N-Nitrosopiperidine, 100µg/ml in MeOH, 5ml Back Catalog number: 684226 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0315.21-200-T Dibenz[a,j]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 224-42-0 Price on request 675246 Picolinafen, 100 µg/ml, Acetonitrile, 5ml Price on request M44P-DDD 1,1-Dichloro-2,2-bis[4-chloro(13C6)phenyl]ethane, 1.2mL x 100ug/mL, nonane Price on request