(S)-(-)-2-Pyrrolidinone-5-carboxylic acid

Supplier: BACHEM AMERICAS INC

Synonyms: (S)-(-)-2-Pyrrolidone-5-carboxylic acidL-Pyroglutamic Acid(S)-5-Oxopyrrolidine-2-carboxylic acidH-Pyr-OH

4026127.0100 4026127.0500
E-2340.0500BAEA 422.07 CAD
E-2340.0500BA E-2340.0100BA
(S)-(-)-2-Pyrrolidinone-5-carboxylic acid
(S)-(-)-2-Pyrrolidinone-5-carboxylic acid

Sequence: Pyr-OH


Also called 5-oxoproline or pidolic acid. Bachem uses the acronym Pyr for denoting pyroglutamic acid. Further abbreviations as Glp, Pgl, pGlu (pE), or < Glu (< E) are also in use.


A versatile chiral synthon. Panday et al. reviewed its use in asymmetric synthesis.

Formula: C₅H₇NO₃
MW: 129.1 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00005272
CAS Number: 98-79-3
EINECS: 202-700-3

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