Product NamePregnenolone
CAS145-13-1
Molecular FormulaC21H32O2
Molecular Weight316.48
InChIInChI=1/C21H32O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h4,15-19,23H,5-12H2,1-3H3/t15-,16-,17+,18-,19-,20-,21+/s3
InChIKey ORNBQBCIOKFOEO-ZUDMQCANNA-N
Smiles[C@@]12(CC[C@]3(C)[C@H](CC[C@@]3([H])[C@]1([H])CC=C1C[C@@H](O)CC[C@]21C)C(C)=O)[H] |&1:0,3,5,8,10,16,20,r|

Mass
MS-NW-2172 3beta-hydroxy-5-pregnen-20-one C21H32O2 (Mass of molecular ion: 316)
Source Temperature: 230 °C Sample Temperature: 140 °C Direct, 75 eV
15.0 1.8
17.0 2.4
18.0 12.2
27.0 4.8
28.0 6.3
29.0 7.7
39.0 6.5
40.0 1.3
41.0 22.2
42.0 1.1
43.0 100.0
44.0 2.5
45.0 2.0
51.0 1.9
52.0 1.0
53.0 8.3
54.0 1.0
55.0 19.3
56.0 1.1
57.0 3.3
65.0 5.1
66.0 1.6
67.0 19.5
68.0 2.4
69.0 5.6
71.0 13.0
77.0 13.2
78.0 4.1
79.0 24.8
80.0 3.9
81.0 23.8
82.0 2.5
83.0 4.3
84.0 5.0
85.0 38.8
86.0 2.5
91.0 31.5
92.0 8.1
93.0 25.1
94.0 6.6
95.0 21.6
96.0 2.7
97.0 3.2
99.0 1.3
103.0 2.5
104.0 2.5
105.0 31.0
106.0 11.2
107.0 37.5
108.0 10.0
109.0 11.5
110.0 1.7
111.0 2.9
113.0 1.0
115.0 4.6
116.0 2.4
117.0 11.0
118.0 5.7
119.0 20.1
120.0 18.4
121.0 29.1
122.0 6.3
123.0 4.5
124.0 4.8
125.0 7.8
127.0 1.1
128.0 4.1
129.0 6.7
130.0 3.3
131.0 16.6
132.0 5.9
133.0 20.6
134.0 6.3
135.0 9.8
136.0 2.4
137.0 5.4
138.0 2.8
139.0 1.2
141.0 3.5
142.0 2.3
143.0 12.9
144.0 5.4
145.0 30.1
146.0 9.2
147.0 23.1
148.0 6.3
149.0 6.4
150.0 1.4
151.0 2.6
152.0 1.0
155.0 2.8
156.0 1.7
157.0 9.1
158.0 8.2
159.0 24.8
160.0 11.3
161.0 24.6
162.0 4.5
163.0 6.5
164.0 1.3
165.0 1.6
169.0 3.5
170.0 1.6
171.0 7.6
172.0 3.7
173.0 11.3
174.0 3.6
175.0 5.0
176.0 2.8
177.0 7.8
178.0 2.7
179.0 1.8
181.0 1.1
183.0 4.4
184.0 1.5
185.0 7.4
186.0 2.4
187.0 15.3
188.0 3.0
189.0 5.7
190.0 3.0
191.0 3.6
192.0 2.6
193.0 1.3
195.0 1.9
197.0 3.2
198.0 1.5
199.0 6.2
200.0 2.2
201.0 3.7
202.0 1.3
203.0 1.9
204.0 7.2
205.0 23.0
206.0 4.4
207.0 1.5
209.0 3.7
210.0 1.0
211.0 3.8
212.0 2.0
213.0 26.1
214.0 6.4
215.0 4.6
216.0 2.0
217.0 2.4
218.0 1.5
223.0 1.5
225.0 3.7
226.0 1.3
227.0 6.0
228.0 5.8
229.0 4.8
230.0 3.9
231.0 32.3
232.0 7.0
233.0 1.1
239.0 4.2
240.0 3.4
241.0 6.0
242.0 1.6
243.0 3.2
244.0 4.2
245.0 2.2
246.0 2.6
253.0 3.1
254.0 1.4
255.0 16.3
256.0 9.1
257.0 5.5
258.0 3.4
259.0 3.4
265.0 7.7
266.0 2.0
269.0 2.3
270.0 2.4
271.0 1.2
272.0 2.7
273.0 4.4
274.0 1.2
280.0 2.5
281.0 1.3
282.0 1.1
283.0 39.2
284.0 8.8
285.0 1.4
296.0 1.5
297.0 1.0
298.0 91.6
299.0 20.8
300.0 3.4
301.0 11.6
302.0 2.8
314.0 1.2
316.0 69.0
317.0 15.7
318.0 2.1
400 MHz in CDCl3

| 1H NMR | 399.65 MHz |
| C21 H32 O2 | 0.049 g : 0.5 ml CDCl3 |
| 3beta-hydroxy-5-pregnen-20-one | |
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Assign. Shift(ppm) |
Hz ppm Int.
2140.87 5.357 59
2138.79 5.352 43
2137.57 5.349 42
2135.50 5.344 56
2133.79 5.340 31
1409.18 3.527 35
1022.95 2.560 37
1014.04 2.538 76
1005.13 2.516 33
919.43 2.301 42
917.85 2.297 44
914.55 2.289 44
912.35 2.283 42
907.23 2.271 32
905.03 2.265 30
896.00 2.242 33
894.04 2.238 37
877.69 2.197 42
875.61 2.191 40
866.46 2.169 46
865.11 2.165 35
861.82 2.157 31
855.59 2.141 38
850.71 2.129 1000
826.05 2.067 55
823.24 2.060 40
817.63 2.046 38
815.06 2.040 47
813.23 2.035 33
812.74 2.034 32
811.28 2.030 33
810.30 2.028 35
807.62 2.021 31
797.97 1.997 39
797.61 1.996 39
793.95 1.987 165
749.76 1.877 51
746.70 1.869 67
737.18 1.845 68
735.84 1.842 69
732.30 1.833 46
675.54 1.691 34
672.85 1.684 57
671.51 1.681 57
667.11 1.670 38
664.79 1.664 56
663.45 1.661 51
662.72 1.659 49
657.84 1.647 47
654.54 1.638 41
652.47 1.633 32
650.02 1.627 32
648.32 1.623 50
646.73 1.619 58
644.04 1.612 39
642.82 1.609 40
639.04 1.599 30
631.35 1.580 38
628.30 1.573 30
616.46 1.543 33
614.50 1.538 58
612.06 1.532 63
610.11 1.527 49
607.18 1.520 39
601.93 1.507 67
598.27 1.497 79
596.44 1.493 51
592.16 1.482 46
587.89 1.472 126
583.74 1.461 48
580.08 1.452 45
578.25 1.447 59
500.73 1.253 54
484.38 1.213 38
474.37 1.187 30
468.38 1.172 36
464.60 1.163 30
452.03 1.132 34
449.10 1.124 30
439.70 1.101 40
435.79 1.091 34
409.67 1.026 32
403.56 1.010 633
399.78 1.001 37
398.19 0.997 35
394.17 0.987 37
393.55 0.985 37
252.32 0.632 662
in CDCl3

KBr disc

nujol mull

4880 A,200 M,powder

Pregnenolone(145-13-1) 13C NMR Atlas of Related Products
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