Vardenafil hydrochloride trihydrate, certified, 0.1g

Ammonia as (NH4+)

5 alpha(H)-Androstane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 438-22-2

Benzo[a]tetracene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 226-88-0