Phthalic acid, bis-iso-butyl ester, certified, 0.25g

Sodium p-n-dodecylbenzenesulfonate, 1000µg/mL in MeOH, 1ml

2-Methylnonane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 871-83-0

Catechin, >98%, 20mg