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 95258 PCB Mix 10 ppb Price on request 8423.10-100MG Pyrazon, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1698-60-8 Price on request XA15171150AL Metolachlor-2-ethoxy 100ng/µL in Acetonitrile. 1ml Price on request