1,1-Difluoroethylene, 1000µg/ml in MeOH, 1ml Back Catalog number: 71907 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 19137 EPA Method 507 - Performance Check Solution Price on request 1560.8-1G n-Octane-d18, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 17252-77-6 Price on request 1113.12-10MG 5-Nitroacenaphthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 602-87-9 Price on request