Methylmercury-chloride, 10µg/ml in AL, 10ml

Mass-Labelled DDT & Related Compound Mix, 2µg/ml in Nonane, 1,2ml

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

Melamine (13C3,99%; Amino-15N3,98%) 100 µg/mL in Water, 1,2ml