Crotonaldehyde-DNPH Back Catalog number: 83544 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BHCH b-1,2,3,4,5,6-Hexachlorocyclohexane, 1.2mL x 100ug/mL, nonane Price on request 2868.12-50-IO 3'-Fluoro-2,3,4',5,6-pentachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 677919 Profluralin, 100 µg/ml, Ethyl acetate, 1ml Price on request