Bisbenzimide  |
| Names |
| IUPAC name 2′-(4-Ethoxyphenyl)-6-(4-methyl-1-piperazinyl)-1H,3′H-2,5′-bibenzimidazole |
| Other names Hoechst 33342; Hoe 33342 |
| Identifiers |
| | |
3D model (JSmol) | |
| ChemSpider | |
| ECHA InfoCard | 100.041.523  |
| | |
| UNII | |
| | |
InChI=1S/C27H28N6O/c1-3-34-21-8-4-18(5-9-21)26-28-22-10-6-19(16-24(22)30-26)27-29-23-11-7-20(17-25(23)31-27)33-14-12-32(2)13-15-33/h4-11,16-17H,3,12-15H2,1-2H3,(H,28,30)(H,29,31) Key: PRDFBSVERLRRMY-UHFFFAOYSA-N InChI=1/C27H28N6O/c1-3-34-21-8-4-18(5-9-21)26-28-22-10-6-19(16-24(22)30-26)27-29-23-11-7-20(17-25(23)31-27)33-14-12-32(2)13-15-33/h4-11,16-17H,3,12-15H2,1-2H3,(H,28,30)(H,29,31) Key: PRDFBSVERLRRMY-UHFFFAOYAR
|
SMILES CCOc1ccc(cc1)c2[nH]c3cc(ccc3n2)c4[nH]c5cc(ccc5n4)N6CCN(CC6)C
|
| Properties |
| | C27H28N6O |
| Molar mass | 452.562 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
| | |
Bisbenzimide (Hoechst 33342) is an organic compound used as a fluorescent stain for DNA in molecular biology applications.[1] Several related chemical compounds are used for similar purposes and are collectively called Hoechst stains.
Application
Bisbenzimide tends to bind to adenine–thymine-rich regions of DNA and can decrease its density. Bisbenzimide mixed with DNA samples can then be used to separate DNA according to their AT percentage using a cesium chloride (CsCl) gradient centrifugation.
Nuclei of Platynereis dumerilii larvae stained with Hoechst 33342
References
External links
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