Biphenyl, 100 µg/ml, Cyclohexane, 5ml Back Catalog number: 674050 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677877 4-n-Nonylphenol, 100 µg/ml, Acetone, 1ml Price on request 72724 Heptaldehyde, 1000µg/ml in Acetone, 1ml Price on request 9315.3-50-ME Atrazine-desethyl-desisopropyl, 50µg/mL in MeOH, 1ml Price on request