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 680269 Dimethipin, 100mg Price on request 78005 Dalapon Price on request X9039 Chlorobenzene Price on request