| Identification | ||
| Name | DL-Pyroglutamic acid | |
| Synonyms | DL-2-Pyrrolidone-5-carboxylic acid; DL-5-Oxo-2-pyrrolidinecarboxylic acid | |
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| Molecular Structure |
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| Molecular Formula | C5H7NO3 | |
| Molecular Weight | 129.11 | |
| CAS Registry Number | 149-87-1 | |
| EINECS | 205-748-3 | |
| Properties | ||
| Melting point | 180-185 ºC | |
| Water solubility | 5.67 g/100 mL (20 ºC) | |