33342 荧光染料,bisBenzimide, HOE 33342, Hoechst 33342,

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

Frequently Asked Questions

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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.

assay

≥98% (HPLC and TLC)

solubility

H₂O: 20 mg/mL

phosphate buffers: precipitates

suitability

passes application test for fluorescence

storage temp.

−20°C

Hazard Codes

Xn

Risk Statements

22-37/38

Safety Statements

36/37

WGK Germany

1

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产地

货号

规格

单价

备注

HoechstNo. 33342 荧光染料

Sigma

B2261

25mg

询价

现货