Multi-Elements Mix Back Catalog number: 50023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92949 EPA Method 508 Pesticide Standard Price on request 2088.13-K-IP 2-Fluorophenol-PFB, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. Price on request 680093 2,5-Dimethylaniline, 250mg Price on request