2,3,7,8-Tetrachlorodibenzo-p-dioxin Back Catalog number: 10625.12-50-T Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 673779 2,4-DB-methyl ester, 100 µg/ml, Ethyl acetate, 5 Price on request 21013 EPA Method 8260 Internal Standard - Revised Price on request 672893 Tribenuron-methyl, 100mg Price on request