{"id":48004,"date":"2024-04-24T15:13:12","date_gmt":"2024-04-24T07:13:12","guid":{"rendered":"http:\/\/www.newtopchem.com\/archives\/48004"},"modified":"2024-04-24T15:13:12","modified_gmt":"2024-04-24T07:13:12","slug":"cytosine","status":"publish","type":"post","link":"http:\/\/www.newtopchem.com\/archives\/48004","title":{"rendered":"Cytosine","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-48003\" src=\"http:\/\/www.newtopchem.com\/wp-content\/uploads\/2024\/04\/22045a67f4e846bea6ad879a3649546c.gif\" width=\"198\" height=\"227\" alt=\"Cytosine structural formula\" \/><\/p>\n<p>Structural formula<\/p>\n<table class=\"summary-table table table-striped table-bordered\">\n<col width=\"90\" \/>\n<tbody>\n<tr>\n<th scope=\"row\">Business number<\/th>\n<td>01GE<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular formula<\/th>\n<td>C4H5N3O<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular weight<\/th>\n<td>111.1<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">label<\/th>\n<td>\n<p>                         4-amino-2-hydroxypyrimidine,<\/p>\n<p>                         4-Amino-2(1H)pyrimidinone,<\/p>\n<p>                         cytidine,<\/p>\n<p>                         Cytoline,<\/p>\n<p>                         cytosine,<\/p>\n<p>                         Oxycytosine<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul class=\"nav nav-tabs\">\n<li class=\"active\"><a href=\"#bh\">Numbering system<\/a><\/li>\n<li><a href=\"#wx\">Physical property data<\/a><\/li>\n<li><a href=\"#dl\">Toxicological data<\/a><\/li>\n<li><a href=\"#st\">Ecological data<\/a><\/li>\n<li><a href=\"#fz\">Molecular structure data<\/a><\/li>\n<li><a href=\"#js\">Computing chemical data<\/a><\/li>\n<li class=\"dropdown pull-right\">\n                     <a href=\"\" class=\"dropdown-toggle\">More <span class=\"caret\"><\/span><\/a><\/p>\n<ul class=\"dropdown-menu\" role=\"menu\">\n<li><a href=\"#xz\">Properties and Stability<\/a><\/li>\n<li><a href=\"#zc\">Storage method<\/a><\/li>\n<li><a href=\"#hc\">Synthesis method<\/a><\/li>\n<li><a href=\"#yt\">Purpose<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 id=\"bh\">Numbering system<\/h2>\n<p><b>CAS number:<\/b>71-30-7<\/p>\n<p><b>MDL number:<\/b>MFCD00006034<\/p>\n<p><b>EINECS number:<\/b>200-749-5<\/p>\n<p><b>RTECS number:<\/b>UW7350150<\/p>\n<p><b>BRN number:<\/b>2637<\/p>\n<p><b>PubChem ID:<\/b>None<\/p>\n<h2 id=\"wx\">Physical property data<\/h2>\n<p>\n     1. Properties: White flaky crystals.  2. Density (g\/mL, 25\/4\u2103): 0.48<\/p>\n<p>3. Relative vapor density (g\/mL, air=1): Uncertain<\/p>\n<p>4. Melting point (\u00baC):&gt;  300<\/p>\n<p>5. Boiling point (\u00baC, normal pressure): Uncertain<\/p>\n<p>6. Boiling point (\u00baC, 5.2kPa): Uncertain<\/p>\n<p>7. Refractive index  : Uncertain<\/p>\n<p>8. Flash point (\u00baC): Uncertain<\/p>\n<p>9. Specific rotation (\u00ba): Uncertain<\/p>\n<p>10. Autoignition point or  Ignition temperature (\u00baC): Uncertain<\/p>\n<p>11. Vapor pressure (kPa, 25\u00baC): Uncertain<\/p>\n<p>12. Saturated vapor pressure (kPa, 60\u00baC): Uncertain<\/p>\n<p>  p&gt;<\/p>\n<p>13. Heat of combustion (KJ\/mol): Uncertain<\/p>\n<p>14. Critical temperature (\u00baC): Uncertain<\/p>\n<p>15. Critical pressure (KPa): Uncertain  Determine<\/p>\n<p>16. The logarithmic value of the oil-water (octanol\/water) partition coefficient: Uncertain<\/p>\n<p>17. The upper limit of explosion (%, V\/V): Uncertain<\/p>\n<p>18. Lower explosion limit (%, V\/V): Uncertain<\/p>\n<p>19. Solubility: 100ml water dissolves 0.77g at 20\u00b0C.  