Isophorone-DNPH Back Catalog number: 83552 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8840.9-K-IO 2-Propyl-3,5-dimethylpyrazine and 2-Propyl-3,6-dimethylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 11673.12-100-IO 2,3,4-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 18000-0110-100AN5 Benzalkonium chloride, 100µg/ml in AL, 5ml Price on request