Coumaphos, 100µg/mL in Acetonitrile, 1ml

Caffeine, 100 µg/ml, Methanol, 1ml

28-Norlupane (17ß(H)/17 alpha(H)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 134501-93-2 / 134623-57-7

ASTM D-3710 Column Test Mix