Perfluorooctanesulfonic acid, 100µg/mL in MeOH,1ml Back Catalog number: S-14002M1-1ML Availability: In the manufacturer's stock Price on request - + Recommended 8383.6-1ML n-Butyl acetate, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 123-86-4 Price on request 676980 D5-Norfloxacin, 100 µg/ml, Acetonitrile, 1ml Price on request 2787.15-100-IO 3,3'-Dimethyl-4,4'-diaminodiphenylmethane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 838-88-0 Price on request