ACCESSION: MSBNK-MSSJ-MSJ00750
RECORD_TITLE: Citric acid-[1-13C]; GC-EI-QQ; MS2; POSITIVE; CID 10 V; 4 TBDMS-derivative; [M-291]+
DATE: 2021.10.28
AUTHORS: Nobuyuki Okahashi and Fumio Matsuda, Osaka University
LICENSE: CC BY
COPYRIGHT: Nobuyuki Okahashi and Fumio Matsuda, Osaka University
PUBLICATION: Nobuyuki Okahashi et al. Mass Spectrometry 2019 vol. 8, A0073.
COMMENT: The sample analyzed is labeled with 13C at the carbon atom 1.
COMMENT: Annotation of fragment ions (PK$ANNOTATION) is based on Supplemental material page 22 of the publication.
COMMENT: This record was created by the financial support of MEXT/JSPS KAKENHI Grant Number 21HP8020 to the Mass Spectrometry Society of Japan.

CH$NAME: Citric acid-[1-13C]
CH$COMPOUND_CLASS: In vitro synthetic compound
CH$FORMULA: C₆H₈O₇
CH$EXACT_MASS: 192.02701
CH$SMILES: C(C(=O)O)C(C[13C](=O)O)(C(=O)O)O
CH$IUPAC: InChI=1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)/i3+1
CH$LINK: CHEMSPIDER 8165754
CH$LINK: INCHIKEY KRKNYBCHXYNGOX-LBPDFUHNSA-N
CH$LINK: PUBCHEM CID:9990172

AC$INSTRUMENT: GCMS-TQ8040 (Shimadzu, Kyoto, Japan)
AC$INSTRUMENT_TYPE: GC-EI-QQ
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 V
AC$MASS_SPECTROMETRY: COLLISION_GAS Ar (200 kPa)
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: ION_SOURCE_TEMPERATURE 200 C
AC$MASS_SPECTROMETRY: SCAN_RANGE_M/Z 50-600
AC$CHROMATOGRAPHY: COLUMN_NAME DB-5MS+DG (Agilent Technologies, Santa Clara, CA, USA)
AC$CHROMATOGRAPHY: INJECTION_TEMPERATURE 250 C
AC$CHROMATOGRAPHY: OVEN_TEMPERATURE 70 C (Duration 2 min)-280 C (rate:10 C/min; Duration 3 min)
AC$CHROMATOGRAPHY: TRANSFARLINE_TEMPERATURE 250 C

MS$FOCUSED_ION: DERIVATIVE_FORM C30H64O7Si4
MS$FOCUSED_ION: DERIVATIVE_MASS 648.37291
MS$FOCUSED_ION: DERIVATIVE_TYPE 4 TBDMS
MS$FOCUSED_ION: PRECURSOR_M/Z 358.19455

PK$SPLASH: splash10-0ab9-7239000000-8523303cdd1a00380e9f
PK$ANNOTATION: m/z formula exact_mass error(ppm)
  358.2 C16(13C)H33O4Si2+ 358.19455 15.2
PK$NUM_PEAK: 11
PK$PEAK: m/z int. rel.int.
  73.1 118658 957
  112.1 1494 12
  115.1 40986 330
  147.2 1964 15
  226.15 54471 439
  244.2 3798 30
  313.2 7514 60
  314.15 5960 48
  342.1 2794 22
  357.25 3015 24
  358.2 123862 999
//