Phenol-Mix 5, 10.0 µg/ml, Acetone, 43497ml Back Catalog number: 681492 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8527.27-100-AN Paxilline, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 57186-25-1 Price on request 9290.16-100-MEX5 Tramadol-d6 hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. Price on request 83561 Valeraldehyde-DNPH Price on request