Paraxanthine, 50mg Back Catalog number: 682270 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 59872 Platinum (Pt) Price on request 1754.4-1G 1,4-Dithiane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 505-29-3 Price on request S-4142-1-IO Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1 Price on request