Perfluoro-n-nonanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFNA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 36141 Oxamyl Price on request 2893.18-K-IO Di-n-pentyl phthalate-3,4,5,6-d4, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 358730-89-9 Price on request 11714.12-100-IO 2,2',3,5,5'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request