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Reference substances

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Reference substance information

IUPAC name:
sodium (2S)-5-oxopyrrolidine-2-carboxylate
Synonyms
Names:
5-oxo-L-proline monosodium salt
Pyroglutamic acid, sodium salt
Sodium 5-oxo-L-prolinate
Sodium PCA

CAS information

CAS number:
28874-51-3

Molecular and structural information

Molecular formula:
C5H6NO3. Na
Molecular weight:
151.1
SMILES notation:
[Na+].[O-]C(=O)[C@@H]1CCC(=O)N1
InChl:
InChI=1/C5H7NO3.Na/c7-4-2-1-3(6-4)5(8)9;/h3H,1-2H2,(H,6,7)(H,8,9);/q;+1/p-1
Structural formula:
Chemical structure