O,O-Dimethylthiophosphate-13C2, sodium salt

4-Ethylphenol, 100 µg/ml, Acetonitrile, 1ml

Androstenedione, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 63-05-8

N-Nitrosodiethylamine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 55-18-5