13C3-Caffeine, 100 µg/ml, Methanol, 1ml

2,2',3,4,4',5,6'-Heptachloro-3'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

n-Triacontane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 638-68-6

Fenpropidin-d10, 1mg