Propionaldehyde-DNPH Back Catalog number: 83557 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2726.16-K-IO 4-Isopropylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83846-86-0 Price on request 30231 1,4-Dichlorobenzene Price on request 3752.10-50-IO 1,2,3,4-Tetrachloro-1,2,3,4-tetrahydronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. Price on request