Hydroxystilbamidine bis(methanesulfonate)

Discontinued Product

Hydroxystilbamidine bis(methanesulfonate) (Cat. No. 6406) has been withdrawn from sale for commercial reasons.
Description: Displays different fluorescence emission wavelengths when bound to DNA compared to RNA
Chemical Name: 4-[2-[4-(Aminoiminomethyl)phenyl]ethenyl]-3-hydroxybenzenecarboximidamide bis(methanesulfonate)
Purity: ≥95% (HPLC)
Literature (1)

Biological Activity

Hydroxystilbamidine bis(methanesulfonate) is a fluorescent cationic dye commonly used as a neuronal tracer; exhibits retrograde axonal transport. Displays different fluorescence emission wavelengths when bound to DNA compared to RNA. Visualize with an ultraviolet excitation filter. Gold color is emitted when tissue is processed with a neutral pH buffer while blue/bright white is emitted when an acidic pH buffer is used.

Technical Data

M. Wt 472.54
Formula C16H16N4O.2CH4O3S
Storage Store at -20°C
Purity ≥95% (HPLC)
CAS Number 223769-64-0
PubChem ID 16212515
Smiles NC(C(C=C1)=CC=C1/C=C/C2=C(O)C=C(C(N)=N)C=C2)=N.CS(=O)(O)=O.CS(=O)(O)=O

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

Tocris products are intended for laboratory research use only, unless stated otherwise.

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Citations for Hydroxystilbamidine bis(methanesulfonate)

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Fluorescent Dyes and Probes Research Product Guide

Fluorescent Dyes and Probes Research Product Guide

This product guide provides a background to the use of Fluorescent Dyes and Probes, as well as a comprehensive list of our:

  • Fluorescent Dyes, including dyes for flow cytometry
  • Fluorescent Probes and Stains, including our new MitoBrilliantTM mitochondria stains
  • Tissue Clearing Kits and Reagents
  • Aptamer-based RNA Imaging Reagents
  • Fluorescent Probes for Imaging Bacteria
  • TSA VividTM Fluorophore Kits
  • TSA Reagents for Enhancing IHC, ICC & FISH Signals