Items Standard Analysis data
Specific Rotation [20/D]
(c=1 in Acetic acid) -11.0 to ±1.5º -12.0º
IR Spectrum In accordance with structure Conforms
Related Substance (TLC) One spot Conforms
Melting Point (℃) 43 to 47 ℃ 45℃
Loss on Drying Not more than 0.50% 0.35%
Purity (PHLC) Not less than 98.0% 99.1%
BOC-L-Pyroglutamic acid ethyl ester
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