beta-Cypermethrin Back Catalog number: 3351.22-100-CY Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 9193.19-K-ME Nortriptyline-d3 hydrochloride (N-methyl-d3) Price on request 72059 Acenaphthylene-d8 Price on request 40049 EPA Method 633.1 Analytes Price on request