{"id":49630,"date":"2024-06-07T17:06:21","date_gmt":"2024-06-07T09:06:21","guid":{"rendered":"http:\/\/www.newtopchem.com\/archives\/49630"},"modified":"2024-06-07T17:06:21","modified_gmt":"2024-06-07T09:06:21","slug":"ergosterol","status":"publish","type":"post","link":"http:\/\/www.newtopchem.com\/archives\/49630","title":{"rendered":"Ergosterol","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-49629\" src=\"http:\/\/www.newtopchem.com\/wp-content\/uploads\/2024\/06\/5af361b7146e448da022926a1ba7b245.gif\" width=\"459\" height=\"227\" alt=\"Ergosterol 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>0192<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular formula<\/th>\n<td>C28H44O<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular weight<\/th>\n<td>396.65<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">label<\/th>\n<td>\n<p>                         (3\u03b2)-Ergot-5,7,22-trienol-3-ol,<\/p>\n<p>                         Ergosterol,<\/p>\n<p>                         3\u03b2-Hydroxy-5,7,22-ergostatriene, 5,7,22-Ergostatrien-3\u03b2-ol,<\/p>\n<p>                          Provitamin D2,<\/p>\n<p>                          Ergosterin,<\/p>\n<p>                         (3\u03b2,22E)-Ergosta-5,7,22-trien-3-ol,<\/p>\n<p>                         alcohol solvent<\/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>57-87-4<\/p>\n<p><b>MDL number:<\/b>MFCD00003623<\/p>\n<p><b>EINECS number:<\/b>200-352-7<\/p>\n<p><b>RTECS number:<\/b>None<\/p>\n<p><b>BRN number:<\/b>2338604<\/p>\n<p><b>PubChem number:<\/b>24894628<\/p>\n<h2 id=\"wx\">Physical property data<\/h2>\n<p><p>1. Character: white flake or needle crystal.  It is easily oxidized to yellow when exposed to sunlight and air.  <\/p>\n<p>2. Density (g\/mL, 25\/4\u2103): 1.04<\/p>\n<p>3. Relative vapor density (g\/mL, air=1): Undetermined<\/p>\n<p>4. Melting point (\u00baC): 170<\/p>\n<p>5. Boiling point (\u00baC, normal pressure): 250 (1.33pa)<\/p>\n<p>6. Boiling point (\u00baC, 1.33Pa):  250<\/p>\n<p>7. Refractive index: Undetermined<\/p>\n<p>8. Flash point (\u00baC): 216.3<\/p>\n<p>9. Specific rotation (\u00ba): [\u03b1]  D20 -135\u00b0 (C=1.2, in chloroform)<\/p>\n<p>10. Autoignition point or ignition temperature (\u00baC): Undetermined<\/p>\n<p>11. Vapor pressure (kPa, 25\u00baC):  Undetermined<\/p>\n<p>12. Saturated vapor pressure (kPa, 60\u00baC): Undetermined<\/p>\n<p>13. Heat of combustion (KJ\/mol): Undetermined<\/p>\n<p>14.  Critical temperature (\u00baC): Undetermined<\/p>\n<p>15. Critical pressure (KPa): Undetermined<\/p>\n<p>16. Log value of oil-water (octanol\/water) partition coefficient: Undetermined<\/p>\n<p>17. Explosion upper limit (%, V\/V): Undetermined<\/p>\n<p>18. Explosion lower limit (%, V\/V): Undetermined<\/p>\n<p>19.  Solubility: 1g of product is soluble in 660ml cold ethanol, 45ml boiling ethanol, 70ml cold ether, 39ml boiling ether, 31ml chloroform, and is almost insoluble in water.  Can be precipitated by digitonin.  <\/p>\n<\/p>\n<h2 id=\"dl\">Toxicological data<\/h2>\n<p>\n     None\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: 124.19<\/p>\n<p>2. Molar volume (cm<sup>3<\/sup>\/mol): 394.0<\/p>\n<p>3. Isotonic specific volume (90.2K  ): 984.4<\/p>\n<p>4. Surface tension (dyne\/cm): 38.9<\/p>\n<p>5. Polarizability (10<sup>-24<\/sup>cm<sup>3<\/sup>): 49.23<\/p>\n<\/p>\n<h2 id=\"js\">CalculateChemical data<\/h2>\n<p><p>1. Reference value for calculation of hydrophobic parameters (XlogP): 7.4<\/p>\n<p>2. Number of hydrogen bond donors: 1<\/p>\n<p>3. Number of hydrogen bond acceptors: 