HEPES(7365-45-9) IR2
Molecular FormulaC8H18N2O4S
Molecular Weight238.3
InChIInChI=1S/C8H18N2O4S/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14/h11H,1-8H2,(H,12,13,14)
InChIKey JKMHFZQWWAIEOD-UHFFFAOYSA-N
SmilesN1(CCS(O)(=O)=O)CCN(CCO)CC1
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![](https://www.chemicalbook.com/Spectrum/7365-45-9_MS.gif)
Mass
MS-NW-9023
4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid
C8H18N2O4S (Mass of molecular ion: 238)
Source Temperature: 240 °C
Sample Temperature: 250 °C
Direct, 75 eV
14.0 1.1
15.0 10.0
17.0 5.5
18.0 22.1
25.0 1.3
26.0 13.7
27.0 57.8
28.0 27.5
29.0 16.7
30.0 10.2
31.0 1.0
32.0 1.5
39.0 2.7
40.0 2.8
41.0 16.5
42.0 85.5
43.0 36.3
44.0 43.0
45.0 3.5
48.0 10.3
49.0 1.5
52.0 2.0
53.0 1.5
54.0 12.6
55.0 73.6
56.0 61.7
57.0 62.8
58.0 31.6
59.0 1.9
60.0 1.2
63.0 1.1
64.0 13.7
65.0 51.1
66.0 2.4
67.0 3.2
68.0 6.1
69.0 10.9
70.0 37.4
71.0 4.0
72.0 6.9
73.0 1.6
74.0 1.8
80.0 1.8
81.0 4.5
82.0 14.5
83.0 13.4
84.0 26.0
85.0 7.6
86.0 3.2
88.0 9.3
91.0 5.6
93.0 1.0
94.0 1.3
95.0 1.0
97.0 9.1
98.0 6.5
99.0 37.9
100.0 10.3
108.0 3.2
109.0 1.8
111.0 5.8
112.0 100.0
113.0 11.1
114.0 2.4
115.0 1.0
125.0 1.4
126.0 1.1
127.0 4.3
128.0 1.8
130.0 1.0
141.0 2.2
143.0 6.3
144.0 1.0
157.0 1.4
207.0 1.5