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 71377 3-Methylsulfolane Price on request 1368.2-KIT Diamantane Kit (1085.14-K-IO, 1311.15-K-IO), , Solvent-, Unit Kit, # of units-, Cas.no. Price on request 52253 Group I Elements Starter Kit Price on request