Perfluoro-n-nonanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFNA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 90872 Isofenphos Price on request 50288 STD - CRQL Price on request 3793.17-K-IO Celestolide, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13171-00-1 Price on request