Cytosine, [2-13C-1,3-15N2, 99 atom % 13C, 99 atom % 15N2]-

Cytosine-13C,15N2 is the 13C and 15N labeled Cytosine[1]. Cytosine is one of the four main bases found in DNA and RNA. Cytosine modifications exhibit circadian oscillations that are involved in epigenetic diversity and aging[2][3].

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[3] Oh G, et, al. Cytosine modifications exhibit circadian oscillations that are involved in epigenetic diversity and aging. Nat Commun. 2018 Feb 139(1):644. DOI:10.1038/s41467-018-03073-7
[4] Nucleotide Biosynthesis Process[J]. Definitions, 2020, 30 1. DOI: 10.32388/28chil
[5] ACHIM BREILING  Frank L. Epigenetic regulatory functions of DNA modifications: 5-methylcytosine and beyond.[J]. Epigenetics & Chromatin, 2015, 8: 24. DOI: 10.1186/s13072-015-0016-6