PSA-C18-Mix 4 Back Catalog number: 674493 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 676378 n-Pentyl-iso-pentylphthalate, 100 µg/ml, Isooctan Price on request 8351.15 Di-2,4-dinitrophenylhydrazonepyruvaldehyde, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request 679019 Josamycin, 10 µg/ml, Acetone, 5ml Price on request