Molecular FormulaC21H28O5
Molecular Weight360.44
InChIInChI=1S/C21H28O5/c1-19-7-5-13(23)9-12(19)3-4-14-15-6-8-21(26,17(25)11-22)20(15,2)10-16(24)18(14)19/h9,14-15,18,22,26H,3-8,10-11H2,1-2H3/t14-,15-,18+,19-,20-,21-/m0/s1
InChIKey MFYSYFVPBJMHGN-ZPOLXVRWSA-N
SmilesC1(=O)C=C2[C@](C)(CC1)[C@]1([H])[C@]([H])([C@@]3([H])[C@@](CC1=O)(C)[C@@](O)(C(=O)CO)CC3)CC2

Mass
MS-IW-4878 cortisone C21H28O5 (Mass of molecular ion: 360)
Source Temperature: 170 °C Sample Temperature: 210 °C Direct, 75 eV
17.0 1.4
18.0 6.7
27.0 3.8
28.0 3.9
29.0 9.3
30.0 6.3
31.0 6.2
32.0 2.0
39.0 6.3
40.0 1.6
41.0 16.9
42.0 2.5
43.0 12.2
51.0 2.1
52.0 1.3
53.0 8.2
54.0 1.2
55.0 17.6
56.0 1.2
57.0 2.1
60.0 2.9
65.0 5.7
66.0 2.4
67.0 10.5
68.0 3.4
69.0 6.6
71.0 2.0
77.0 13.9
78.0 3.8
79.0 16.5
80.0 3.4
81.0 9.9
82.0 2.5
83.0 3.3
85.0 1.2
86.0 1.0
91.0 24.1
92.0 4.3
93.0 11.4
94.0 3.5
95.0 11.1
96.0 4.2
97.0 7.3
98.0 1.0
99.0 2.3
103.0 3.2
104.0 1.8
105.0 16.8
106.0 4.5
107.0 17.0
108.0 5.9
109.0 9.0
110.0 3.8
111.0 2.8
115.0 5.1
116.0 2.3
117.0 6.7
118.0 2.3
119.0 10.7
120.0 5.7
121.0 37.3
122.0 100.0
123.0 26.9
124.0 5.6
125.0 2.8
127.0 1.5
128.0 3.7
129.0 4.7
130.0 2.1
131.0 7.7
132.0 2.8
133.0 12.8
134.0 10.0
135.0 17.8
136.0 15.7
137.0 6.0
138.0 1.7
139.0 2.4
141.0 2.1
142.0 1.7
143.0 5.0
144.0 2.9
145.0 9.2
146.0 5.0
147.0 19.4
148.0 6.0
149.0 7.2
150.0 1.9
151.0 2.7
152.0 1.0
153.0 1.3
155.0 1.8
156.0 1.1
157.0 3.6
158.0 2.6
159.0 9.5
160.0 6.5
161.0 20.1
162.0 8.6
163.0 14.9
164.0 3.0
165.0 6.0
166.0 1.5
167.0 1.5
169.0 2.0
170.0 1.3
171.0 4.7
172.0 2.2
173.0 8.1
174.0 3.5
175.0 6.4
176.0 2.5
177.0 3.7
178.0 3.0
179.0 7.5
180.0 1.4
181.0 1.5
183.0 2.6
184.0 1.4
185.0 3.6
186.0 2.8
187.0 6.2
188.0 4.5
189.0 9.1
190.0 2.8
191.0 2.8
192.0 1.6
193.0 5.4
194.0 1.2
195.0 5.4
196.0 1.3
197.0 3.2
198.0 1.8
199.0 3.4
200.0 1.7
201.0 3.7
202.0 2.7
203.0 1.8
204.0 1.4
205.0 1.8
206.0 1.3
207.0 2.6
208.0 2.0
209.0 3.7
210.0 1.2
211.0 3.0
212.0 1.5
213.0 3.1
214.0 2.0
215.0 5.4
216.0 2.1
217.0 1.1
221.0 1.3
222.0 1.1
223.0 2.6
224.0 1.4
225.0 5.5
226.0 2.0
227.0 3.4
228.0 3.7
229.0 3.8
230.0 5.5
231.0 2.2
237.0 1.5
238.0 1.5
239.0 3.9
240.0 2.0
241.0 5.4
242.0 2.8
243.0 7.9
244.0 4.7
245.0 2.6
249.0 1.1
251.0 1.2
253.0 1.5
254.0 1.2
255.0 4.3
256.0 8.0
257.0 23.6
258.0 24.4
259.0 6.8
260.0 1.3
265.0 2.2
266.0 1.1
267.0 5.2
268.0 2.0
269.0 1.4
271.0 2.6
272.0 4.2
273.0 2.6
281.0 1.3
282.0 1.9
283.0 4.3
284.0 2.5
285.0 11.3
286.0 3.9
287.0 1.6
295.0 1.6
297.0 1.7
299.0 1.7
300.0 25.8
301.0 18.3
302.0 5.2
303.0 1.0
310.0 1.1
311.0 6.1
312.0 5.7
313.0 21.0
314.0 6.1
315.0 3.3
326.0 1.0
327.0 1.6
328.0 11.5
329.0 2.9
330.0 29.8
331.0 7.2
332.0 1.8
342.0 8.9
343.0 2.7
344.0 2.3
360.0 12.1
361.0 3.0
400 MHz in DMSO-d6

| 1H NMR | 399.65 MHz |
| C21 H28 O5 | 0.039 g : 0.5 ml DMSO-d6 |
| cortisone | |
![]() |
Assign. Shift(ppm) |
Hz ppm Int.
2253.66 5.640 233
2239.75 5.605 455
1880.00 4.705 69
1874.02 4.690 130
1868.16 4.675 83
1791.87 4.484 73
1785.28 4.468 70
1772.46 4.436 96
1765.99 4.419 85
1642.58 4.111 83
1637.33 4.097 89
1623.29 4.062 73
1618.04 4.049 69
1156.37 2.894 100
1144.04 2.863 107
1030.76 2.580 51
1027.59 2.572 84
1025.27 2.566 80
1022.34 2.559 68
1021.00 2.555 69
1017.09 2.545 79
1012.45 2.534 72
1008.79 2.525 67
1007.32 2.521 72
1003.91 2.512 74
1003.42 2.511 74
984.50 2.464 51
979.49 2.451 49
969.85 2.427 88
967.53 2.421 105
965.09 2.415 84
962.89 2.410 64
957.89 2.397 68
953.00 2.385 96
950.81 2.380 72
947.51 2.371 84
938.84 2.350 62
935.30 2.341 44
909.55 2.276 71
896.48 2.244 48
859.99 2.152 118
853.76 2.137 95
849.12 2.125 164
840.33 2.103 43
837.04 2.095 64
785.03 1.965 168
772.71 1.934 181
761.84 1.907 104
753.17 1.885 100
718.02 1.797 46
709.72 1.776 50
664.79 1.664 84
649.05 1.625 82
542.72 1.358 55
540.04 1.352 33
536.74 1.344 62
527.59 1.321 1000
519.04 1.299 44
496.95 1.244 46
493.77 1.236 46
484.13 1.212 42
483.89 1.211 42
481.08 1.204 41
480.71 1.203 41
187.99 0.471 806
in DMSO-d6

KBr disc

nujol mull

CORTISONE(53-06-5) MS Atlas of Related Products
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