Internal & Surrogate Standard 8260B

d4 Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 205529-77-7

2,4,5-Trichloroacetophenone, 10mg

1,2-Bis(2,4,6-tribromophenoxy)ethane, 1.2ml x 50ug/ml, nonane