Valeraldehyde-DNPH Back Catalog number: 83561 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8830.6-K-IO Natural dimethylpyrazines (2,5 -and 2,6)-, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 1787.16-10MG 4-Aminopyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17075-03-5 Price on request 54328 Bicarbonate Anion (HCO3-) Price on request