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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.

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Accession:CHEBI:43907 term browser browse the term
Definition:An alkene that is prop-1-ene substituted by a methyl group at position 2.
Synonyms:related_synonym: 1,1-Dimethylethylene;   2-Methylpropylene;   Formula=C4H8;   InChI=1S/C4H8/c1-4(2)3/h1H2,2-3H3;   InChIKey=VQTUBCCKSQIDNK-UHFFFAOYSA-N;   Isobutene;   Isobutylene;   Isopropylidenemethylene;   SMILES=CC(C)=C
 xref: CAS:115-11-7;   PDBeChem:MEB;   PMID:22447372;   PMID:23069604;   PMID:23790119;   Reaxys:773645;   Wikipedia:Isobutylene

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19775
    chemical entity 19775
      molecular entity 19774
        main group molecular entity 19665
          gas molecular entity 17766
            2-methylprop-1-ene 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19775
    subatomic particle 19774
      composite particle 19774
        hadron 19774
          baryon 19774
            nucleon 19774
              atomic nucleus 19774
                atom 19774
                  main group element atom 19665
                    main group molecular entity 19665
                      s-block molecular entity 19432
                        hydrogen molecular entity 19427
                          hydrides 18757
                            organic hydride 18361
                              organic fundamental parent 18361
                                hydrocarbon 18073
                                  olefin 5477
                                    acyclic olefin 5449
                                      alkene 4008
                                        2-methylprop-1-ene 0
paths to the root