| Synonyms: | Caspofungin IMpurity A;Caspofungin Impurity 1;Caspofungin Impurity 1(Impurity A);N-((2R,6S,9S,11R,12S,14aS,15S,20S,23S,25aS);Caspofungin impurity 1/Caspofungin Impurity A/(3S)-(4R,5S)-5-[(2-aminoethyl)amino]-N2-[(10R,12S)-10,12-dimethyl-1-oxotetradecyl]-4-hydroxy-L-ornithyl-L-seryl-(4R)-4-hydroxy-L-prolyl-(4S)-4-hydroxy-4-(4-hydroxyphenyl)-L-threonyl-(3R)-3-hydroxy-L-ornithyl-3;L-Proline, (4R,5S)-5-[(2-aminoethyl)amino]-N2-[(10R,12S)-10,12-dimethyl-1-oxotetradecyl]-4-hydroxy-L-ornithyl-L-seryl-(4R)-4-hydroxy-L-prolyl-(4S)-4-hydroxy-4-(4-hydroxyphenyl)-L-threonyl-(3R)-3-hydroxy-L-ornithyl-3-hydroxy-, (6→15)-lactam, (3S)-;(3S)-(4R,5S)-5-[(2-Aminoethyl)amino]-N2-[(10R,12S)-10,12-dimethyl-1-oxotetradecyl]-4-hydroxy-L-ornithyl-L-seryl-(4R)-4-hydroxy-L-prolyl-(4S)-4-hydroxy-4-(4-hydroxyphenyl)-L-threonyl-(3R)-3-hydroxy-L-ornithyl-3-hydroxy-L-proline;Caspofungin A |