D5-Ochratoxin A, 10.0 µg/ml, Acetonitrile, 1ml

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

EPA Method 507 - Performance Check Solution

Fluorene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 86-73-7