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Methyl L-Pyroglutamate
（CAS Number：4931-66-2）

Structure

Methyl L-Pyroglutamate
Synonym Methyl (S)-5-Oxopyrrolidine-2-carboxylate
Synonym (S)-5-Oxopyrrolidine-2-carboxylic Acid Methyl Ester
Synonym L-Pyroglutamic Acid Methyl Ester

General Information

Product Number M2198

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Purity/Analysis Method >97.0%(GC)
Storage Temperature
M.F. / M.W. C6H9NO3=143.14
CAS Number 4931-66-2
Related CAS Number
MDL Number MFCD00080931
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Specification

Purity(GC) min. 97.0 %
Specific gravity (20/20) 1.2480 to 1.2520
Refractive index n20/D 1.4840 to 1.4880
Specific rotation [a]20/D +9.0 to +12.0 deg(C=1, ethanol)

Data of Reference

bp 135°C(Lit.)

References

Reaxys-RN 81951

Transport Information

HS Number 2933.99.9700

Application

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