Norbuprenorphine Back Catalog number: 96507 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1507.22-50-T 7,10-Dimethylbenzo[a]pyrene, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63104-33-6 Price on request 71262 Hexamethylphosphoramide Price on request 684226 N-Nitrosopiperidine, 100µg/ml in MeOH, 5ml Price on request