ACCESSION: MSBNK-MSSJ-MSJ00156
RECORD_TITLE: Crassostreaxanthin A; LC-ESI-QTOF; MS2; POSITIVE; ESI; [M+Na]+; COLLISION_ENERGY 20 V.
DATE: 2019.05.13
AUTHORS: Takashi Maoka, Research Institute for Production Development, Kyoto 606-0805, Japan.
LICENSE: CC BY
COPYRIGHT: Takashi Maoka, Research Institute for Production Development, Kyoto 606-0805, Japan.
PUBLICATION: Takashi Maoka, Structural studies of carotenoids in plants, animals, and food products, in Chapter 7, Carotenoids Nutrition, Analysis and Technology, Edited by Agnieska Kaezor and Malgorzata Baranska, Wiley Blackwell, UK, pp. 103-129, (2016).
COMMENT: Window width to select the precursor ion was 3 Da.
COMMENT: CONE_VOLTAGE was 20 V.
COMMENT: This record was created by the financial support of MEXT/JSPS KAKENHI Grant Number 19HP8024 to the Mass Spectrometry Society of Japan.

CH$NAME: Crassostreaxanthin A
CH$COMPOUND_CLASS: Natural products; Carotenoids, Xanthophyll
CH$FORMULA: C₄₀H₅₄O₄
CH$EXACT_MASS: 598.4022
CH$SMILES: C[C@@H]1C[C@@H](O[C@@]1(C)CC(=O)/C(=C/C=C/C(=C/C=C/C=C(\C)/C=C/C=C(\C)/C#CC2=C(C[C@H](CC2(C)C)O)C)/C)/C)CC(=O)C
CH$IUPAC: InChI=1S/C40H54O4/c1-28(17-13-18-30(3)21-22-37-32(5)23-35(42)26-39(37,8)9)15-11-12-16-29(2)19-14-20-31(4)38(43)27-40(10)33(6)24-36(44-40)25-34(7)41/h11-20,33,35-36,42H,23-27H2,1-10H3/b12-11+,17-13+,19-14+,28-15+,29-16+,30-18+,31-20+/t33-,35-,36-,40+/m1/s1
CH$LINK: CHEMSPIDER 10474678
CH$LINK: INCHIKEY KFNGKYUGHHQDEE-AXWOCEAUSA-N
CH$LINK: PUBCHEM CID:23428096

AC$INSTRUMENT: Xevo G2-S QtOF, Waters (USA) coupled to ACQUITY UPLC, Waters (USA).
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 20 V
AC$MASS_SPECTROMETRY: COLLISION_GAS Ar
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME BEH C18, I.D. 2.1 mm, length 100 mm, thickness 1.7 micrometer.
AC$CHROMATOGRAPHY: FLOW_GRADIENT A CH3CN:H2O (85:15) and B CH3CN:CH3OH (65:35). A 100% for 8 min, then B 100% at the 9.4 mL/min linear gradient.

MS$FOCUSED_ION: ION_TYPE [M+Na]+
MS$FOCUSED_ION: PRECURSOR_M/Z 621.3914

PK$SPLASH: splash10-00di-0000009000-8726475424645d0a6b26
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  621.394 9673 999
  622.399 4345 449
  623.398 620.6 64
//