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	<title> &#187; 四氢可的松</title>
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		<title>四氢可的松</title>
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		<pubDate>Tue, 11 Jun 2024 03:08:23 +0000</pubDate>
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		<description><![CDATA[结构式 物竞编号 015u 分子式 c21h32o5 分子量 364.48 标签 tetrahydro e, tetrahydrocompound e, urocortisone, the, 3.alpha.,17,21-trihydroxy-5-.beta.-pregnane-11,20-dione 编号系统 物性数 ...]]></description>
				<content:encoded><![CDATA[<p>    						<img src="http://staticv5.basechem.org/img/tupu/old/d7ee243b005d41c7b030d0049cf5a52d.gif" alt="四氢可的松结构式"></p>
<p>结构式</p>
<table class="summary-table table table-striped table-bordered">
<col width="90" />
<tbody>
<tr>
<th scope="row">物竞编号</th>
<td>015u</td>
</tr>
<tr>
<th scope="row">分子式</th>
<td>c21h32o5</td>
</tr>
<tr>
<th scope="row">分子量</th>
<td>364.48</td>
</tr>
<tr>
<th scope="row">标签</th>
<td>
<p>                        tetrahydro e,</p>
<p>                        tetrahydrocompound e,</p>
<p>                        urocortisone,</p>
<p>                        the,</p>
<p>                        3.alpha.,17,21-trihydroxy-5-.beta.-pregnane-11,20-dione</p>
</td>
</tr>
</tbody>
</table>
<ul class="nav nav-tabs">
<li class="active"><a href="#bh">编号系统</a></li>
<li><a href="#wx">物性数据</a></li>
<li><a href="#dl">毒理学数据</a></li>
<li><a href="#st">生态学数据</a></li>
<li><a href="#fz">分子结构数据</a></li>
<li><a href="#js">计算化学数据</a></li>
<li class="dropn pull-right">
                    <a href="" class="dropn-toggle">更多 <span class="caret"></span></a></p>
<ul class="dropn-menu" role="menu">
<li><a href="#xz">性质与稳定性</a></li>
<li><a href="#zc">贮存方法</a></li>
<li><a href="#hc">合成方法</a></li>
<li><a href="#yt">用途</a></li>
</ul>
</li>
</ul>
<h2 id="bh">编号系统</h2>
<p><b>cas号：</b>53-05-4</p>
<p><b>mdl号：</b>暂无</p>
<p><b>einecs号：</b>暂无</p>
<p><b>rtecs号：</b>暂无</p>
<p><b>brn号：</b>暂无</p>
<p><b>pubchem号：</b>暂无</p>
<h2 id="wx">物性数据</h2>
<p><p class="msonormal" align="left"><span lang="en-us"><span>1.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>性状：</span><span>结晶。</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>2.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>密度（</span><span lang="en-us">g/ml,25/4</span><span>℃</span><span>）：</span><span> </span><span>未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>3.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>相对蒸汽密度（</span><span lang="en-us">g/ml,</span><span>空气</span><span lang="en-us">=1</span><span>）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>4.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>熔点（</span><span lang="en-us">ºc</span><span>）：</span><span> </span><span lang="en-us">190</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>5.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>沸点（</span><span lang="en-us">ºc,</span><span>常压）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>6.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>沸点（</span><span lang="en-us">ºc,5.2kpa</span><span>）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>7.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>折射率：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>8.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>闪点（</span><span lang="en-us">ºc</span><span>）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>9.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>比旋光度（</span><span lang="en-us">º</span><span>）：</span><span lang="en-us">[α]<sub>d</sub><sup>25 </sup>+85.5°</span><span>（无水乙醇中）。</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>10.<span>&nbsp;&nbsp;&nbsp; </span></span></span><span>自燃点或引燃温度（</span><span lang="en-us">ºc</span><span>）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>11.<span>&nbsp;&nbsp;&nbsp; </span></span></span><span>蒸气压（</span><span lang="en-us">kpa,25ºc</span><span>）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>12.<span>&nbsp;&nbsp;&nbsp; </span></span></span><span>饱和蒸气压（</span><span lang="en-us">kpa,60ºc</span><span>）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>13.<span>&nbsp;&nbsp;&nbsp; </span></span></span><span>燃烧热（</span><span lang="en-us">kj/mol</span><span>）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>14.<span>&nbsp;&nbsp;&nbsp; </span></span></span><span>临界温度（</span><span lang="en-us">ºc</span><span>）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>15.<span>&nbsp;&nbsp;&nbsp; </span></span></span><span>临界压力（</span><span lang="en-us">kpa</span><span>）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>16.