Fluorescent Brightener Agent OB-2 [4,4''-Bis(5-methyl-2-benzoxazolyl)stilbene], 97%, 5g Back Catalog number: Q147 Availability: In the manufacturer's stock Price on request - + Recommended 680367 Chrysene, 100 µg/ml, Acetonitrile, 1ml Price on request 57070 Ytterbium (Yb) Price on request 679928 o-Xylene, 5ml Price on request