2,2,3,3,4,4,5,5-Octafluorovaleric acid 376-72-7 4-02-00-00877 (Beilstein Handbook Reference) BRN 1797233 EINECS 206-812-3 Octafluoropentanoic acid Pentanoic acid, 2,2,3,3,4,4,5,5-octafluoro- Valeric acid, 2,2,3,3,4,4,5,5-octafluoro- omega-H-Oktafluorpentansaeure [German]