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MassBank Record: KO003287

Leupeptin; LC-ESI-QQ; MS2; CE:10 V; [M+H]+

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: KO003287
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 POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 V

MS$FOCUSED_ION: PRECURSOR_M/Z 427
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+

PK$SPLASH: splash10-004i-0000900000-4e0d0dc3706fcdb53166
PK$NUM_PEAK: 14
PK$PEAK: m/z int. rel.int.
  173.200 24752.5 1
  191.200 188119.0 7
  210.600 44554.5 2
  247.600 29703.0 1
  266.300 19802.0 1
  305.800 49505.0 2
  349.900 9901.0 1
  364.900 9901.0 1
  367.600 386139.0 15
  391.200 74257.5 3
  410.000 2826735.5 112
  410.700 29703.0 1
  427.600 25128738.0 999
  428.000 549505.5 22
//

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