4,4'-DDT (ring-13C12,99%) 100 µg/mL in Nonane, 1,2ml Back Catalog number: CLM-1281-1.2 Availability: In the manufacturer's stock Price on request - + Recommended 677544 4,4'-Dichlorobenzophenone, 100 µg/ml, Acetone, 1 Price on request KBIO-BG100-10ML ß-glucuronidase from ocean-fresh Red Abalone, >100,000 u/ml, 10ml Price on request 24023 EPA Method 8260 Internal & Surrogate Standard Price on request