QualityCheck oil and grease sample

2,6-Dimethylnaphthalene

rac-(1R,2R)-1,2-dibromo-(4S)-4-((1S)-1,2-dibromoethyl)cyclohexane, 1.2ml x 50ug/ml , toluene

DL-Amphetamine hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2706-50-5