Arsenic (As) Back Catalog number: 59565 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2593.34 Tetrabenzo[de,h,kl,rst]pentaphene, Please inquire, Solvent-, Unit , # of units-, Cas.no. 188-13-6 Price on request 10655.3-100-MX U-{13C3}-Melamine Price on request 94729 3,3’-Dimethylbenzidine Price on request