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301 Moved Permanently - a4b9.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx
Date: Fri, 09 May 2025 18:55:15 GMT
Content-Type: text/html
Content-Length: 0
Connection: keep-alive
Location: http://www.a4b9.com/

HTTP Code 301 Moved Permanently

301 status code means that the requested resource has been permanently moved to a new URL. All future requests should use the new address.

When is Code 301 used?

  • When changing a website domain
  • When modifying URL structures
  • When setting up redirects for SEO

What does Code 301 mean for the user?

The browser will automatically redirect the user to the new address, and search engines will update their indexes.

200 OK - http://www.a4b9.com/
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx
Date: Fri, 09 May 2025 18:55:19 GMT
Content-Type: text/html
Content-Length: 27216
Connection: keep-alive
Vary: Accept-Encoding

HTTP Code 200 OK

200 status code is a standard successful HTTP server response. It means that the client’s request (e.g., from a browser) was successfully processed, and the server is delivering the requested data.

When is Code 200 used?

  • When loading a web page
  • When successfully receiving an API response
  • When processing a form or another HTTP request

What does Code 200 mean for the user?

The user receives content without errors, and the page or application functions properly. If Code 200 is accompanied by data, the browser or program processes and displays it to the user.

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							   <span id="msk0ya0i"    class="cpname"><a href="http://www.a4b9.com/oudanxilie/61.html">偶氮二甲酸二異丙酯（別稱(chēng)：DIAD）</a></span>

							   <span id="msk0ya0i"    class="cpmore"><a href="http://www.a4b9.com/oudanxilie/61.html"><img src="/images/t11.gif" border="0" /></a></span>

							   <span id="msk0ya0i"    class="cptu"><img src="http://www.a4b9.com/uploadfile/202305/107_1529034480988654.gif" width="99" height="75"/></span>

							   <span id="msk0ya0i"    class="cpword">簡(jiǎn)介    中文名稱(chēng) 偶氮二甲酸二異丙酯    中文別名 二異丙基偶氮羥酸鹽；偶氮二羧酸異丙酯；偶氮二羧酸二異丙酯；偶氮二異丙基二羧酸；偶氮二甲酸二異丙酯/DIAD    英文別名 AZODI...</span>

							   <span id="msk0ya0i"    class="cpcas">CAS:2446-83-5</span>

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							   <span id="msk0ya0i"    class="cpname"><a href="http://www.a4b9.com/oudanxilie/131.html">偶氮二甲酸二叔丁酯（別稱(chēng)：DBAD）</a></span>

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							   <span id="msk0ya0i"    class="cptu"><img src="http://www.a4b9.com/uploadfile/202305/132_1605754654635871.jpg" width="99" height="75"/></span>

							   <span id="msk0ya0i"    class="cpword">【化工字典】中文別名: 偶氮二羧酸二叔丁酯英文名稱(chēng): Di-tert-Butyl azodicarboxylate英文別名: Di-tert-Butyl azodic分子式: C10H18N2...</span>

							   <span id="msk0ya0i"    class="cpcas">CAS:870-50-8</span>

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							   <span id="msk0ya0i"    class="cpname"><a href="http://www.a4b9.com/ajbhjxl/60.html">二碳酸二叔丁酯（別稱(chēng)：BOC-酸酐）</a></span>

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							   <span id="msk0ya0i"    class="cptu"><img src="http://www.a4b9.com/uploadfile/202305/107_1529034135613280.jpg" width="99" height="75"/></span>

							   <span id="msk0ya0i"    class="cpword">簡(jiǎn)介    中文名稱(chēng)： 二碳酸二叔丁酯    中文別名： 二叔丁基二碳酸酯, 焦碳酸二叔丁酯    俗稱(chēng)：BOC    英文名稱(chēng)： Di-tert-butyl dicarbonate    英...</span>

							   <span id="msk0ya0i"    class="cpcas">CAS:24424-99-5</span>

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							   <span id="msk0ya0i"    class="cpcas">CAS:24057-28-1</span>

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							   <span id="msk0ya0i"    class="cpname"><a href="http://www.a4b9.com/pyridine/35.html">三氧化硫吡啶</a></span>

