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CHEBI:139326 - methoxypoly(ethylene glycol)-maleimide

ChEBI IDCHEBI:139326
ChEBI Namemethoxypoly(ethylene glycol)-maleimide
Stars
DefinitionA poly(ethylene glycol) derivative that is methoxypoly(ethylene glycol) in which the terminal hydroxy group has been converted to the corresponding 2-maleimidoethyl ether. Used particularly for the mPEGylation of free thiol groups in cysteine residues of proteins.
Last Modified19 December 2017
SubmitterGareth Owen
DownloadsMolfile
Formula(C2H4O)n.C5H5NO2
Net Charge0
Average Mass155.153
Monoisotopic Mass155.05824
SMILESCOCCN1C(=O)C=CC1=O
InChIInChI=1S/C7H9NO3/c1-11-5-4-8-6(9)2-3-7(8)10/h2-3H,4-5H2,1H3
InChIKeyASUGWWOMVNVWAW-UHFFFAOYSA-N
Roles Classification
Application:
reagent  A substance used in a chemical reaction to detect, measure, examine, or produce other substances.
ChEBI Ontology
Outgoing Relation(s)
methoxypoly(ethylene glycol)-maleimide (CHEBI:139326) has role reagent (CHEBI:33893)
methoxypoly(ethylene glycol)-maleimide (CHEBI:139326) is a maleimides (CHEBI:55417)
methoxypoly(ethylene glycol)-maleimide (CHEBI:139326) is a poly(ethylene glycol) derivative (CHEBI:139322)
IUPAC Name 
α-methyl-ω-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)poly(oxyethylene)
Synonyms  Source
mPEG-MALChEBI
mPEG-maleimideChEBI
mono-methyl poly(ethylene glycol) 2-maleimidoethyl etherChEBI
monomethoxypoly(ethylene glycol)-maleimideChEBI
methoxy-polyethylene glycol maleimideChEBI
Registry NumbersSources
Reaxys:15366089Reaxys
CAS:99126-64-4ChEBI
Citations