Perfluorododecanesulfonic acid, 50µg/ml in MeOH, 1ml

n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17851-53-5

Urea

Fluorescein disodium salt dihydrate, 90%,neat,neat,100mg,