2,4'-DDT, 100 µg/ml, Methanol, 1ml Back Catalog number: 679460 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677923 Pyrethrins, 10 µg/ml, Ethyl acetate, 10ml Price on request S-4042-015-10CY Mass Discrimination Test Mixture for ASTM D 5739 150 µg/mL in pesticide grade cyclohexane, 10mL Naphthalene 99 % Fluoranthene 99 % Benzo[ghi]perylene 99 % Price on request 676221 alpha,alpha,alpha-Trifluorotoluene, 250mg Price on request