Isophorone-DNPH Back Catalog number: 83552 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71490 Fluorene-d10, 1000µg/ml in methylene chloride, 1ml Price on request 0021.16-200-T 1-Hydroxypyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5315-79-7 Price on request 73129 Benzyl isobutyl paraben Price on request