详情介绍
氯霉素
Chloramphenicol
Cas 号: 【56-75-7】 M D L: MFCD00078159
氯霉素分子式: 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
用于植物细胞培养 25
98% 500g
98% 100g
98% 25g
98% 5g
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
红外光谱鉴别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
红外光谱鉴别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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