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5-溴-4-氯-3-吲哚基-β-D-吡喃半乳糖苷

5-Bromo-4-chloro-3-indolyl-beta-D-galactopyranoside
产品编号:3031734
规格:98+%
CAS NO:7240-90-6
包装规格:10mg,50mg,250mg
产品类别:进口试剂
品牌:Alfa Aesar
优惠价:立即咨询
产品编号包装单位单价(元)国内现货国外库存询价单
303173410mg332
303173450mg2350
3031734250mg3160
产品别名

7240-90-6

5-溴-4-氯-3-吲哚基-β-D-吡喃半乳糖苷

5-Bromo-4-chloro-3-indolyl-beta-D-galactopyranoside

X-Gal

基本信息
应用
It is a substrate for beta-galactosidase, which cleaves the glycosidic bond to give 5-bromo-4-chloro-3-hydroxy-1H-indole, which immediately dimerises to give an intensely blue product. It is also used to detect activity of this enzyme in histochemistry and bacteriology. It is employed as a colorless, endogenous or exogenous pigment precursors that may be transformed by biological mechanisms into colored compounds. They are used in biochemical assays and in diagnosis as indicators, particularly in the form of enzyme substrates. X-Gal is the substrate of choice for blue-white selection of recombinant bacterial colonies with the lac+ genotype.
备注
Moisture & Light sensitive. Store away from oxidizing agents, heat, water/moisture and light. Store under inert gas. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.
MDL
MFCD00005666
EINECS
230-640-8
分子式
C14H15BrClNO6
分子量
408.64
熔点
ca 236° dec.
灵敏度
Store under Nitrogen. Keep Cold. Moisture Sensitive. Light Sensitive.
形态
Powder
溶解性
Soluble in 100 mM in DMSO.
Beilstein
1402009
安全信息
TSCA
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