beta-Estradiol hemihydrate, 100 µg/ml, Methanol,

L-Ascorbic Acid, 100g

3-Nitroamino-1-propanol-2,2,3,3-d4, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.

4,5,7,8,9,10,11,12-Octahydrobenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 73712-70-6