氯霉素

氯霉素Chloramphenicol Cas 号： 【56-75-7】 M D L： MFCD00078159分子式：氯霉素C11H12Cl2N2O5 ；Cl2CHCONHCH(CH2OH)CH(OH)C6H

上海酶联科研检测中心成立于2009年，经过数年的努力已迅速成为集科研和生产为一体的专业化生物工程公司。特别是ELISA研发这一产品已使上海酶联科研检测中心成为中国知名公司。



公司产品涵盖ELISA研发、细胞培养，各种生化试剂、各种酶类、分子生物学试剂盒、培养基、自产实验室耗材、小型仪器等。此外、上海酶联科研检测中心还代理了sigma,R&D,ScienCell,ATCC,wak0,omega，Worthington、MBI、Bioworld、Calendon等国外各类知名公司的产品。







上海酶联科研检测中心将进一步加强人才经营、产品经营，不断提升企业的核心竟争力，实现具有高科技产业体系、知识化创业团队的国际化的公司，服务于生命科学领域，迎接世界经济一体化所带来的机遇与挑战。


                               

氯霉素
Chloramphenicol
Cas 号： 【56-75-7】 M D L： MFCD00078159
分子式：氯霉素C11H12Cl2N2O5 ；Cl2CHCONHCH(CH2OH)CH(OH)C6H4NO2 分子量： 323.13
别 名： 左旋霉素，左霉素，D(-)-苏-1-对硝基苯基-2-二氯乙酰胺基-1,3-丙二醇，D-苏式-(-)-N-[α-(羟基甲基)-β-羟基-对硝基苯乙基]-2,2-二氯乙酰胺
D(−)-threo-2,2-Dichloro-N-[β-hydroxy-α-(hydroxymethyl)-β-(4-nitrophenyl)ethyl]acetamide
D-(−)-threo-2-Dichloroacetamido-1-(4-nitrophenyl)-1,3-propanediol
Chloromycetin®
D-threo-2,2-Dichloro-N-[β-hydroxy-α-(hydroxymethyl)-4-nitrophenethyl]acetamide
D-(−)-threo-2,2-Dichloro-N-[β-hydroxy-α-(hydroxymethyl)-β-(4-nitrophenyl)ethyl]acetamide
D-(−)-threo-2-Dichloroacetamido-1-(4-nitrophenyl)-1,3-propanediol
氯霉素 用于植物细胞培养 25g
氯霉素 98% 500g
氯霉素 98% 100g
氯霉素 98% 25g
氯霉素 98% 5g
氯霉素性 状： 白色、灰白色或黄白色结晶粉末，溶解度:2.5 g/L 水(25℃)，150.8 mg/ml 丙二醇。 溶于甲醇、乙醇、丁醇、丙酮和乙酸乙酯，不溶于苯。
熔点:149-152℃
[a]20/D：18.5°（c=6, C2H5OH）
质量标准： 98%：
外观Appearance 白色、灰白色或黄白色结晶粉末
红外鉴别Infrared spectrometry 符合
纯度Purity 98.0 - 102.0% (银量滴定)
纯度Purity ≥98.0% (HPLC)
熔点Melting point 149°C - 152°C
干燥损失Loss on drying <0.5 % (105°C)
比旋光度Specific rotation [a]20/D +18.5°～ +20.5°(c=6, ethanol)
品级Grade 植物细胞培养测试级
(plant cell culture tested)
外观Appearance 白色至类白色粉末
红外鉴别Infrared spectrometry Conforms
纯度Purity ≥98.0% (HPLC)
熔点Melting point 149°C - 152°C
干燥损失Loss on drying <0.5 % (105°C)
醇溶解试验solubility in ETHANOL 50 MG/ML，Clear colorless to light yellow solution
比旋光度Specific rotation [a]20/D +18.5°～ +20.5°(c=6, ethanol)
品级Grade USP级
(meets USP testing specifications)
鉴别试验Identity PASS
熔点Melting point 149°C - 153°C
比旋光度Specific rotation [a]20/D +17.0 ° ～ +20.0 °
结晶试验Crystallinity PASS
PH TEST 4.5 ～ 7.5
色谱纯度Chromatographic purity PASS
含量ASSAY 97.0% ～ 103.0%
溶剂残留Residual solvents MEETS THE REQUIREMENTS
贮 存： 室温保存
用途 在转肽酶(peptidyl transferase)步骤抑制在50S 核糖体亚单元上的翻译。
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