2,4-DB, 250mg Back Catalog number: 676113 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 66213 Group 2 PCB’s - Toxicity in Animal Tissue Price on request 679150 13C, 15N2-Semicarbazide hydrochloride, 10mg Price on request 71349 Propyl 4-hydroxybenzoate Price on request