Aromatics Quantitative Calibration Mix #4 Back Catalog number: 51132 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2262.30-50-IO 17 alpha(H),21ß(H)-30-Nor-29-methylhopane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 8345.28-10MG Ergosterol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 57-87-4 Price on request 70786 Permethrin (mix isomers), 1000μg/ml in MeOH, 1ml Price on request