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 673367 Fenthion-sulfoxide, 100 µg/ml, Acetonitrile, 5ml Price on request S-13802A1-1ML Simetryn, 100µg/ml in Acetonitrile, 1ml Price on request 97817 4-n-Nonylphenol Price on request