EPA Method 515.3 - Derivatized acids Back Catalog number: 30151 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72215 Niacinamide Price on request 79640 Bifenthrin Price on request 9488.7-100-IO 4-Iodo-2-methylphenol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60577-30-2 Price on request