Pentyl butanoate butanoic acid pentyl ester butyric acid amyl ester 540-18-1 AI3-06124 Amyl butanoate Amyl butyrate (natural) BRN 1752307 EINECS 208-739-2 FEMA No. 2059 NSC 7935 n-Pentyl butyrate W205915_ALDRICH 1-Pentyl butyrate Amyl butyrate Butanoic acid, pentyl ester Butyric acid, pentyl ester NSC7935 Pentyl butyrate WLN: 5OV3 n-Amyl butyrate n-Pentyl butanoate n-Pentyl n-butyrate InChI=1/C9H18O2/c1-3-5-6-8-11-9(10)7-4-2/h3-8H2,1-2H