<span>&nbsp;&nbsp;&nbsp; </span></span></span><span>油水（辛醇</span><span lang="en-us">/</span><span>水）分配系数的对数值：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>17.<span>&nbsp;&nbsp;&nbsp; </span></span></span><span>爆炸上限（</span><span lang="en-us">%,v/v</span><span>）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>18.<span>&nbsp;&nbsp;&nbsp; </span></span></span><span>爆炸下限（</span><span lang="en-us">%,v/v</span><span>）：未确定</span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>19.<span>&nbsp;&nbsp;&nbsp; </span></span></span><span>溶解性：</span><span> </span><span><span>&nbsp;</span><span lang="en-us">1g</span></span><span>产品溶于</span><span lang="en-us">6ml</span><span>水、</span><span lang="en-us">40ml</span><span>乙醇、</span><span lang="en-us">420ml</span><span>氯仿，不溶于。其溶解度随温度升高而降低。</span><span lang="en-us"></span></p>
</p>
<h2 id="dl">毒理学数据</h2>
<p>
    		暂无
    	</p>
<h2 id="st">生态学数据</h2>
<p>
    		暂无
    	</p>
<h2 id="fz">分子结构数据</h2>
<p><p class="msonormal" align="left"><span lang="en-us"><span>1、<span>&nbsp;&nbsp; </span></span></span><span>摩尔折射率：</span><span lang="en-us">95.73</span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>2、<span>&nbsp;&nbsp; </span></span></span><span>摩尔体积（</span><span lang="en-us">m<sup>3</sup>/mol</span><span>）：</span><span lang="en-us">291.7</span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>3、<span>&nbsp;&nbsp; </span></span></span><span>等张比容</span><span lang="en-us">(90.2k)</span><span>：</span><span lang="en-us">793.3</span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>4、<span>&nbsp;&nbsp; </span></span></span><span>表面张力</span><span lang="en-us">(dyne/cm)</span><span>：</span><span lang="en-us">54.6</span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>5、<span>&nbsp;&nbsp; </span></span></span><span>极化率</span><span lang="en-us">(10-24cm<sup>3</sup>)</span><span>：</span><span lang="en-us">37.95</span></p>
</p>
<h2 id="js">计算化学数据</h2>
<p><p class="msonormal" align="left"><span lang="en-us"><span>1、<span>&nbsp;&nbsp; </span></span></span><span>疏水参数计算参考值（<span lang="en-us">xlogp</span>）：<span lang="en-us">2.2</span></span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>2、<span>&nbsp;&nbsp; </span></span></span><span>氢键供体数量：<span lang="en-us">3</span></span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>3、<span>&nbsp;&nbsp; </span></span></span><span>氢键受体数量：<span lang="en-us">5</span></span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>4、<span>&nbsp;&nbsp; </span></span></span><span>可旋转化学键数量：<span lang="en-us">2</span></span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>5、<span>&nbsp;&nbsp; </span></span></span><span>互变异构体数量：<span lang="en-us">9</span></span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>6、<span>&nbsp;&nbsp; </span></span></span><span>拓扑分子极性表面积（<span lang="en-us">tpsa</span>）：<span lang="en-us">94.8</span></span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>7、<span>&nbsp;&nbsp; </span></span></span><span>重原子数量：<span lang="en-us">26</span></span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>8、<span>&nbsp;&nbsp; </span></span></span><span>表面电荷：<span lang="en-us">0</span></span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>9、<span>&nbsp;&nbsp; </span></span></span><span>复杂度：<span lang="en-us">632</span></span><span lang="en-us"></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>10、</span></span><span>同位素原子数量：<span lang="en-us">0</span></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>11、</span></span><span>确定原子立构中心数量：<span lang="en-us">8</span></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>12、</span></span><span>不确定原子立构中心数量：<span lang="en-us">0</span></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>13、</span></span><span>确定化学键立构中心数量：<span lang="en-us">0</span></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>14、</span></span><span>不确定化学键立构中心数量：<span lang="en-us">0</span></span></p>
<p class="msonormal" align="left"><span lang="en-us"><span>15、</span></span><span>共价键单元数量：<span lang="en-us">1</span></span></p>
</p>
<h2 id="xz">性质与稳定性</h2>
<p>
    		暂无
    	</p>
<h2 id="zc">贮存方法</h2>
<p><p class="msonormal"><span>&nbsp;</p>
<p class="msonormal" align="left"><span>本品应密封于阴凉干燥处避光保存。</span><span lang="en-us"></span></p>
<p></span>
    	</p>
<h2 id="hc">合成方法</h2>
<p>
    		暂无
    	</p>
<h2 id="yt">用途</h2>
<p>
    		<span><span>生化研究。测定体液中四氢化可的松的标准物质。</span></span>
    	</p>
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