Formaldehyde-DNPH Level 1 (0.1ug/mL) Back Catalog number: 98858 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2127.12-K-IO Arochlor 1248 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 12672-29-6 Price on request DF-IS-I200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request V095753 Valsartan-d9 (Major), 1mg Price on request