Spectinomycin sulfate hydrate, certified, 0.1g

Diphenylamine, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 122-39-4

1,6-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 575-43-9

(6)Helicene, racemic mixture of two enantiomers, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 187-83-7