Tramadol-13C,d3 HCl, 100µg/ml in MeOH, 1ml

1,4-Dichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

Penthiopyrad, 100 µg/ml, Cyclohexane, 1ml

n-Pentadecane, ?13C: -30.22, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-62-9