DL-Pyroglutamic acid(149-87-1) MS
Molecular FormulaC5H7NO3
Molecular Weight129.11
InChIInChI=1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m0/s1
InChIKey ODHCTXKNWHHXJC-VKHMYHEASA-N
SmilesC(O)(=O)[C@@H]1CCC(=O)N1
-
![](https://www.chemicalbook.com/Spectrum/149-87-1_MS.gif)
Mass
MS-NW-4591
DL-5-oxo-2-pyrrolidinecarboxylic acid
C5H7NO3 (Mass of molecular ion: 129)
Source Temperature: 190 °C
Sample Temperature: 120 °C
Direct, 75 eV
15.0 1.0
17.0 1.1
18.0 4.9
26.0 2.3
27.0 5.4
28.0 27.4
29.0 3.1
30.0 2.1
39.0 3.1
40.0 1.0
41.0 26.2
42.0 1.6
44.0 1.1
45.0 3.1
54.0 2.1
55.0 3.0
56.0 13.2
73.0 1.6
83.0 1.1
84.0 100.0
85.0 5.2
129.0 5.5