D6-Chlorotoluron, 100 µg/ml, Acetone, 1ml

GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no.

Etirazetam-d6, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

beta-D-Lactose