Pesticide Standard Back Catalog number: 93650 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672998 17a-Ethinylestradiol, 250mg Price on request 95270 525 Surrogate Standard Price on request 2845.9-50-ME 1H,1H-Perfluorononan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 423-56-3 Price on request