d-Norpropoxyphene maleate,100 µg/mL,base aceton,1mL

GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no.

Folpet, 100 µg/ml, Cyclohexane, 1ml

Benz(a)anthracene-d12, 2.0mg/mL in CH2Cl2. 1mL