D-(+)-Gluconic acid delta-lactone, 500mg Back Catalog number: 680489 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678501 Siduron, 100 µg/ml, Acetonitrile, 1ml Price on request 66119 2,3',4,4',6-Pentachlorobiphenyl (119) Price on request 70912 1,4-Dinitrobenzene, 1000µg/ml in MeOH, 1ml Price on request