Propionaldehyde-DNPH Back Catalog number: 83557 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2490.12-K-IO Tetra-n-propyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2176-98-9 Price on request 3251.18-K-IO Octadecadienoic acid (9,11 + 10,12 c+tr) (Conjugated), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 50378 Potassium (K) Price on request