Acetaminophen, 100 µg/ml, Acetonitrile, 1ml

Propoxur, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 114-26-1

Phthalic acid, bis-butyl ester, certified, 0.5g

Acetaminophene-d4 (Paracetamol-d4), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 64315-36-2