2,5-Dimethylbenzaldehyde-DNPH, 100µg/ml in AcN, 1ml Back Catalog number: M-8315-R-DNPH-09 Availability: In the manufacturer's stock Price on request - + Recommended S-4398-400-2MEX5 PAH Mixture C 0263,20 Benzo[b]fluoranthene 0265,20 Benzo[k]fluoranthene 0239,20 Benzo[a]pyrene 0222,22 Benzo[ghi]perylene 0277,22 Indeno[1,2,3-cd]perylene Concentration: 400 µg each/mL in methanol Units: 2mL screw-cap bottles Price on request 674865 Dalapon, 250mg Price on request 8986.4-K-AN N-Nitrosopiperazine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 5632-47-3 Price on request