1,1-Difluoroethylene, 1000µg/ml in MeOH, 1ml Back Catalog number: 71907 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended C20630200 Benzo(g,h,i)perylene D12, 10mg Price on request 66001 PCB No. 1, 100µg/ml in Isooctane, 1ml Price on request 1891.12-1G 2,7-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2089-89-6 Price on request