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 677644 Demeton-O, 10.0 µg/ml, Cyclohexane, 10ml Price on request 675105 Sodium p-n-undecylbenzenesulfonate, 10.0 µg/ml, M Price on request 11857.10-K-MEX5 [Methyl[(tridecafluorohexyl)sulphonyl]amino]ethyl acrylate,1000 µg/mL ,MeOH,1mL, Price on request