Erbium (Er) Back Catalog number: 57068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676709 (-)-Cotinine, 25mg Price on request PCN-MXC Native PCN Solution/Mixture, 1.2ml, nonane Price on request MDF-1278-1 1,2,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane Price on request