2-Butanone-2,4-DNPH, 100mg Back Catalog number: 684615 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 52037 Calibration Standard Mix 5 Price on request 9208.13-100-ME (S)-(+)-Ketamine hydrochloride, 100µg base/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33795-24-3 Price on request 79051 2,4’-DDD, 1000µg/ml in Hexane, 1ml Price on request