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L-Pyroglutamic acid [98-79-3]

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Identification
Name L-Pyroglutamic acid
Synonyms 5-Oxoproline; 5-Oxopyrrolidine-2-carboxylic acid; L-5-Pyrrolidone-2-carboxylic acid; (S)-(-)-2-Pyrrolidone-5-carboxylic acid
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Molecular Structure CAS # 98-79-3, L-Pyroglutamic acid, 5-Oxoproline, 5-Oxopyrrolidine-2-carboxylic acid, L-5-Pyrrolidone-2-carboxylic acid, (S)-(-)-2-Pyrrolidone-5-carboxylic acid
Molecular Formula C5H7NO3
Molecular Weight 129.11
CAS Registry Number 98-79-3
EINECS 202-700-3
 
Properties
Melting point 152-162 ºC
alpha -27.5 º (c=10, 1 N NaOH)
Water solubility 10-15 g/100 mL (20 ºC)
 
Safety Data
Hazard Symbols symbol   Xi    Details
Risk Codes R36/37/38    Details
Safety Description S26;S36    Details
MSDS Available
 
Market Analysis Reports
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