4’,6-Diamidino-2-phenylindole Dihydrochloride

For research use only. Not for therapeutic Use.

  • CAT Number: R003340
  • CAS Number: 28718-90-3
  • Molecular Formula: C16H15N5 • 2HCl
  • Molecular Weight: 350.30
  • Purity: ≥95%
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4′,6-Diamidino-2-phenylindole dihydrochloride (Cat No.: R003340) is a fluorescent stain widely used in cell biology and molecular biology to visualize DNA. It binds strongly to A-T rich regions in the minor groove of double-stranded DNA, emitting a bright blue fluorescence under UV light. DAPI is commonly used in fluorescence microscopy for nuclear staining in fixed cells. The dihydrochloride form enhances solubility and stability. Due to its high specificity and sensitivity, DAPI is a valuable tool in imaging and cell cycle studies.


CAS Number 28718-90-3
Synonyms

DAPI; 2-(4-Amidinophenyl)-6-indolecarbamidine, Dihydrochloride; 2-[4-(Aminoiminomethyl)phenyl]-1H-indole-6-carboximidamide Hydrochloride; 4’,6-Diamidino-2-phenylindole Dihydrochloride;

Molecular Formula C16H15N5 • 2HCl
Purity ≥95%
Target DNA Stain
Storage -20°C
IUPAC Name 2-(4-carbamimidoylphenyl)-1H-indole-6-carboximidamide;dihydrochloride
InChI 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
InChIKey FPNZBYLXNYPRLR-UHFFFAOYSA-N
SMILES C1=CC(=CC=C1C2=CC3=C(N2)C=C(C=C3)C(=N)N)C(=N)N.Cl.Cl
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