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L-pyroglutamic acid
Molecular formula: C5H7NO3
molecular weight: 129.12

melting point: 162 to 163 ° C
characters: from the mixture of ethanol and petroleum ether, a colorless precipitation of the two vertebral orthorhombic crystal.
solution: not soluble in ether, ethyl acetate - soluble and insoluble in water (25 ° C 40), ethanol, acetic acid and acetone.
Note: -11.9 degrees than polarimetry (c = 2, water).

Notice:Each item can have many explanations from different angels. If you want grasp the item comprehensively,please see below "more details data".
Please see below "More Detailed Data"
More Detailed Data:
1) L-Pyroglutamic acid;5-oxo-L-Proline;(-)-2-pyrrolidone-5-carboxylic acid;(-)-pyroglutamic acid;(5s)-2-oxopyrrolidine-5-carboxylic acid;(s)-2-pyrrolidone-5-carboxylic acid;2-benzothiazolesulfenic acid morpholide;2-pyrrolidinone-5-carboxylic acid;5-carboxy-2-pyrrolidinone;5-oxoproline
2) 5-Oxoproline;5-Oxopyrrolidine-2-carboxylic acid;L-5-Pyrrolidone-2-carboxylic acid;(S)-(-)-2-Pyrrolidone-5-carboxylic acid;L-Pyroglutamic acid
3) L-Pyronglutamic acid;L-2-Pyrrolidone-5-carboxylic acid;5-Oxoproline;L-Glutiminoic acid;Glutamic acid lactone;L-5-Oxo-2-pyrrolidine carboxylic acid
4) DL-Pyroglutamic Acid
5) DL-2-Pyrrolidinone-5-carboxylic acid;dl-2-pyrrolidone-5-carboxylic acid;DL-Pyroglutamic acid;DL-5-oxo-2-pyrrolidine carboxylic acid
6) pyroglutamic acid;pGlu;pyroglu
7) pyroglutamic acid;pGlu;pyroglu
8) L-Glutamic Acid;2-Aminopentanedioic Acid;Glutamic Acid
9) glutamic acid
10) glutamic acid;Glu;E
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