Isocytosine
From Wikipedia, the free encyclopedia
| Isocytosine | |
|---|---|
| IUPAC name | 2-Amino-3H-pyrimidin-4-one |
| Other names | 2-Aminouracil |
| Identifiers | |
| CAS number | [108-53-2] |
| PubChem | |
| SMILES | C1=CN=C(NC1=O)N |
| Properties | |
| Molecular formula | C4H5N3O |
| Molar mass | 111.102 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Isocytosine or 2-aminouracil is a pyrimidine base that is an isomer of cytosine. It is used in combination with isoguanine in studies of unnatural nucleic acid analogues of the normal base pairs in DNA.

