delta-HCH (BHC) Back Catalog number: 3321.6-100-CY Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 71979 1,1,2-Trimethylcyclohexane Price on request CLM-1281-1.2 4,4'-DDT (ring-13C12,99%) 100 µg/mL in Nonane, 1,2ml Price on request 30151 EPA Method 515.3 - Derivatized acids Price on request