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<p class="MsoNormal" align="center" style="text-align:left;line-height:75%;"><a name="OLE_LINK16"></a><a name="OLE_LINK17"></a><a name="OLE_LINK14"></a><a name="OLE_LINK13"></a><a name="OLE_LINK11"></a><a name="OLE_LINK9"></a><a name="OLE_LINK5"></a><a name="OLE_LINK7"></a><a name="OLE_LINK8"></a><a name="OLE_LINK6"></a><a name="OLE_LINK3"></a><a name="OLE_LINK12"></a><a name="OLE_LINK4"><b><span lang="EN-US" style="font-size:14.0pt;line-height:75%;">Camptothecin Powder</span></b></a><b><span lang="EN-US" style="font-size:14.0pt;line-height:75%;"><o:p></o:p></span></b></p> <div class="MsoNormal" align="center" style="text-align:center;line-height:75%;mso-pagination:widow-orphan;"><a name="OLE_LINK15"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height: 75%"> <hr size="2" width="100%" align="center" /> </span></a></div> <p class="MsoNormal" align="left" style="margin-left:5.15pt;text-align:left;text-indent:-5.15pt;mso-char-indent-count:-.49;line-height:75%;mso-pagination: widow-orphan"><b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;mso-font-kerning: 0pt">Specification: </span></b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;mso-font-kerning:0pt;">95%, 98%, 99% by HPLC</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;"><o:p></o:p></span></p> <div class="MsoNormal" align="center" style="margin-left:5.15pt;text-align:center;text-indent:-5.15pt;mso-char-indent-count:-.49;line-height:75%;mso-pagination: widow-orphan"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;"> <hr size="2" width="100%" align="center" /> </span></div> <p class="MsoNormal" style="line-height:75%;mso-pagination:widow-orphan;"><b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;">Appearance: </span></b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;">yellow crystalline powder<o:p></o:p></span></p> <div class="MsoNormal" align="center" style="text-align:center;line-height:75%;mso-pagination:widow-orphan;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;"> <hr size="2" width="100%" align="center" /> </span></div> <p class="MsoNormal" align="left" style="text-align:left;line-height:75%;"><a name="OLE_LINK10"><b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;">Botanical Source:</span></b></a><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;"> fruit or leaf of Camptotheca acuminata Decne<o:p></o:p></span></p> <div class="MsoNormal" align="center" style="text-align:center;line-height:75%;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;"> <hr size="2" width="100%" align="center" /> </span></div> <p class="MsoNormal" align="left" style="text-align:left;line-height:75%;"><b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;">Melting Point: </span></b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;">264<st1:chmetcnv unitname="℃" sourcevalue="267" hasspace="False" negative="True" numbertype="1" tcsc="0" w:st="on">-267<span lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman""><span lang="EN-US">℃</span></span></st1:chmetcnv><o:p></o:p></span></p> <div class="MsoNormal" align="center" style="text-align:center;line-height:75%;"><a name="OLE_LINK19"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;"> <hr size="2" width="100%" align="center" /> </span></a></div> <p class="MsoNormal" align="left" style="text-align:left;line-height:75%;mso-layout-grid-align:none;text-autospace:none;"><b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;">Molecular Formula</span></b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;">: <span class="apple-converted-space"><b><span style="background-image:initial;background-attachment:initial;background-origin:initial;background-clip:initial;background-color:white;background-position:initial initial;background-repeat:initial initial;"> </span></b></span><span class="apple-style-span"><span style="background-image:initial;background-attachment:initial;background-origin:initial;background-clip:initial;background-color:white;background-position:initial initial;background-repeat:initial initial;">C<sub>20</sub>H<sub>16</sub>N<sub>2</sub>O<sub>4</sub></span></span><o:p></o:p></span></p> <div class="MsoNormal" align="center" style="text-align:center;line-height:75%;mso-layout-grid-align:none;text-autospace:none;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;"> <hr size="2" width="100%" align="center" /> </span></div> <p class="MsoNormal" align="left" style="text-align:left;line-height:75%;mso-layout-grid-align:none;text-autospace:none;"><b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;">Molecular Weight: </span></b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;">384.34<o:p></o:p></span></p> <div class="MsoNormal" align="center" style="text-align:center;line-height:75%;mso-layout-grid-align:none;text-autospace:none;"><a name="OLE_LINK18"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height: 75%"> <hr size="2" width="100%" align="center" /> </span></a></div> <p class="MsoNormal" style="line-height:75%;mso-layout-grid-align:none;text-autospace:none;"><b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;mso-font-kerning:0pt;">CAS No.:</span></b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;mso-font-kerning:0pt;"> <st1:chsdate year="7689" month="3" day="4" islunardate="False" isrocdate="False" w:st="on">7689-03-4</st1:chsdate><o:p></o:p></span></p> <div class="MsoNormal" align="center" style="text-align:center;line-height:75%;mso-layout-grid-align:none;text-autospace:none;"><a name="OLE_LINK2"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height: 75%"> <hr size="2" width="100%" align="center" /> </span></a></div> <p class="MsoNormal" align="left" style="text-align:left;line-height:75%;mso-layout-grid-align:none;text-autospace:none;"><b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:75%;mso-font-kerning:0pt;">Function: <o:p></o:p></span></b></p> <div class="MsoNormal" align="center" style="text-align:center;line-height:150%;"><a name="OLE_LINK1"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;"> <hr size="2" width="100%" align="center" /> </span></a></div> <p class="MsoNormal" align="left" style="text-align:left;line-height:150%;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;">Anti-tumor, immunosuppressive, anti-virus, anti-early pregnancy, the process of changing the skin epidermal keratinocytes,Clinical application: for cancer, psoriasis, warts treatment, acute and chronic leukemia and Hepatosplenomegaly caused by schistosomiasis, etc.</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;"><o:p></o:p></span></p> <div class="MsoNormal" align="center" style="margin-left:10.5pt;text-align:center;text-indent:-10.5pt;mso-char-indent-count:-1.0;line-height:150%;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;"> <hr size="2" width="100%" align="center" /> </span></div> <p class="MsoNormal" align="left" style="text-align:left;line-height:150%;"><b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;">Application:<o:p></o:p></span></b></p> <div class="MsoNormal" align="center" style="text-align:center;line-height:150%;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;"> <hr size="2" width="100%" align="center" /> </span></div> <p class="MsoNormal" align="left" style="text-align:left;line-height:150%;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;">1. Treatment Gastrointestinal cancer and leukemia,<o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-align:left;line-height:150%;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;">2. Plant growth regulator activity and kill insects. <o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin-left:10.5pt;text-align:left;text-indent:-10.5pt;mso-char-indent-count:-1.0;line-height:150%;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;">3. Treatment of gastric cancer, liver cancer, head and neck cancer and leukemia,, with fewer side effects than camptothecine.<o:p></o:p></span></p> <div class="MsoNormal" align="center" style="text-align:center;line-height:150%;"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;line-height:150%;"> <hr size="2" width="100%" align="center" /> </span></div>