Hsl

[1. the cyclic ester (the ΄-lactone) of homoserine; formed by the reaction of cyanogen bromide on methionyl residues in peptides and proteins.

Molecular Formula: C₄H₇NO₂

InChI: InChI=1/C4H7NO2/c5-3-1-2-7-4(3)6/h3H,1-2,5H2

InChIKey: InChIKey=QJPWUUJVYOJNMH-UHFFFAOYAY
SMILES: NC1CCOC1=O

CAS number 1192-20-7

Names:
    Alpha-amino-gamma-butyrolactone
    homoserine lactone
    Hsl
    α-amino-γ-butyrolactone
    2-Aminobutan-4-olide
    2-aminobutan-4-olide
    2-Aminobutan-4-olide
    3-Aminodihydro-2(3H)-furanone
    3-aminooxolan-2-one

Registries:
    PubChem CID 73509
    Beilstein =80584
    CAS 1192-20-7 (from NIST)
    ChEBI 17289
    Kegg C02926
    PubChem ID 10329866
    PubChem ID 5848