2,3,6-Trichlorophenol-PFB derivative

Metformin hydrochloride, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 1115-70-4

Periflanthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 188-94-3

EPA Method 8260 - Purgeable Internal Standard