Potassium (K) Back Catalog number: 56019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1697.17-K-IO 9-n-Propylphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17024-03-2 Price on request 11668.12-100-IO 3,4-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL Price on request 679633 Ramifenazone, 10mg Price on request