1,1-Difluoroethylene, 1000µg/ml in MeOH, 1ml Back Catalog number: 71907 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 31028 EPA Method 525 - Phthalate Standard Price on request 2585.30-10UG Dibenz[a,c]pentacene (in vial for quick-preparation of solution), neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 216-08-0 Price on request X9044 Chloromethane Price on request