D4-4-n-Nonylphenol, 100 µg/ml, Acetone, 1ml

3-Phenoxybenzoic acid, certified, 0.1g

17ß-Estradiol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-28-2

(+/-)Atenolol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 29122-68-7