GFAA Mix Back Catalog number: 50408 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0407.28-150-CYX5 n-Octacosane, ?13C: -29.85, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 630-02-4 Price on request 58074 Tungsten (W) Price on request 91970 EPA Method 508.1 & 525.2 Pesticide Standard Price on request