Base/Neutral & Acid Surrogate Standard Back Catalog number: 25015 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 680012 Methoprotryne, 100 µg/ml, Acetonitrile, 1ml Price on request 73687 Acequinocyl Price on request