CAS 96022-82-1: 1H-Pyrrolo[2,3-d]pyrimidine-2,4(3H,7H)-dione,7-(2-deoxy-b-D-erythro-pentofuranosyl)-

7-Deaza-2'-deoxyxanthosine is an oligodeoxynucleotide that is a substrate for the enzyme dUTPase. The allyl group on 7-deaza-2'-deoxyxanthosine is used to attach it to the 3' end of DNA, where it acts as a competitive inhibitor of RNA synthesis. The ethyl group at the end of the molecule is used to attach it to the 5' end of DNA, where it inhibits transcription and replication by binding with RNA polymerase. 7-Deaza-2'-deoxyxanthosine has been shown to be effective in preventing stenosis following coronary bypass surgery, as well as in treating heart disease by reducing levels of xanthosine.