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83173 Sigma-Aldrich

D-Pyroglutamic acid ethyl ester

puriss., ≥99.0% (sum of enantiomers, HPLC)

Synonym: (R)-5-Oxoproline ethyl ester, D-5-Oxo-2-pyrrolidinecarboxylic acid ethyl ester

  • CAS Number 68766-96-1

  • Empirical Formula (Hill Notation) C7H11NO3

  • Molecular Weight 157.17

  •  Beilstein Registry Number 82622

  •  MDL number MFCD00010848

  •  PubChem Substance ID 329769279

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Properties

Related Categories Chemical Biology, Chemical Synthesis, Peptide Chemistry, Pyroglutamine Derivatives, Unnatural Amino Acids & Derivatives More...
InChI Key   QYJOOVQLTTVTJY-RXMQYKEDSA-N
grade   puriss.
assay   ≥99.0% (sum of enantiomers, HPLC)
optical activity   [α]20/D −4.0±1.0°, c = 10% in ethanol
optical purity   enantiomeric ratio: ≥99:1 (GC)
mp   53-57 °C

Description

Other Notes

This ester of pyroglutamic acid can be transformed in many ways, e.g. N-alkylation; Thionation of the lactam; Preparation of the aldehyde; Reduction to the hydroxymethyl compound

Same product — same quality — now Sigma-Aldrich brand

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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
Flash Point(F) 
>235.4 °F
Flash Point(C) 
>113 °C

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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309788 Ethyl (R)-(−)-2-pyrrolidone-5-carboxylate, 98%

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