169-14-2

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169-14-2 Structure

Identification	Back Directory
[Name] 6-CHLORO-2,3-DIOXO-1,2,3,4-TETRAHYDROQUINOXALINE, 97
[CAS] 169-14-2
[Molecular Formula] C8H5ClN2O2
[MDL Number] MFCD00140720

Safety Data	Back Directory
[Symbol(GHS) ] 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。图: 感受态细胞及转化过程图

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