Merck
CN
所有图片(5)

文件

B2261

Sigma-Aldrich

双苯并咪唑 H 33342 三盐酸盐

≥98% (HPLC and TLC)

登录查看公司和协议定价
所有图片(5)
别名:
2′-(4-乙氧基苯基)-5-(4-甲基-1-哌嗪基)- 2,5′-双-1H-苯并咪唑 三盐酸盐, HOE 33342, Hoechst 33342, 双苯并咪唑
经验公式（希尔记法）:
C27H28N6O · 3HCl · xH2O
CAS号:
875756-97-1
分子量:
561.93 (anhydrous basis)
Beilstein:
1234011
MDL编号:
MFCD00012678
PubChem化学物质编号:
24891639
NACRES:
NA.47

质量水平

300

检测方案

≥98% (HPLC and TLC)

形式

powder

颜色

yellow

pH值（酸碱度）

1.7 (20 °C)

溶解性

H2O: 20 mg/mL
phosphate buffer: precipitates

适用性

suitable for fluorescence

应用

diagnostic assay manufacturing
hematology
histology

储存温度

−20°C

SMILES字符串

Cl[H].Cl[H].Cl[H].CCOc1ccc(cc1)C2=NCc3cc(ccc3N2)C4=NCc5cc(ccc5N4)N6CCN(C)CC6

InChI

1S/C29H32N6O.3ClH/c1-3-36-25-8-4-20(5-9-25)28-30-18-22-16-21(6-10-26(22)32-28)29-31-19-23-17-24(7-11-27(23)33-29)35-14-12-34(2)13-15-35;;;/h4-11,16-17H,3,12-15,18-19H2,1-2H3,(H,30,32)(H,31,33);3*1H

InChI key

FYEVKHPLBHLWHK-UHFFFAOYSA-N

正在寻找类似产品? Visit 产品对比指南

相关类别

应用

Bisbenzimide Hoechst 33342是双链高AT含量区域的特异染色剂，经证可替代几种已知的DNA嵌入剂。这种荧光染料已用于根据DNA含量分选活细胞选、流式细胞术DNA含量测定、活细胞染色质分布可视化。它已用于检测细胞BrdU掺入、细胞凋亡和细胞周期分配的初始阶段研究,。正在分裂或复制的染色体不会被这种染料染色。
适用于DNA，染色体和细胞核染色。可用于荧光显微镜或流式细胞术。
最大激发波=346nm
最大发射波长=460nm

生化/生理作用

膜透性，具有低细胞毒性荧光DNA染料，插入在DNA的A-T区域。

物理属性

双苯甲酰亚胺H 33342的荧光性质：
游离染料：最大激发波长= 340 nm，最大发射波长= 510 nm(5 mM HEPES, 10 mM NaCl, pH 7.0)DNA复合物：最大激发波长= 355 nm，最大发射波长= 465 nm (5 mM HEPES, 10 mM NaCl, pH 7.0)

制备说明

该产品可溶于水（50 mg/ml），形成澄清溶液。2％溶液的pH为1.9。现已观测发现此物质可从磷酸盐缓冲溶液中沉淀出来。
如果在2-8°C黑暗环境存放，水溶液可稳定保存1个月。

相关产品

产品编号
说明
价格

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ （Lot或Batch）字后找到。

已有该产品？

为方便起见，与您过往购买产品相关的文件已保存在文档库中。

访问文档库

难以找到您所需的产品或批次号码？

在网站页面上，产品编号会附带包装尺寸/数量一起显示（例如：T1503-25G）。请确保 在“产品编号”字段中仅输入产品编号 (示例: T1503).

示例

T1503
货号
-
25G
包装规格/数量

其它示例：

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

输入内容 1.000309185)

遇到问题？欢迎随时联系我们技术服务 寻求帮助

批号可以在产品标签上"批“ （Lot或Batch）字后面找到。

Aldrich 产品

  • 如果您查询到的批号为 TO09019TO 等，请输入去除前两位字母的批号：09019TO。

  • 如果您查询到的批号含有填充代码（例如05427ES-021），请输入去除填充代码-021的批号：05427ES。

  • 如果您查询到的批号含有填充代码（例如 STBB0728K9），请输入去除填充代码K9的批号：STBB0728。

未找到您寻找的产品？

部分情况下，可能未在线提供COA。如果搜索不到COA，可在线索取。

索取COA

  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What is a typical concentration of Product B2261, bisBenzimide H 33342 trihydrochloride, for staining DNA in cells?

    200 micrograms per mL.

  6. Can solvents other than water be used to dissolve Product B2261, bisBenzimide H 33342 trihydrochloride?

    Hoechst 33342 can be dissolved in N,N-dimethylformamide (DMF).

  7. Which Hoechst dye is suitable for chromosomal analysis?

    Hoechst 33258 (Product No. B2883) is the preferred Hoechst dye for chromosomal analysis. Hoechst 33342 (Product No. B2261) is a poor fluorochrome for chromosomal analysis.

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

M Gregoire et al.
Experimental cell research, 152(1), 38-46 (1984-05-01)
Chromatin distribution was visualized in living cells with the selective DNA fluorochrome Hoechst 33342. This dye was shown to be non-toxic on the rat kangaroo PTO cell line by measuring the labelled cell growth rate. The aim of this work
M G Ormerod et al.
Cytometry, 14(6), 595-602 (1993-01-01)
We have recently developed a method for the separation and quantification of viable apoptotic cells without the need for permeabilisation or fixation of the cells. The method is based on the observation that apoptotic rat thymocytes fluoresce more brightly than
F Belloc et al.
Cytometry, 17(1), 59-65 (1994-09-01)
A flow cytometric method to detect apoptotic cells is described. This method is based on the detection of differences in chromatin condensation with Hoechst 33342 as a probe and the detection of dead cells with propidium iodide as a probe
The transforming activity of Wnt effectors correlates with their ability to induce the accumulation of mammary progenitor cells.
Liu BY, et al.
Proceedings of the National Academy of Sciences of the USA, 101, 4158-4163 (2004)
D J Arndt-Jovin et al.
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 25(7), 585-589 (1977-07-01)
The methods for measuring the deoxyribonucleic acid content of individual mammalian cells and sorting them on the basis of this parameter have until now required fixation or other treatment which renders the cells nonviable. Using a class of bis-benzimidazole dyes
查看所有相关文献

商品

Cell Cycle Analysis Using NTP Transporter

Cell cycle regulates vital processes like DNA repair, cancer prevention. Four stages: G1, S, G2, M. NTPs don't permeate membranes.

我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系技术服务部门