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 59034 Inorganic Mix #2 Conc. #1 Price on request 70283 Toxaphene Price on request 678226 4-n-Octylphenol, 250mg Price on request