d4 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 1ml

CLP Semi-Volatiles Base/Neutrals Mix #2

6-Methylthiochroman-4-one, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6948-34-1

EPA Method 8240A Mix #2