Slightly soluble in ethanol, insoluble in ether<\/p>\n<\/p>\n<h2 id=\"dl\">Toxicological data<\/h2>\n<p>\n     Acute toxicity: mouse abdominal LD50: &gt;2222 mg\/kg;\n     <\/p>\n<h2 id=\"st\">Ecological data<\/h2>\n<p>\n     None\n     <\/p>\n<h2 id=\"fz\">Molecular structure data<\/h2>\n<p><p>1. Molar refractive index: 27.30<\/p>\n<p>2. Molar volume (cm<sup>3<\/sup>\/mol): 71.5<\/p>\n<p>3. Isotonic specific volume (90.2K  ): 206.3<\/p>\n<p>4. Surface tension (dyne\/cm): 69.2<\/p>\n<p>5. Polarizability (10-24cm3): 10.82<\/p>\n<\/p>\n<h2 id=\"js\">Compute chemical data<\/h2>\n<p><p>1. Reference value for hydrophobic parameter calculation (XlogP): None<\/P><\/p>\n<p>2. Number of hydrogen bond donors: 2<\/p>\n<p>3. Number of hydrogen bond acceptors: 2<\/p>\n<p>4. Number of rotatable chemical bonds: 0<\/p>\n<p>5. Number of tautomers: 9<\/p>\n<p>6. Topological molecule polar surface area 67.5<\/p>\n<p>7. Number of heavy atoms: 8<\/p>\n<p>8. Surface charge: 0<\/p>\n<p>9. Complexity: 170<\/p>\n<p>10. Number of isotope atoms: 0<\/p>\n<p>11. Number of determined atomic stereocenters: 0<\/p>\n<p>12. Number of uncertain atomic stereocenters: 0<\/p>\n<p>13. Determine the number of stereocenters of chemical bonds: 0<\/p>\n<p>14. Uncertain number of stereocenters of chemical bonds: 0<\/p>\n<p>15. Number of covalent bond units: 1<\/p>\n<\/p>\n<h2 id=\"xz\">Properties and stability<\/h2>\n<p>\n     None\n     <\/p>\n<h2 id=\"zc\">Storage method<\/h2>\n<p><p> This product should be stored in a sealed, cool, dry and dark place.  <\/p>\n<\/p>\n<h2 id=\"hc\">Synthesis method<\/h2>\n<p><p>It can be synthesized from dimercaptouracil, concentrated ammonia and chloroacetic acid as raw materials.  <\/p>\n<\/p>\n<h2 id=\"yt\">Purpose<\/h2>\n<p><p>For biochemical research.  Both cytosine nucleoside and cytosine nucleotide can be used as drugs to increase white blood cells.  <\/p>\n<\/p>\n<p>     extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/26.jpg<\/br>extended-reading:https:\/\/www.bdmaee.net\/methyltin-maleate\/<\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/category\/products\/page\/92<\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39742<\/br>br&gt;extended-reading:https:\/\/www.newtopchem.com\/archives\/40556<\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/stannous-octoate-dabco-t-9-kosmos-29\/<\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/979<\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44166<\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2020\/06\/67.jpg<\/br>extended-reading:https:\/\/www.bdmaee.net\/butylstannic-acid\/<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Structural formula Business number 01GE Molecular formu&#8230;<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":48003,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[4976],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/48004"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=48004"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/48004\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/48003"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=48004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=48004"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=48004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}