Penicillin G Potassium Salt, 250mg Back Catalog number: 675451 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended N-MEFOSAA N-methylperfluoro-1-octanesulfonamidoacetic acid, 1.2ml x 50ug/ml, methanol Price on request 679780 Xylene, 1ml Price on request M3-B-278-CDF 3-Bromo-2,7,8-trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request