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Sigma B2883 25mg 33258 荧光染料;bisBenzimide H 33258;Hoe...

产品信息

 

33258 荧光染料

产品说明:

Hoechst 33258,也称bisBenzimide H 33258HOE 33258。分子式为C25H24N6O·3HCl,分子量为533.88CAS Number 23491-45-4
 Hoechst 33258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 33258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 33258也常用于普通的细胞核染色,或常规的DNA染色。
 Hoechst 33258的Z大激发波长为346nm,Z大发射波长为460nmHoechst 33258和双链DNA结合后,Z大激发波长为352nm,Z大发射波长为461nm
  溶解度:Hoechst 33258溶于水,溶解度可达10mg/ml
  用途:用于细胞核染色时,推荐的Hoechst 33258工作浓度为0.5-10μg/ml

Sigma相关资料:

Sigma-Aldrich B2883 bisBenzimide H 33258

≥98% (HPLC and TLC)

 

Synonym:

BBIH, HOE 33258, Hoechst 33258, 2′-(4-Hydroxyphenyl)-5-(4-methyl-1-piperazinyl)-2,5′-bi(1H-benzimidazole) trihydrochloride, 2-[2-(4-Hydroxyphenyl)-6-benzimidazoyl]-6-(1-methyl-4-piperazyl)benzimidazole trihydrochloride

CAS Number:

23491-45-4

Linear Formula:

C25H24N6O · 3HCl

Molecular Weight:

533.88

Beilstein Registry Number:

4088183

EC Number:

245-690-6

MDL number:

MFCD00012679

PubChem Substance ID:

24891414

 

Description

 

Biochem/physiol Actions

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

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

 

Properties

 

assay

≥98% (HPLC and TLC)

solubility

H2O: 10 mg/mL

 

phosphate buffers: precipitates

suitability

passes application test for fluorescence

storage temp.

−20°C

 

Safety

 

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Xn

Risk Statements

22-36/38

Safety Statements

26-36

WGK Germany

3

RTECS

SM1140500

 

 

品名

产地

货号

规格

单价

备注

HoechstNo. 33258 荧光染料

Sigma

B2883

25mg

询价

现货

 

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