ACCESSION: MSBNK-Keio_Univ-KO001275
RECORD_TITLE: Leupeptin; LC-ESI-QQ; MS2; CE:10 V; [M-H]-
DATE: 2016.01.19 (Created 2007.07.07, modified 2012.10.22)
AUTHORS: Kakazu Y, Horai H, Institute for Advanced Biosciences, Keio Univ.
LICENSE: CC BY-NC-SA
COMMENT: KEIO_ID L006

CH$NAME: Leupeptin
CH$COMPOUND_CLASS: N/A
CH$FORMULA: C₂₀H₃₈N₆O₄
CH$EXACT_MASS: 426.29545
CH$SMILES: NC(=N)NCCC[C@@H](C=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)C)NC(C)=O
CH$IUPAC: InChI=1S/C20H38N6O4/c1-12(2)9-16(24-14(5)28)19(30)26-17(10-13(3)4)18(29)25-15(11-27)7-6-8-23-20(21)22/h11-13,15-17H,6-10H2,1-5H3,(H,24,28)(H,25,29)(H,26,30)(H4,21,22,23)
CH$LINK: CAS 24365-47-7
CH$LINK: KEGG C01591
CH$LINK: NIKKAJI J93.946C
CH$LINK: PUBCHEM SID:4746
CH$LINK: INCHIKEY GDBQQVLCIARPGH-UHFFFAOYSA-N

AC$INSTRUMENT: API3000, Applied Biosystems
AC$INSTRUMENT_TYPE: LC-ESI-QQ
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 V

MS$FOCUSED_ION: PRECURSOR_M/Z 425
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-004i-0000900000-06bbb026c415fec02348
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  168.700 14851.5 6
  205.300 19802.0 8
  365.300 19802.0 8
  425.500 2455448.0 999
//