Patent Blue V, certified, 0.25g Back Catalog number: C15895900 Availability: In the manufacturer's stock Price on request - + Recommended EPA-537SS-R1 EPA Method 537 Surrogate Primary Dilution Standard (SUR PDS), 1.2ml, methanol Price on request ACQ-AQ03-115 Ethanol standard in water,0.3g/L,water, 1.5mL Price on request 677227 ATII (Traseolid), 10.0 µg/ml, Cyclohexane, 1ml Price on request