Fluorescent Brightener Agent OB-2 [4,4''-Bis(5-methyl-2-benzoxazolyl)stilbene], 97%, 5g

n-Triacontane, ?13C: -28.60, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 638-68-6

alpha alpha alpha (20R)-Cholestane, 1000µg/mL in Isooctane, 1ml

Methacrylonitrile