2-FURALDEHYDE, TETRAHYDRO- 2-Furancarboxaldehyde, tetrahydro- (9CI) 5-17-09-00027 (Beilstein Handbook Reference) 7681-84-7 AI3-25433 BRN 0106552 NSC 97502 Tetrahydro-2-furancarboxaldehyde Tetrahydrofurfural USAF Q-4