Diafenthiuron, 100 µg/ml, Acetonitrile, 1ml

Valeraldehyde-DNPH

(±)-Norketamine hydrochloride,1000 µg base/mL,MeOH,1mL

GC-IRMS Standards (C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no.