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D8417

4′,6-Diamidino-2-phenylindole dihydrochloride

powder, BioReagent, suitable for cell culture, ≥98% (HPLC), suitable for fluorescence

Sinónimos:

2-(4-Amidinophenyl)-6-indolecarbamidine dihydrochloride, DAPI dihydrochloride

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Fórmula empírica (notación de Hill):
C16H15N5 · 2HCl
Número CAS:
28718-90-3
Peso molecular:
350.25
UNSPSC Code:
41116130
NACRES:
NA.75
PubChem Substance ID:
24894213
EC Number:
249-186-7
Beilstein/REAXYS Number:
4894417
MDL number:
MFCD00012681
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product line

BioReagent

Quality Level

200

assay

≥98% (HPLC)

form

powder

technique(s)

cell culture | mammalian: suitable

solubility

H2O: 20 mg/mL, PBS: insoluble

ε (extinction coefficient)

30 at 263 nm in H2O

fluorescence

λex 340 nm; λem 488 nm (nur DAPI), λex 364 nm; λem 454 nm (DAPI-DNA-Komplex)

suitability

suitable for fluorescence

storage temp.

2-8°C

SMILES string

Cl.Cl.NC(=N)c1ccc(cc1)-c2cc3ccc(cc3[nH]2)C(N)=N

InChI

1S/C16H15N5.2ClH/c17-15(18)10-3-1-9(2-4-10)13-7-11-5-6-12(16(19)20)8-14(11)21-13;;/h1-8,21H,(H3,17,18)(H3,19,20);2*1H

InChI key

FPNZBYLXNYPRLR-UHFFFAOYSA-N

General description

Heat or sonication may be required. Solutions stored in the dark at room temperature or 4 °C should be stable for 2 to 3 weeks.
4′,6-Diamidino-2-phenylindole dihydrochloride is a fluorescent dye for staining DNA. It strongly interacts with the dAT-rich (deoxy adenine-thymine) regions of the DNA.

Application

DAPI is several times more sensitive than ethidium bromide for staining DNA in agarose gels.
DAPI is several times more sensitive than ethidium bromide for staining DNA in agarose gels. It may be used for photofootprinting of DNA, to detect annealed probes in blotting applications by specifically visualizing the double-stranded complex, and to study the changes in DNA and analyze DNA content during apoptosis using flow cytometry. DAPI staining has also been shown to be a sensitive and specific detection method for mycoplasma.
4′,6-Diamidino-2-phenylindole dihydrochloride has been used in staining of various cells in immunocytochemistry and cytochemistry, human subcutaneous adipose tissues for fluorescence imaging, embryo sections for immunofluorescence.

Biochem/physiol Actions

Cell permeable fluorescent minor groove-binding probe for DNA. Binds to the minor groove of double-stranded DNA (preferentially to AT rich DNA), forming a stable complex which fluoresces approximately 20 times greater than DAPI alone.

Other Notes

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research

Disclaimer

Protect from light.

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GHS07

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Warning

Hazard Classifications

Skin Irrit. 2 - Skin Sens. 1A - STOT SE 3

target_organs

Respiratory system

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
0000413306
0000413306
0000369266
0000361184
0000355394

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