Prosulfuron, 100 µg/ml, Acetonitrile, 5ml

alpha alpha alpha (20R 24R)-24-Methylcholestane and alpha alpha alpha (24R 24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50897-35-3/62446-14-4

3-tert-Butylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 585-34-2

d2 C27/C28 Triaromatic Sterane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. -/205529-81-3