QC Standard 4 Back Catalog number: 52087 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9513.12-100-IO 4-Chloro-2'-fluorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72093-45-9 Price on request 679793 Clopidol, 100 µg/ml, Methanol, 1ml Price on request C15629000 Nonylphenol (technical), certified, 0.25g Price on request