Spectinomycin sulfate hydrate, certified, 0.1g

Herbicide Acid Standard

Nootkatone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-, Cas.no. 4674-50-4

Mono-ethyl phthalate (ring-1,2-13C2,99%, dicarboxyl-13C2,99%) 100 µg/mL in MTBE