Molecular FormulaC4H9N3O3
Molecular Weight147.13
InChI
InChIKey
Smiles

Mass
MS-NW-9132 (-)-3-ureido-L-alanine C4H9N3O3 (Mass of molecular ion: 147)
Source Temperature: 220 °C Sample Temperature: 190 °C Direct, 75 eV
15.0 4.4
16.0 9.9
17.0 18.1
18.0 17.4
27.0 1.9
28.0 18.5
29.0 12.6
30.0 100.0
31.0 6.3
40.0 1.2
41.0 3.8
42.0 14.6
43.0 20.7
44.0 20.7
45.0 2.1
46.0 1.2
56.0 2.4
57.0 16.1
58.0 4.4
59.0 7.6
60.0 1.7
61.0 6.0
69.0 1.6
73.0 23.6
74.0 10.7
75.0 30.5
84.0 3.8
85.0 24.7
86.0 4.9
87.0 3.6
102.0 3.3
104.0 5.7
112.0 1.5
400 MHz in D2O

| 1H NMR | 399.65 MHz |
| C4 H9 N3 O3 | 0.033 g : 0.5 ml D2O |
| (-)-3-ureido-L-alanine | |
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Assign. Shift(ppm) |
Hz ppm Int.
1561.89 3.909 44 1561.28 3.907 46 1560.79 3.906 51 1554.32 3.890 764 1550.90 3.881 975 1548.10 3.874 1000 1544.56 3.865 948 1497.44 3.747 611 1494.02 3.739 604 1488.04 3.724 87 1482.18 3.709 893 1478.76 3.701 872 1470.95 3.681 49 1420.41 3.555 812 1413.94 3.538 762 1405.27 3.517 579 1398.80 3.501 525
in D2O

KBr disc

nujol mull

Albizziin(1483-07-4) 13C NMR Atlas of Related Products
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