Esfenvalerate Back Catalog number: 3394.25-100-AN Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 19031 EPA Method 507 - Internal Standard Price on request 2377.10-K-IP 2-Naphthol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 135-19-3 Price on request 3042.8-K-ME o-Xylene-d10, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 56004-61-6 Price on request