Alprazolam-d5, , Solvent-, Unit , # of units-, Cas.no. 125229-61-0

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-5, Cas.no.

Metribuzin-desamino, 5mg

Tebutam, 10.0 µg/ml, Ethyl acetate, 10ml