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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:138631 term browser browse the term
Definition:A long-chain fatty aldehyde that is heptadecane carrying an oxo substituent at position 1. It is found in citrus.
Synonyms:related_synonym: 1-heptadecanal;   Formula=C17H34O;   InChI=1S/C17H34O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18/h17H,2-16H2,1H3;   InChIKey=PIYDVAYKYBWPPY-UHFFFAOYSA-N;   SMILES=C(CCCCCCCCCCC(=O)[H])CCCCC;   heptadecan-1-al;   hexadecyl aldehyde;   margaraldehyde;   n-heptadecanal
 xref: CAS:629-90-3;   HMDB:HMDB0031039;   KNApSAcK:C00042579;   LIPID_MAPS_instance:LMFA06000097;   MetaCyc:CPD-14719;   PMID:18634791;   PMID:19916514;   PMID:24254711;   PMID:25619114;   Reaxys:1707800

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19770
    role 19720
      biological role 19720
        biochemical role 19310
          metabolite 19292
            marine metabolite 5170
              coral metabolite 0
                heptadecanal 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19770
    subatomic particle 19768
      composite particle 19768
        hadron 19768
          baryon 19768
            nucleon 19768
              atomic nucleus 19768
                atom 19768
                  main group element atom 19662
                    p-block element atom 19662
                      carbon group element atom 19580
                        carbon atom 19571
                          organic molecular entity 19571
                            organic group 18602
                              organic divalent group 18593
                                organodiyl group 18593
                                  carbonyl group 18506
                                    carbonyl compound 18506
                                      carboxylic acid 18158
                                        carboacyl group 17412
                                          univalent carboacyl group 17412
                                            formyl group 8791
                                              aldehyde 8791
                                                aliphatic aldehyde 2138
                                                  fatty aldehyde 2127
                                                    saturated fatty aldehyde 1423
                                                      heptadecanal 0
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