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Ursodeoxycholic acid
SpectraBase Compound ID JPPdn6VqSzi
InChI InChI=1S/C24H40O4/c1-14(4-7-21(27)28)17-5-6-18-22-19(9-11-24(17,18)3)23(2)10-8-16(25)12-15(23)13-20(22)26/h14-20,22,25-26H,4-13H2,1-3H3,(H,27,28)/t14-,15?,16-,17?,18?,19?,20+,22?,23+,24-/m1/s1
InChIKey RUDATBOHQWOJDD-ZAXPUSGHSA-N
Mol Weight 392.6 g/mol
Molecular Formula C24H40O4
Exact Mass 392.29266 g/mol

Mass Spectrum (LC)

Mass Spectrum (LC)

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SpectraBase Spectrum ID 6ljFqvd9NJ9
Name Ursodeoxycholic acid
CAS Registry Number 128-13-2
Collision Energy 50 eV
Copyright Copyright © 2012-2025 Herbert Oberacher. All Rights Reserved.
Exact Mass 392.292659764 u
Formula C24H40O4
InChI InChI=1S/C24H40O4/c1-14(4-7-21(27)28)17-5-6-18-22-19(9-11-24(17,18)3)23(2)10-8-16(25)12-15(23)13-20(22)26/h14-20,22,25-26H,4-13H2,1-3H3,(H,27,28)/t14-,15?,16-,17?,18?,19?,20+,22?,23+,24-/m1/s1
InChIKey RUDATBOHQWOJDD-ZAXPUSGHSA-N
Instrument Name QStar XL, AB Sciex
Ion Polarity N
Ionization Type ESI-
Molecular Weight 392.580 g/mol
Nominal Mass 392 u
Precursor Ion [M-H]-
Precursor m/z 391.285
SMILES O[C@@]1(C2C([C@@]3(C(C[C@](O)(CC3)[H])C1)C)CC[C@]1(C2CCC1[C@@](CCC(O)=O)(C)[H])C)[H]
Selected Ion Charge -1
Source of Spectrum Herbert Oberacher, Institute of Legal Medicine, Innsbruck/Austria
Spectrum Type ms2
Synonyms (4R)-4-[(3R,5S,7S,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoic acid
Technique Q-TOF
Wiley ID MSforID_-_157.7