MassBank Record: MSBNK-BAFG-CSL2311109124
ACCESSION: MSBNK-BAFG-CSL2311109124
RECORD_TITLE: Betamethasone; LC-ESI-QTOF; MS2; 110 V
DATE: 2023.11.10
AUTHORS: Kevin S. Jewell; Björn Ehlig; Arne Wick
LICENSE: dl-de/by-2-0
COPYRIGHT: Copyright 2023 Federal Institute of Hydrology, Koblenz, Germany
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: Chromatography method: dx.doi.org/10.1016/j.chroma.2015.11.014
COMMENT: Acquisition method: 10.1002/rcm.8541
CH$NAME: Betamethasone
CH$COMPOUND_CLASS: Pharmaceutical
CH$FORMULA: C22H29FO5
CH$EXACT_MASS: 392.1999
CH$SMILES: C[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@@]4([C@]3([C@H](C[C@@]2([C@]1(C(=O)CO)O)C)O)F)C
CH$IUPAC: InChI=1S/C22H29FO5/c1-12-8-16-15-5-4-13-9-14(25)6-7-19(13,2)21(15,23)17(26)10-20(16,3)22(12,28)18(27)11-24/h6-7,9,12,15-17,24,26,28H,4-5,8,10-11H2,1-3H3/t12-,15-,16-,17-,19-,20-,21-,22-/m0/s1
CH$LINK: CAS
378-44-9
CH$LINK: INCHIKEY
UREBDLICKHMUKA-DVTGEIKXSA-N
AC$INSTRUMENT: TripleTOF 5600 SCIEX
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 110
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME Zorbax Eclipse Plus C18 2.1 mm x 150 mm, 3.5 um, Agilent
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 °C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 0 min min 98% A, 1 min 98% A, 2 min 80% A, 16.5 min 2% A, 22 min 2% A, 22.1 min 98% A, 27 min 98% A
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 9.016 min
AC$CHROMATOGRAPHY: SOLVENT A: Water 0.1% Formic acid, B: Acetonitrile 0.1% Formic acid
MS$FOCUSED_ION: PRECURSOR_M/Z 393.2072
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: COMMENT Export with Spectra 1.9.12 MsBackendMassbank 1.7.4
MS$DATA_PROCESSING: WHOLE RMassBank 2.3.1
PK$SPLASH: splash10-00ou-2920000000-1a19f40162561b998195
PK$NUM_PEAK: 107
PK$PEAK: m/z int. rel.int.
43.0335 1.3 58
51.0331 1.8 81
55.0259 0.6 27
65.0453 4.6 207
67.0599 1.5 67
75.03 0.7 31
77.0438 21.5 967
78.0514 1.3 58
79.0585 3.9 175
89.0427 1.4 62
91.0576 22.2 999
93.0742 1.5 67
95.0903 0.5 22
101.0456 0.5 22
102.0479 1.8 81
103.0561 5.8 261
104.0644 1.4 62
105.0706 4.3 193
107.0514 2.1 94
109.047 0.7 31
115.0556 20.7 931
116.0638 2.6 117
117.0721 2.6 117
119.0879 1.5 67
121.0669 6.4 288
126.0461 1.3 58
127.0562 5.2 234
128.0635 19.4 873
129.0709 5 225
130.0808 0.9 40
131.0494 6.5 292
132.0579 2.4 108
133.0528 0.7 31
139.0546 1.7 76
140.0584 0.7 31
141.07 7.9 355
142.0808 1 45
143.0831 0.4 18
144.0582 1.6 72
145.0648 1.7 76
146.0542 0.6 27
146.0762 0.7 31
147.0828 0.6 27
150.0494 0.5 22
151.0553 3.2 144
152.0625 12.4 558
153.0687 4.5 202
154.082 1 45
155.047 0.5 22
155.0847 0.7 31
157.0656 2.1 94
158.0759 0.8 36
163.0543 1.1 49
164.0633 1.4 62
165.0704 16.3 733
166.0785 1.2 54
167.082 1 45
168.0576 1.2 54
169.0645 1.2 54
176.0625 2.7 121
177.0711 3.1 139
178.0779 11.6 522
179.0864 2.8 125
181.0642 3.7 166
183.0727 0.6 27
187.0539 0.4 18
188.0605 0.5 22
188.0662 0.6 27
189.0701 12.9 580
190.0772 3.7 166
191.0858 3.1 139
194.071 0.6 27
195.0822 1.3 58
200.0595 1 45
201.0685 1.9 85
202.0784 12.4 558
203.0847 3.7 166
204.0859 0.5 22
204.0997 0.4 18
205.0644 2.2 99
205.1013 0.8 36
206.0755 0.6 27
207.0792 1.2 54
208.0868 0.4 18
213.0688 1.9 85
214.0745 1 45
215.0847 7.6 342
217.1051 0.7 31
218.0704 2.2 99
219.0811 1 45
224.0581 0.4 18
226.0788 3.1 139
227.0839 1.9 85
228.0932 2.4 108
229.0955 0.4 18
231.079 3.3 148
232.088 0.6 27
233.0839 0.5 22
233.0963 0.7 31
239.0784 0.5 22
239.0893 0.7 31
241.0962 0.5 22
242.0743 0.6 27
243.0827 0.6 27
245.097 0.8 36
252.0858 0.5 22
255.073 0.6 27
//