4,4'-DDD, 100 µg/ml, Toluene, 5ml Back Catalog number: 675989 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673494 Buprofezin, 10 µg/ml, Ethyl acetate, 10ml Price on request S-4241-2K-IP EPA 8040 Surrogate Standard S-4241 2mg/mL each in isopropanol, 1 mL, 5 x 1mL, 5mL 2-Fluorophenol 2,4,6-Tribromophenol Price on request 685547 D5-1,3-Dichloropropan-2-ol, 25mg Price on request