Copper and Manganese Back Catalog number: 50161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53111 Disc. Use P#52130 (100mL) Price on request 9191.8-100-ME Caffeine-d3 (1-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 26351-03-1 Price on request 71668 2,3,4,6-Tetrachloroanisole Price on request