butanoyl butanoate butanoic acid 1-oxobutyl ester butyric acid butyryl ester 106-31-0 86977-44-8 HSDB 5369 UN2739 n-Butyric acid anhydride n-Butyric anhydride NCGC00091001-02 ST5214439 InChI=1/C8H14O3/c1-3-5-7(9)11-8(10)6-4-2/h3-6H2,1-2H NCGC00091001-01 19270_FLUKA B103551_ALDRICH W527211_ALDRICH 4-02-00-00802 (Beilstein Handbook Reference) Anhydrid kyseliny maselne [Czech] BRN 1099474 BUTYRIC ANHYDRIDE Butanoic acid, anhydride Butanoic anhydride Butyranhydrid [Czech] Butyric acid anhydride Butyric anhydride N Butyric anhydride [UN2739] [Corrosive] Butyryl oxide Caswell No. 132A EINECS 203-383-4 EPA Pesticide Chemical Code 077705