request 14055.21-100-ME (±)-11-OH-Δ9-THC-d3, 100µg/ml in MeOH, 1ml Price on request