Surrogate Standard

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

2,2',3,3',4,4',5,5'-Octabromo[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Chlorthal-dimethyl, 250mg