Perfluoro-n-[13C9]nonanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: M9PFNA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended EPA-1240 1,3,5-Trichlorobenzene 1000µg/mL in Hexane, 1ml Price on request 678289 2,4-Dibromophenol, 10µg/ml in MeOH, 10ml Price on request 0847.29-100-IO (24R)-24-Methylcholest-4-ene and (24R)-24-Ethylcholest-4-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 79897-60-2 / 71609-17-1 Price on request