Custom Standard

d4 Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-77-7

CONOSTAN Standard S-21, 500 ppm, 100g

4-Bromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane