Mass-Labelled PCDD Solution/Mixture, 1.2ml, nonane

EPA Method 8270C - B/N Matrix Spiking Solution

4-Dimethylaminoazobenzene

Cimetidine guanidine derivative (N-Methyl-N'-[2-[[(5-methyl-H-imidazol-4-yl)-methyl]-thiol]-ethyl]-guanidine dihydrochloride), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 59660-24-1