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 96572 Prednisolone Price on request 81400 EPA Method 8140/8141 Analytes Price on request 2142.6-150K-RF tert-Amyl methyl ether + blank RFA, 15Wt%, Solvent-RFA gasoline, Unit 10mL, # of units-2+1, Cas.no. 994-05-8 Price on request