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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:25-hydroxyvitamin D2
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Accession:CHEBI:86319 term browser browse the term
Definition:A hydroxycalciol that is vitamin D2 in which the hydrogen at position 25 has been replaced by a hydroxy group.
Synonyms:exact_synonym: (3S,5Z,7E,22E)-9,10-secoergosta-5,7,10,22-tetraene-3,25-diol
 related_synonym: 25-Hydroxycalciferol;   25-hydroxyergocalciferol;   9,10-secoergosta-5,7,10(19),22-tetraene-3beta,25-diol;   Formula=C28H44O2;   InChI=1S/C28H44O2/c1-19-10-14-24(29)18-23(19)13-12-22-8-7-17-28(6)25(15-16-26(22)28)20(2)9-11-21(3)27(4,5)30/h9,11-13,20-21,24-26,29-30H,1,7-8,10,14-18H2,2-6H3/b11-9+,22-12+,23-13-/t20-,21+,24+,25-,26+,28-/m1/s1;   InChIKey=KJKIIUAXZGLUND-ICCVIKJNSA-N;   SMILES=C[C@H](\\C=C\\[C@H](C)C(C)(C)O)[C@H]1CC[C@H]2\\C(CCC[C@]12C)=C\\C=C1\\C[C@@H](O)CCC1=C;   ercalcidiol
 xref: CAS:21343-40-8;   HMDB:HMDB0001438;   LIPID_MAPS_instance:LMST03010030;   PMID:15465040;   PMID:25125396;   PMID:25211403;   PMID:25403087;   PMID:25575651;   PMID:25587834;   PMID:25729734;   PMID:25845705;   PMID:25967149;   PMID:26025465;   PMID:26054580;   PMID:26059899;   Reaxys:4716773

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19810
    role 19758
      application 19420
        pesticide 16432
          rodenticide 5932
            vitamin D2 81
              25-hydroxyvitamin D2 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19810
    subatomic particle 19808
      composite particle 19808
        hadron 19808
          baryon 19808
            nucleon 19808
              atomic nucleus 19808
                atom 19808
                  main group element atom 19696
                    p-block element atom 19696
                      carbon group element atom 19599
                        carbon atom 19588
                          organic molecular entity 19588
                            organic molecule 19514
                              organic cyclic compound 19311
                                organic polycyclic compound 16393
                                  steroid 12793
                                    hydroxy steroid 12375
                                      hydroxy seco-steroid 2662
                                        vitamin D 2657
                                          D3 vitamins 2609
                                            calciol 2609
                                              hydroxycalciol 2468
                                                25-hydroxyvitamin D2 0
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