ACCESSION: MSBNK-NaToxAq-NA002638
RECORD_TITLE: Huperzin A; LC-ESI-ITFT; MS2; CE: 35%; R=15000; [M+H]+
DATE: 2020.02.21
AUTHORS: Tobias Schulze, Martin Krauss, Helmholtz Centre for Environmental Research GmbH - UFZ, Leipzig, Germany
LICENSE: CC0
COPYRIGHT: Copyright (C) 2020 by Helmholtz Centre for Environmental Research GmbH - UFZ, Leipzig, Germany
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: INTERNAL_ID 2242

CH$NAME: Huperzin A
CH$NAME: (-)-Huperazine A
CH$NAME: (1R,9R,13E)-1-amino-13-ethylidene-11-methyl-6-azatricyclo[7.3.1.02,7]trideca-2(7),3,10-trien-5-one
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₅H₁₈N₂O
CH$EXACT_MASS: 242.1419
CH$SMILES: C/C=C/1\[C@@H]2CC3=C([C@]1(CC(=C2)C)N)C=CC(=O)N3
CH$IUPAC: InChI=1S/C15H18N2O/c1-3-11-10-6-9(2)8-15(11,16)12-4-5-14(18)17-13(12)7-10/h3-6,10H,7-8,16H2,1-2H3,(H,17,18)/b11-3+/t10-,15+/m0/s1
CH$LINK: CAS 1369-64-8
CH$LINK: CHEBI 78330
CH$LINK: PUBCHEM CID:854026
CH$LINK: INCHIKEY ZRJBHWIHUMBLCN-YQEJDHNASA-N
CH$LINK: CHEMSPIDER 16736021
CH$LINK: COMPTOX DTXSID8046038

AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 35% (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$CHROMATOGRAPHY: COLUMN_NAME Kinetex Evo C18 2.6 um 50x2.1 mm, Phenomenex
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 95/5 at 1 min, 0/100 at 13 min, 0/100 at 24 min, 95/5 at 24.3 min, 95/5/0 at 32 min
AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 1.536 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 143.0015
MS$FOCUSED_ION: PRECURSOR_M/Z 243.1492
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included
MS$DATA_PROCESSING: WHOLE RMassBank 2.14.1

PK$SPLASH: splash10-0006-0090000000-94b5d8c9a45fca814d64
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  226.1226 C15H16NO+ 1 226.1226 -0.34
  243.1492 C15H19N2O+ 1 243.1492 0.17
PK$NUM_PEAK: 2
PK$PEAK: m/z int. rel.int.
  226.1226 16972.1 94
  243.1492 178605.8 999
//