Surrogate Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23SS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 9208.13-100-ME (S)-(+)-Ketamine hydrochloride, 100µg base/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33795-24-3 Price on request D193500 Darunavir, 10mg Price on request D479975 2,4-Dinitrophenylhydrazine, 98%, 25g Price on request