Perfluorooctane sulfonic acid, 100µg/ml in MeOH, 1ml Back Catalog number: PFOS-001S Availability: In the manufacturer's stock Price on request - + Recommended 681223 Formothion, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 9281.22-100-ME Tadalafil, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 171596-29-5 Price on request 682627 N,N'-Diethylcarbanilide, 500mg Price on request