Picric acid, 100 µg/ml, Acetonitrile, 10ml Back Catalog number: 679577 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2373.8-K-IO 4-Methylguaiacol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93-51-6 Price on request 59837 TOC Calibration Standard (C) Price on request 676709 (-)-Cotinine, 25mg Price on request