Tetracycline(60-54-8) IR2
Molecular FormulaC22H24N2O8
Molecular Weight444.43
InChIInChI=1S/C22H24N2O8/c1-21(31)8-5-4-6-11(25)12(8)16(26)13-9(21)7-10-15(24(2)3)17(27)14(20(23)30)19(29)22(10,32)18(13)28/h4-6,9-10,15,25,27-28,31-32H,7H2,1-3H3,(H2,23,30)/t9-,10-,15-,21+,22-/m0/s1
InChIKey OFVLGDICTFRJMM-WESIUVDSSA-N
SmilesC1(=O)[C@]2(O)[C@@]([H])(C[C@@]3([H])C(=C2O)C(=O)C2=C(C=CC=C2O)[C@]3(O)C)[C@H](N(C)C)C(O)=C1C(N)=O
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![](https://www.chemicalbook.com/Spectrum/60-54-8_MS.gif)
Mass
MS-NW-7870
tetracycline
C22H24N2O8 2H2O (Mass of molecular ion: 444)
Source Temperature: 180 °C
Sample Temperature: 160 °C
Direct, 75 eV
12.0 2.0
15.0 9.4
16.0 9.7
17.0 11.7
18.0 32.8
27.0 1.8
28.0 16.8
29.0 1.7
30.0 5.8
39.0 1.5
40.0 2.5
41.0 4.2
42.0 15.2
43.0 9.0
44.0 100.0
45.0 22.7
46.0 6.8
55.0 1.4
56.0 1.4
57.0 2.1
58.0 21.3
59.0 2.2
69.0 1.6
70.0 1.4
71.0 2.5
72.0 5.3
76.0 1.0
77.0 1.1
82.0 1.3
84.0 8.8
85.0 1.3
86.0 1.1
87.0 1.6
88.0 2.2
89.0 1.0
98.0 4.0
100.0 2.3
102.0 1.7
113.0 1.2
114.0 1.1
115.0 1.9
126.0 1.4
127.0 2.1
128.0 1.7
129.0 1.0
130.0 1.1
138.0 1.7
139.0 5.3
140.0 1.4
141.0 1.3
151.0 1.6
152.0 2.9
153.0 1.7
154.0 1.4
158.0 1.4
163.0 1.2
165.0 2.0
170.0 1.9
171.0 1.2
174.0 1.1
181.0 2.0
182.0 1.0
186.0 1.1
187.0 1.4
188.0 1.0
195.0 1.3
196.0 1.1
197.0 1.9
210.0 1.5
211.0 1.9
212.0 1.1
213.0 4.5
214.0 1.4
224.0 1.2
225.0 2.8
226.0 1.4
227.0 2.3
238.0 1.0
239.0 2.8
240.0 2.7
241.0 14.6
242.0 2.8
252.0 1.4
255.0 1.2
256.0 7.2
257.0 1.7
266.0 1.1
268.0 2.5
269.0 1.0
283.0 1.0
296.0 1.4
313.0 1.6
314.0 2.4
426.0 2.1