Penicillin G Sodium Salt

17a-Estradiol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-91-0

Formaldehyd-DNPH, 100 µg/ml, Acetonitrile, 5ml

5,6-Chrysenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2051-10-7