Paraxanthine, 50mg Back Catalog number: 682270 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2778.10-100 Heptachlor-exo-epoxide (cis-), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 28044-83-9 Price on request 1984.3-KIT-S Butyltin chlorides Kit (solutions, 1983.4, 1982.8, 1981.12), , Solvent-, Unit Kit, # of units-, Cas.no. Price on request H943555 rac 3-Hydroxyisobutyric Acid, 1mg Price on request