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Rifampicin
SpectraBase Compound ID 2PjIfqf3AJW
InChI InChI=1S/C43H58N4O12/c1-21-12-11-13-22(2)42(55)45-33-28(20-44-47-17-15-46(9)16-18-47)37(52)30-31(38(33)53)36(51)26(6)40-32(30)41(54)43(8,59-40)57-19-14-29(56-10)23(3)39(58-27(7)48)25(5)35(50)24(4)34(21)49/h11-14,19-21,23-25,29,34-35,39,44,49-51,53H,15-18H2,1-10H3,(H,45,55)/b12-11-,19-14+,22-13-,28-20+/t21-,23-,24+,25-,29-,34-,35+,39+,43-/m0/s1
InChIKey FZYOVNIOYYPUPY-CDGRCCKYSA-N
Mol Weight 823.0 g/mol
Molecular Formula C43H58N4O12
Exact Mass 822.405123 g/mol

Mass Spectrum (LC)

Mass Spectrum (LC)

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SpectraBase Spectrum ID H4LiXScYnrc
Name Rifampicin
CAS Registry Number 13292-46-1
Collision Energy 10 eV
Copyright Copyright © 2012-2025 Herbert Oberacher. All Rights Reserved.
Exact Mass 822.405123312 u
Formula C43H58N4O12
InChI InChI=1S/C43H58N4O12/c1-21-12-11-13-22(2)42(55)45-33-28(20-44-47-17-15-46(9)16-18-47)37(52)30-31(38(33)53)36(51)26(6)40-32(30)41(54)43(8,59-40)57-19-14-29(56-10)23(3)39(58-27(7)48)25(5)35(50)24(4)34(21)49/h11-14,19-21,23-25,29,34-35,39,44,49-51,53H,15-18H2,1-10H3,(H,45,55)/b12-11-,19-14+,22-13-,28-20+/t21-,23-,24+,25-,29-,34-,35+,39+,43-/m0/s1
InChIKey FZYOVNIOYYPUPY-CDGRCCKYSA-N
Instrument Name QStar XL, AB Sciex
Ion Polarity P
Ionization Type ESI+
Molecular Weight 822.953 g/mol
Nominal Mass 822 u
Precursor Ion [M+H]+
Precursor m/z 823.412
SMILES O[C@]1([C@@]([C@@]([C@]([C@](\C=C\O[C@@]2(C(C=3C=4C(\C(=C\NN5CCN(CC5)C)C(=C(C4C(=C(C3O2)C)O)O)NC(\C(=C/C=C\[C@@]([C@@]([C@]1(C)[H])(O)[H])(C)[H])C)=O)=O)=O)C)(OC)[H])(C)[H])(OC(=O)C)[H])(C)[H])[H]
Selected Ion Charge 1
Source of Spectrum Herbert Oberacher, Institute of Legal Medicine, Innsbruck/Austria
Spectrum Type ms2
Technique Q-TOF
Wiley ID MSforID_+_845.1