PSA-C18-Mix 1 Back Catalog number: 674714 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3844.6-K-IP Hydroquinone, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 123-31-9 Price on request 9491.12-K-IO Tri-n-butylphosphate-d27 Price on request 71384 4,4’-Thiodianiline Price on request