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169-14-2

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169-14-2 Structure

169-14-2 Structure
IdentificationBack Directory
[Name]

6-CHLORO-2,3-DIOXO-1,2,3,4-TETRAHYDROQUINOXALINE, 97
[CAS]

169-14-2
[Molecular Formula]

C8H5ClN2O2
[MDL Number]

MFCD00140720
Chemical PropertiesBack Directory
[Melting point ]

>300°C
[BRN ]

168142
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Hazard statements ]

H315-H319-H335
[Precautionary statements ]

P261-P280a-P304+P340-P305+P351+P338-P405-P501a
[Safety Statements ]

26-36
[TSCA ]

Yes
[Risk Statements ]

感受态细胞的制备是基因重组中一项基本技术，是获得高质量基因文 库的关键。由于诱导细菌进入感受态的机制尚不完全清楚，且感受态细胞的转 化率受诸多因素的影响，实验室之间差异较大。尤其在室温较高时，感受态制 备的效果很不稳定，摸索高温季节制备高效感受态细胞的方法仍十分必要。此 外，高效感受态细胞贮存不当会很快丧失其感受性，如何较好地贮存感受态细 胞亦是一个亟待解决的问题。制备感受态细胞的方法很多，而CaCl2法是目前 实验室制备感受态细胞较为常用的方法之一。   感受态细胞图
感受态细胞转化图 图: 感受态细胞及转化过程图
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