Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 682065 N,N-Diethylanilin, 100 µg/ml, Methanol, 5ml Price on request 2550.10-100-ME N,O-Diacetyl-4-aminophenol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2633-33-8 Price on request 9418.17-5MG Venlafaxine-d6 hydrochloride (N,N-dimethyl-d6), neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 1062606-12-5 Price on request