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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:nonyl phenoxypolyethoxylethanol
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Accession:CHEBI:63016 term browser browse the term
Definition:Poly(ether) macoromolecule comprising a branched nonyl group bonded to one of the ring positions in 2-[phenoxypoly(ethoxy)]ethanol. A commericially available detergent, it is used to help crystallise proteins and extract the cytoplasmic contents of cellular culture.
Synonyms:related_synonym: Formula=(C2H4O)n.C15H24O;   NP40;   Nonylphenol Ethoxylate;   Polyethylene glycol mono(branched p-nonylphenyl) ether;   Tergitol NP40;   Tergitol-type NP-40;   branched alpha-(4-nonylphenyl)-omega-hydroxypoly(oxy-1,2-ethanediyl)
 xref: CAS:127087-87-0;   Wikipedia:NP-40

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Term Annotations click to browse term
  CHEBI ontology 19816
    role 19764
      application 19426
        detergent 2288
          nonyl phenoxypolyethoxylethanol 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19816
    subatomic particle 19814
      composite particle 19814
        hadron 19814
          baryon 19814
            nucleon 19814
              atomic nucleus 19814
                atom 19814
                  main group element atom 19702
                    p-block element atom 19702
                      carbon group element atom 19608
                        carbon atom 19597
                          organic molecular entity 19597
                            heteroorganic entity 19184
                              organochalcogen compound 18894
                                organooxygen compound 18816
                                  ether 16076
                                    poly(ether) macromolecule 0
                                      nonyl phenoxypolyethoxylethanol 0
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