1<\/p>\n<p>  p&gt;<\/p>\n<p>4. Number of rotatable chemical bonds: 4<\/p>\n<p>5. Number of tautomers:<\/p>\n<p>6. Topological molecular polar surface area (TPSA): 20.2<\/p>\n<p>  p&gt;<\/p>\n<p>7. Number of heavy atoms: 29<\/p>\n<p>8. Surface charge: 0<\/p>\n<p>9. Complexity: 712<\/p>\n<p>10. Number of isotope atoms  : 0<\/p>\n<p>11. Determine the number of atomic stereocenters: 8<\/p>\n<p>12. Uncertain number of atomic stereocenters: 0<\/p>\n<p>13. Determine the chemical bond configuration  Number of centers: 1<\/p>\n<p>14. Number of uncertain chemical bond stereocenters: 0<\/p>\n<p>15. Number of covalent bond units: 1<\/p>\n<\/p>\n<h2 id=\"xz\">Properties and stability<\/h2>\n<p><p>1. Exist in tobacco leaves and smoke.  <\/p>\n<p>2. It is the most important phytosterol. When exposed to ultraviolet rays, one of the four carbon rings of the molecule breaks and becomes vitamin D2, which is the raw material for producing vitamin D2.  <\/p>\n<p>3. Found in yeast and some plants.  <\/p>\n<\/p>\n<h2 id=\"zc\">Storage method<\/h2>\n<p><p>This product should be sealed and stored in a cool, dark place at a storage temperature of 4\u00baC<\/p>\n<\/p>\n<h2 id=\"hc\">Synthesis method<\/h2>\n<p><p>1. Extracted from yeast that synthesizes this product from glucose.  <\/p>\n<p>2. Tobacco: 1.  <\/p>\n<\/p>\n<h2 id=\"yt\">Purpose<\/h2>\n<p>\n     For biochemical research.  It has the effect of vitamin D<sub>2<\/sub>.\n     <\/p>\n<p>     extended-reading:<a href=\"https:\/\/www.cyclohexylamine.net\/polyurethane-catalyst-pc41-hard-foam-catalyst-pc41\/\">https:\/\/www.cyclohexylamine.net\/polyurethane-catalyst-pc41-hard-foam-catalyst-pc41\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/toyocat-daem-catalyst-tosoh\/\">https:\/\/www.bdmaee.net\/toyocat-daem-catalyst-tosoh\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/134.jpg\">https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/134.jpg<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/90\">https:\/\/www.newtopchem.com\/archives\/90<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/94\">https:\/\/www.newtopchem.com\/archives\/94<\/a><\/br>extended-reading:<a href=\"https:\/\/www.cyclohexylamine.net\/catalyst-c-225-polyurethane-retardation-catalyst-c-225\/\">https:\/\/www.cyclohexylamine.net\/catalyst-c-225-polyurethane-retardation-catalyst-c-225\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.cyclohexylamine.net\/nn-dicyclohexylmethylamine-2\/\">https:\/\/www.cyclohexylamine.net\/nn-dicyclohexylmethylamine-2\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/44579\">https:\/\/www.newtopchem.com\/archives\/44579<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/fomrez-sul-11a-catalyst-momentive\/\">https:\/\/www.bdmaee.net\/fomrez-sul-11a-catalyst-momentive\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/pc-cat-dmp-catalyst-14-dimethylpiperazine-nitro\/\">https:\/\/www.bdmaee.net\/pc-cat-dmp-catalyst-14-dimethylpiperazine-nitro\/<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Structural formula Business number 0192 Molecular formu&#8230;<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49629,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[11156],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49630"}],"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=49630"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49630\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49629"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49630"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}