Spectinomycin sulfate hydrate, certified, 0.1g

alpha alpha alpha (20R,24RS)-24-Ethylcholestane (82% in mixture with alpha alpha alpha (20S,24RS)-24-Ethylcholestane), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Quantitative Paraffins Standard, 6,25% w/w, 2ml

Benzene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 71-43-2