N-Nitrosodimethylamine NDMA, 100 µg/ml, Methanol,

Cyproconazole, certified, 0.1g

4-(N-Methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone-d4, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 764661-24-7

beta-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml