Surrogate Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23SSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1632.9-25MG Cimetidine guanidine derivative (N-Methyl-N'-[2-[[(5-methyl-H-imidazol-4-yl)-methyl]-thiol]-ethyl]-guanidine dihydrochloride), neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 59660-24-1 Price on request 11426.11-10MG Brivaracetam, 10mg Price on request 92798 Aroclor 1248 Price on request