Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 76-13-1, Whether you call it 1,1,2-Trichloro-1,2,2-trifluoroethane, CFC-113 , Freon 113 or Frigen 113 TR you can be assured the 1,1,2-Trichloro-1,2,2-trifluoroethane products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.