D8-4,4'-DDD, 100 µg/ml, Acetone, 1ml Back Catalog number: 684690 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 94123 EPA Method 8310 Surrogate Standard Price on request 9966.6-100MG 2-Bromoaniline, neat, Solvent-neat, Unit 100MG, # of units-1, Cas.no. 615-36-1 Price on request I917572-50MG Isovaleric Acid-d9, 50mg Price on request