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Azithromycin
SpectraBase Compound ID 24eXQyZ0J5h
InChI InChI=1S/C38H72N2O12/c1-15-27-38(10,46)31(42)24(6)40(13)19-20(2)17-36(8,45)33(52-35-29(41)26(39(11)12)16-21(3)48-35)22(4)30(23(5)34(44)50-27)51-28-18-37(9,47-14)32(43)25(7)49-28/h20-33,35,41-43,45-46H,15-19H2,1-14H3/t20-,21-,22+,23-,24-,25+,26+,27-,28+,29-,30+,31-,32+,33-,35+,36-,37-,38-/m1/s1
InChIKey MQTOSJVFKKJCRP-BICOPXKESA-N
Mol Weight 749.0 g/mol
Molecular Formula C38H72N2O12
Exact Mass 748.508526 g/mol

Mass Spectrum (LC)

Mass Spectrum (LC)

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SpectraBase Spectrum ID Gue6A4k7UAD
Name Azithromycin
CAS Registry Number 83905-01-5
Collision Energy 15 eV
Copyright Copyright © 2012-2025 Herbert Oberacher. All Rights Reserved.
Exact Mass 748.508525754 u
Formula C38H72N2O12
InChI InChI=1S/C38H72N2O12/c1-15-27-38(10,46)31(42)24(6)40(13)19-20(2)17-36(8,45)33(52-35-29(41)26(39(11)12)16-21(3)48-35)22(4)30(23(5)34(44)50-27)51-28-18-37(9,47-14)32(43)25(7)49-28/h20-33,35,41-43,45-46H,15-19H2,1-14H3/t20-,21-,22+,23-,24-,25+,26+,27-,28+,29-,30+,31-,32+,33-,35+,36-,37-,38-/m1/s1
InChIKey MQTOSJVFKKJCRP-BICOPXKESA-N
Instrument Name QStar XL, AB Sciex
Ion Polarity P
Ionization Type ESI+
Molecular Weight 748.996 g/mol
Nominal Mass 748 u
Precursor Ion [M+H]+
Precursor m/z 749.516
SMILES O[C@]1([C@@](O[C@@](O[C@]2([C@@]([C@]([C@](O)(C[C@](CN([C@@]([C@]([C@@]([C@](OC([C@@]2(C)[H])=O)(CC)[H])(O)C)(O)[H])(C)[H])C)(C)[H])C)(O[C@@]2(O[C@@](C[C@](N(C)C)([C@]2(O)[H])[H])(C)[H])[H])[H])(C)[H])[H])(C[C@]1(OC)C)[H])(C)[H])[H]
Selected Ion Charge 1
Source of Spectrum Herbert Oberacher, Institute of Legal Medicine, Innsbruck/Austria
Spectrum Type ms2
Synonyms (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one
Technique Q-TOF
Wiley ID MSforID_+_80.2