Tributyltin chloride, 1000 µg/ml, Methanol, 5ml

Ethanol standard in whole blood,0.8g/L,whole blood, 1.5mL

Theophylline, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-55-9

4'-Chloroacetanilide, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 539-03-7