Methylparaben, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 681247 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 92524 Volatile Mix #1 Price on request 9395.32-100-IO 4-tert-Octylphenol 9EO, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 70029 Benzo(a)anthracene-d12, 1000µg/ml in Methylene Chloride, 1ml Price on request