PMG Aspergillus nidulans metabolite library v.01 (Last update 05/10/17)
Showing iCard for Pyroglutamic acid (2TMS) (PMG000016)
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Mass spectrum (Rel abundance vs m/z) |
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Peaks |
( 55 13) ( 58 21) ( 59 13) ( 66 8) ( 67 6) ( 70 7) ( 72 20) ( 73 387) ( 74 33) ( 75 43) ( 84 8) ( 85 8) ( 86 12) (112 10) (121 13) (133 18) (140 15) (141 6) (154 8) (156 1000) (157 136) (158 46) (214 8) (230 110) (231 24) (232 10) (258 122) (259 28) (260 11)
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Average Retention time (min) |
21.99
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Quant mass (Da) |
156
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Common Name |
Pyroglutamic acid
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Structure |
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Synonym(s) |
Pidolic acid; 5-Oxoproline; 5-Pyrrolidone-2-carboxylic acid; Pyroglutamate; 5-Oxo-L-proline; L-Pyroglutamic acid; L-5-Pyrrolidone-2-carboxylic acid
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KEGG ID |
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Golm Metabolome Database ID |
A153002
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PubChem CID |
7405
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CAS Registry Number |
98-79-3
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Biosynthetic pathway (KEGG) |
map00480 Glutathione metabolism
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Monoisotopic mass (Da) |
129.0426
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Average Molecular Mass (Da) |
129.1140
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Molecular Formula |
C5H7NO3
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Chemical group |
Amino acids
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Analyzer |
Agilent 6890 MS platform; 5973 series mass selective detector (MSD); 7683 autosampler
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Carrier gas |
Helium |
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Flow rate |
1 mL min-1
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Column |
HP-5MS, length; 30 m, i.d.; 0.25 mm, film thickness 0.25 μm, Agilent Technologies Inc.
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Ionization |
Electron Impact (EI), Positive
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Mass range |
50-800 Da
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Injector |
10:1 split mode; temperature of 230oC
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Oven temperature |
70oC stable 5 min; 5oC min-1 increase to 295oC; stable 2 min
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Curator(s): I. KALAMPOKIS, Dr KA ALIFERIS