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 673438 Sethoxydim, 10.0 µg/ml, Acetonitrile, 10ml Price on request 680394 Bis(tri-n-butyltin)oxide, 250mg Price on request 63129 2,2’,3,3’,4,5-Hexachlorobiphenyl (129) Price on request