PCB Congeners Back Catalog number: 94990 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2047.6-K-ME 1-Chloro-4-fluorobenzene, Internal standard for Gasoline Range Analysis, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 352-33-0 Price on request XA17875000AL Trimethoprim, 100μg/mL in Acetonitrile, 1ml Price on request 2130.7-1G Benzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 65-85-0 Price on request