Octyltin trichloride, 100mg

Vanillin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121-33-5

Butylated hydroxytoluene, 1000µg/ml in MeOH, 1mL

Silica (SiO2), 1000µg/ml in Water/0.5% NaOH, 100ml