| Identification | ||
| Name | D-Pyroglutamic acid | |
| Synonyms | 5-Oxo-D-proline; D-5-Pyrrolidone-2-carboxylic acid; (R)-(+)-2-Pyrrolidone-5-carboxylic acid | |
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| Molecular Structure |
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| Molecular Formula | C5H7NO3 | |
| Molecular Weight | 129.11 | |
| CAS Registry Number | 4042-36-8 | |
| EINECS | 223-735-0 | |
| Properties | ||
| Melting point | 155-162 ºC | |
| alpha | 27.5 º (c=10,1N NaOH) | |
| Water solubility | soluble | |