Anidulafungin; LY303366; N-[(3S,6S,9S,11R,15S,18S,20R,21R,24S,25S,26S)-6-[(1S,2R)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl]-11,20,21,25-tetrahydroxy-3,15-bis[(1R)-1-hydroxyethyl]-26-methyl-2,5,8,14,17,23-hexaoxo-1,4,7,13,16,22-hexaazatricyclo [22.3.0.09,13] heptacosan-18-yl]-4-{4-[4-(pentyloxy)phenyl]phenyl}benzamide; CAS No.: 166663-25-8; N-[(3S,6S,9S,11R,15S,18S,20R,21R,24S,25S,26S)-6-[(1S,2R)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl]-11,20,21,25-tetrahydroxy-3,15-bis[(1R)-1-hydroxyethyl]-26-methyl-2,5,8,14,17,23-hexaoxo-1,4,7,13,16,22-hexaazatricyclo [22.3.0.09,13] heptacosan-18-yl]-4-{4-[4-(pentyloxy)phenyl]phenyl}benzamide is a hygroscopic powder. Store under nitrogen at -20 C. This compound decomposes in moisture; CAS No.: 166663-25-8 requires inert handling.