							   <span id="msk0ya0i"    class="cpmore"><a href="http://www.a4b9.com/pyridine/35.html"><img src="/images/t11.gif" border="0" /></a></span>

							   <span id="msk0ya0i"    class="cptu"><img src="http://www.a4b9.com/uploadfile/202305/107_1529034517325295.gif" width="99" height="75"/></span>

							   <span id="msk0ya0i"    class="cpword">簡(jiǎn)介   中文名稱(chēng)：三氧化硫吡啶    中文同義詞：三氧化硫吡啶的化合物;三氧化硫-吡啶復(fù)合物;吡啶三氧化硫;三氧化硫吡啶;三氧化硫吡啶絡(luò)合物;合成硫磺三氧化嘧啶;Sulfur trioxid...</span>

							   <span id="msk0ya0i"    class="cpcas">CAS:26412-87-3</span>

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							   <span id="msk0ya0i"    class="cpword">簡(jiǎn)介    英文別名： Pyridine Hydrobromide Perbromide;Pyridinium Tribromide    CAS號(hào)： 39416-48-3    分子量： 3...</span>

							   <span id="msk0ya0i"    class="cpcas">CAS:39416-48-3</span>

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			<p style="font-size:14px;line-height:26px;text-indent:34px;font-family:'微軟雅黑'"><b>22年的專(zhuān)業(yè)化學(xué)品生產(chǎn)經(jīng)驗(yàn)</b>——始創(chuàng)工廠(chǎng)成立于1999年，是國(guó)內(nèi)最早生產(chǎn)二碳酸二叔丁酯的企業(yè)。我們的生產(chǎn)技術(shù)團(tuán)隊(duì)搭建了數(shù)字化管理系統(tǒng)，聚焦于技術(shù)攻關(guān)、節(jié)能降耗和優(yōu)化創(chuàng)新，產(chǎn)品具有獨(dú)創(chuàng)性和優(yōu)勢(shì)性。			</p>

			<p style="font-size:14px;line-height:26px;text-indent:34px;font-family:'微軟雅黑'"><b>15年的專(zhuān)業(yè)化學(xué)品營(yíng)銷(xiāo)經(jīng)驗(yàn)</b>——南京騰象擁有一支專(zhuān)業(yè)水平高、經(jīng)驗(yàn)豐富的生產(chǎn)型營(yíng)銷(xiāo)團(tuán)隊(duì)。在產(chǎn)品生產(chǎn)、質(zhì)量、包裝、運(yùn)輸?shù)雀鳝h(huán)節(jié)都有專(zhuān)業(yè)規(guī)范的管控。15年的專(zhuān)業(yè)經(jīng)驗(yàn)獲得用戶(hù)高度認(rèn)可，已和全球40多家知名醫(yī)藥企業(yè)建立了穩(wěn)定的生產(chǎn)供應(yīng)關(guān)系。

			</p>

			<p style="font-size:14px;line-height:26px;text-indent:34px;font-family:'微軟雅黑'"><b>4個(gè)生產(chǎn)基地和1個(gè)實(shí)驗(yàn)機(jī)構(gòu)</b>——南京騰象的主要生產(chǎn)基地位于甘肅蘭州，在江蘇、河北、天津都有配套的合作工廠(chǎng)，已形成了完整的產(chǎn)品生產(chǎn)供應(yīng)鏈。獨(dú)立的實(shí)驗(yàn)中心可提供產(chǎn)品研發(fā)、分析一站式服務(wù)。

			</p>

			<p style="font-size:14px;line-height:26px;text-indent:34px;font-family:'微軟雅黑'"><b>5大系列產(chǎn)品</b>——氨基保護(hù)劑系列、偶氮系列、吡啶系列、醫(yī)藥中間體和生物合成系列，主要品種有：二碳酸二叔丁酯（Diboc、Boc酸酐）、偶氮二甲酸二異丙酯（DIAD）、三氧化硫吡啶、三溴化吡啶鎓、吡啶鹽酸鹽、對(duì)甲苯磺酸吡啶鹽、2-金剛烷酮、原兒茶酸等。

			</p>

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		友情鏈接：
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