Propionaldehyde-DNPH Back Catalog number: 83557 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3229.20-K-IO 11-cis,14-cis,17-cis-Eicosatrienoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17046-59-2 Price on request 96884 EPA Method 539Mix #1, 100µg/ml in MeOH, 1ml Price on request 3384.12-100-CY Diquat dibromide monohydrate Price on request