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MassBank Record: MSBNK-Washington_State_Univ-BML80047

(+)-Usnic acid; LC-APCI-QTOF; MS; POSITIVE

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

ACCESSION: MSBNK-Washington_State_Univ-BML80047
RECORD_TITLE: (+)-Usnic acid; LC-APCI-QTOF; MS; POSITIVE
DATE: 2016.01.19 (Created 2012.10.26)
AUTHORS: Cuthbertson DJ, Johnson SR, Lange BM, Institute of Biological Chemistry, Washington State University
LICENSE: CC BY-SA
COMMENT: relative retention time with respect to 9-anthracene Carboxylic Acid is 1.459

CH$NAME: (+)-Usnic acid
CH$COMPOUND_CLASS: N/A
CH$FORMULA: C18H16O7
CH$EXACT_MASS: 344.089603
CH$SMILES: CC1=C(C(=C2C(=C1O)C3(C(=CC(=C(C3=O)C(=O)C)O)O2)C)C(=O)C)O
CH$IUPAC: InChI=1S/C18H16O7/c1-6-14(22)12(8(3)20)16-13(15(6)23)18(4)10(25-16)5-9(21)11(7(2)19)17(18)24/h5,21-23H,1-4H3
CH$LINK: CAS 7562-61-0
CH$LINK: CHEMSPIDER 22633
CH$LINK: PUBCHEM CID:24211
CH$LINK: INCHIKEY WEYVVCKOOFYHRW-UHFFFAOYSA-N

AC$INSTRUMENT: Agilent 1200 RRLC; Agilent 6520 QTOF
AC$INSTRUMENT_TYPE: LC-APCI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: SCANNING m/z 100-1000
AC$CHROMATOGRAPHY: COLUMN_NAME Agilent C8 Cartridge Column 2.1X30mm 3.5 micron (guard); Agilent SB-Aq 2.1x50mm 1.8 micron (analytical)
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 60 C
AC$CHROMATOGRAPHY: FLOW_GRADIENT linear from 98A/2B at 0 min to 2A/98B at 13 min, hold 6 min at 2A/98B, reequilibration 98A/2B (5 min)
AC$CHROMATOGRAPHY: FLOW_RATE 0.6 ml/min
AC$CHROMATOGRAPHY: RETENTION_TIME 10.743
AC$CHROMATOGRAPHY: SOLVENT A water with 0.2% acetic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.2% acetic acid

PK$SPLASH: splash10-0002-0009000000-631f3cd3a4765e6aaef4
PK$NUM_PEAK: 1
PK$PEAK: m/z int. rel.int.
  345.0968765 53402 999
//

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