Sitosina
| Nama | |
|---|---|
| Nama IUPAC
4-aminopirimidin-2(1H)-ona
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| Nama lain
4-amino-1H-pirimidin-2-ona
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| Pengecam | |
Imej model 3D Jmol
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| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.000.681 |
| KEGG | |
| MeSH | Cytosine |
PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Sifat | |
| C4H5N3O | |
| Jisim molar | 111.10 g/mol |
| Ketumpatan | 1.55 g/cm3 (Dikira) |
| Takat lebur | 320 hingga 325 °C (608 hingga 617 °F; 593 hingga 598 K) (Terurai) |
| Keasidan (pKa) | 4.45 (sekunder), 12.2 (primer)[1] |
| -55.8·10−6 cm3/mol | |
Kecuali jika dinyatakan sebaliknya, data diberikan untuk bahan-bahan dalam keadaan piawainya (pada 25 °C [77 °F], 100 kPa). | |
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| Rujukan kotak info | |
Sitosina (C) merupakan salah satu daripada bes nitrogen dalam DNA dan RNA bersama adenina, guanina dan timina serta urasil dalam RNA. Sebatian ini merupakan sebuah terbitan pirimidina dan membentuk ikatan hidrogen dengan guanina dalam pembentukan pasangan bes.
Rujukan
- ^ Dawson, R.M.C.; dll. (1959). Data for Biochemical Research. Oxford: Clarendon Press.
Pautan luar
Kategori berkaitan Cytosine di Wikimedia Commons
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