1,1,2,2-Tetrachloroethane Back Catalog number: 31401 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79628 Theophylline Price on request 92575 EPA Method 8240B - Purgeable Internal Standard Price on request 10359.21-100-ME Haloperidol-d4 (4-chlorophenyl-d4) Price on request