Sodium p-n-tridecylbenzenesulfonate, 100µg/mL in MeOH, 1ml

alpha alpha alpha (20R,23R,24R)-4 alpha,23,24-Trimethylcholestane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 146276-37-1

D6-alpha-HCH, 100 µg/ml, Cyclohexane, 1ml

Ethanol standard in water,0.1g/L,water, 1.5mL