1,2-Difluorotetrachloroethane Back Catalog number: 34481 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11319.13-K-ME Melatonin,1000 µg/mL,MeOH,1mL, Price on request 11736.12-100-IO 2,2',3,3',5,6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 675441 Apramycin sulfate, 250mg Price on request