4-n-Nonylphenol, 100 µg/ml, Acetone, 1ml Back Catalog number: 677877 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 682818 Propylene glycol, 1000mg Price on request 8234.13-K-AN Benzaldehyde 2,4-dinitrophenylhydrazone, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 10313 EPA Method 617/8080/8250/8270 - Analytes Price on request