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Heptafluorobutyric acid (HFBA) is an organofluorine compound with the formula C3F7CO2H.
H 1279 (OTTO) Heptafluorobutyric acid, 99% Cas no 375-22-4 - used to cleave glycylserine bonds, in an experimental protocol done in order to sequence glycine-rich protein from lizard claw.