Cyanocobalamin Back Catalog number: 72134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D-N-MEFOSA-M N-methyl-d3-perfluoro-1-octanesulfonamide, 50µg/ml in MeOH, 1,2ml Price on request 57240 Zirconium (Zr) Price on request 50590 Copper (Cu) - 1 PPM Price on request