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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:tritiated thymidine
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Accession:CHEBI:53526 term browser browse the term
Definition:Thymidine linked to the radioisotope tritium. Used to label DNA in the study of cellular and viral DNA synthesis.
Synonyms:related_synonym: (3)HTdR;   (3H)Thymidine;   Thymidine-(H-3);   tritiated thymidines
 xref: CAS:50-88-4

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19770
    chemical entity 19769
      molecular entity 19767
        isotopically modified compound 1
          tritiated compound 0
            tritiated thymidine 0
              alpha-tritiated thymidine 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 19655
                    p-block element atom 19655
                      carbon group element atom 19550
                        carbon atom 19539
                          organic molecular entity 19539
                            heteroorganic entity 19142
                              organochalcogen compound 18851
                                organooxygen compound 18772
                                  carbohydrates and carbohydrate derivatives 12172
                                    carbohydrate 12172
                                      carbohydrate derivative 11794
                                        glycosyl compound 10835
                                          N-glycosyl compound 5320
                                            nucleoside 5183
                                              deoxyribonucleoside 2711
                                                2'-deoxyribonucleoside 2195
                                                  pyrimidine 2'-deoxyribonucleoside 334
                                                    thymidine 23
                                                      tritiated thymidine 0
                                                        alpha-tritiated thymidine 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.