ICP-MS Tuning Solution #1 EPA 200.8

Benzyl-d5 cinnamate (E-isomer), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 347840-02-2

Isopropyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4191-73-5

Cortexolone, 100mg