4-Hydroxy-4-methyl-2-pentanone, certified, 5ml

Seneciphylline, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 480-81-9

Ammonia as (NH4+)

Benzo[ghi]perylene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-24-2