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 92358 EPA Method 508 Standard Price on request 680891 D3-3-(Methylphosphinico)propionic acid, 100 µg/ml, Price on request 0605.27-100-IO Cholest-8(14)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54725-42-7 Price on request