Spectinomycin sulfate hydrate, certified, 0.1g Back Catalog number: C16972720 Availability: In the manufacturer's stock Price on request - + Recommended 1579.4-10MG Metformin hydrochloride Price on request 8819.12-100-IO 3,3',4,5-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 70362-49-1 Price on request EPA-1240 1,3,5-Trichlorobenzene 1000µg/mL in Hexane, 1ml Price on request