Erythromycin, 100 µg/ml, Methanol, 5ml Back Catalog number: 679748 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended A12507509AL-100 trans-Permethrinic acid, 100µg/mL in Acetonitrile, 1ml Price on request 83610 Isovaleraldehyde-DNPH, 100µg/ml in Acetonitrile, 1ml Price on request 679247 2-Nitrophenol, 500mg Price on request