DL-Histidine(4998-57-6) IR1
Molecular FormulaC6H9N3O2
Molecular Weight155.15
InChIInChI=1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1
InChIKey HNDVDQJCIGZPNO-YFKPBYRVSA-N
SmilesC(O)(=O)[C@H](CC1N=CNC=1)N
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![](https://www.chemicalbook.com/Spectrum/4998-57-6_MS.gif)
Mass
MS-NW-0617
DL-histidine
C6H9N3O2 (Mass of molecular ion: 155)
Source Temperature: 240 °C
Sample Temperature: 220 °C
Direct, 75 eV
15.0 1.0
17.0 1.0
18.0 4.1
26.0 1.8
27.0 3.5
28.0 26.7
29.0 3.3
30.0 3.8
38.0 1.0
39.0 2.9
40.0 2.2
41.0 3.8
42.0 4.0
43.0 2.1
44.0 2.9
46.0 2.0
52.0 3.1
53.0 2.1
54.0 16.1
55.0 8.7
56.0 6.5
57.0 1.1
66.0 1.8
68.0 1.7
69.0 2.2
74.0 2.8
80.0 1.0
81.0 44.8
82.0 100.0
83.0 13.5
93.0 4.6
94.0 1.9
109.0 6.1
110.0 19.4
111.0 2.8
155.0 1.0