2,4-D 2-ethylhexyl ester, certified, 100mg

2,4-Dimethylphenol, 100 µg/ml, Acetonitrile, 1ml

4-Methylethcathinone hydrochloride, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 1225617-18-4 (free base)

U{13C7}-Patulin, 25µg/mL, Solvent-acetonitrile, Unit 1,2mL, # of units-1, Cas.no.