Perfluoro-n-pentanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFPEA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2495.7-K-ME Mono-n-heptyltin trichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59344-47-7 Price on request 2540.7-10MG Paraxanthine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 611-59-6 Price on request 79291 4,4’-DDE Price on request