Benzo(a)pyrene Back Catalog number: 79027 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 9293.7-100-ME N-Propionyl mesalazine-d5, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 73343 trans-Aconitic acid Price on request 9745.21-100-ME 11-OH-delta-9-THC, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request