Paraben-Mix 1, 100 µg/ml, Methanol, 5ml Back Catalog number: 681454 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0458.17-200-IO 2,6,9-Trimethylphenanthrene, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66271-32-7 Price on request 50806 ICPMS Internal Standard Price on request 2028.14-100-DC 4,4'-DDT, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 50-29-3 Price on request