Propidium Iodide

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Propidium Iodide

Propidium Iodide | 25535-16-4

Catalog Number A19-0101
Category DNA Stains
Molecular Formula C27H34I2N4
Molecular Weight 668.41
Catalog Number Size Price Quantity
A19-0101 -- $--

Product Introduction

Propidium iodide (PI) is a membrane-impermeant, red fluorescent dye that stains DNA. It is generally excluded from viable cells and can penetrate damaged cells, therefore it is commonly used to identify the viability of cells. PI is suitable for fluorescence microscopy and flow cytometry.

Chemical Information

Synonyms PI; 3,8-diamino-5-[3-(diethylmethylammonio)propyl]-6-phenyl-phenanthridinium diiodide
Purity ≥90%
IUPAC Name 3-(3,8-diamino-6-phenylphenanthridin-5-ium-5-yl)propyl-diethyl-methylazanium;diiodide
Canonical SMILES CC[N+](C)(CC)CCC[N+]1=C2C=C(C=CC2=C3C=CC(=CC3=C1C4=CC=CC=C4)N)N.[I-].[I-]
InChI InChI=1S/C27H33N4.2HI/c1-4-31(3,5-2)17-9-16-30-26-19-22(29)13-15-24(26)23-14-12-21(28)18-25(23)27(30)20-10-7-6-8-11-20;;/h6-8,10-15,18-19,29H,4-5,9,16-17,28H2,1-3H3;2*1H/q+1;;/p-1
InChI Key XJMOSONTPMZWPB-UHFFFAOYSA-M
Appearance Dark Red Solid
Melting Point 220-225°C (dec.)
  • Product Specification
Excitation 488-535 nm
Emission 617 nm
Storage Store at -20°C
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