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25MG- bisBenzimide H 33342,HOE 33342, Hoechst 33342

产品信息
33342 荧光染料产品说明:Hoechst 33342,也称bisBenzimide H 33342或HOE 33342。分子式为C27H28N6O·3HCl·3H2O,分子量为615.99,CAS Number 23491-52-3。    Hoechst 33342是一种可以穿透细胞膜的蓝色荧光染料,对细胞的毒性较低。    Hoechst 33342染色常用于细胞凋亡检测,染色后用荧光显微镜观察或流式细胞仪检测。Hoechst 33342也常用于普通的细胞核染色,或常规的DNA染色。    Hoechst 33342的Z大激发波长为346nm,Z大发射波长为460nm;Hoechst 33342和双链DNA结合后,Z大激发波长为350nm,Z大发射波长为461nm。   溶解度: Hoechst 33342溶于水,溶解度可达20mg/ml。    用途:用于细胞核染色时,推荐的Hoechst 33342工作浓度为0.5-10μg/ml。Sigma相关资料:Sigma-Aldrich  B2261 bisBenzimide H 33342 trihydrochloride≥98% (HPLC and TLC)

Synonym:

bisBenzimide, HOE 33342, Hoechst 33342, 2′-(4-Ethoxyphenyl)-5-(4-methyl-1-piperazinyl)-2,5′-bi-1H-benzimidazole trihydrochloride

CAS Number:

23491-52-3

Linear Formula:

C27H28N6O · 3HCl · xH2O

Molecular Weight:

561.93 (anhydrous basis)

Beilstein Registry Number:

1234011

EC Number:

245-691-1

MDL number:

MFCD00012678

PubChem Substance ID:

24891639

 Description

Frequently Asked Questions

Live Chat and Frequently Asked Questions are available for this Product.

Application

Useful for staining DNA, chromosomes and nuclei. May be used for fluorescence microscopy or flow cytometry.
Excitation max. = 346 nm
Emission max. = 460 nm

Biochem/physiol Actions

Membrane-permeable, fluorescent DNA stains with low cytotoxicity that intercalate in A-T regions of DNA.

 Properties

assay

≥98% (HPLC and TLC)

solubility

H2O: 20 mg/mL

 

phosphate buffers: precipitates

suitability

passes application test for fluorescence

storage temp.

20°C

 Safety

Hazard Codes

Xn

Risk Statements

22-37/38

Safety Statements

36/37

WGK Germany

1

 

品名

产地

货号

规格

单价

备注

HoechstNo. 33342 荧光染料

Sigma

B2261

25mg

询价

现货

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