Patent Blue V, certified, 0.25g Back Catalog number: C15895900 Availability: In the manufacturer's stock Price on request - + Recommended 679283 Metoprolol acid, 25mg Price on request 72254 Sorbic acid Price on request 11701.12-100-IO 2,3',4',5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request