Sulforhodamine 101

Pricing Availability   Qty
Description: Red fluorescent dye; selective astrocyte marker
Chemical Name: 9-(2,4-Disulfophenyl)-2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-xantheno[2,3,4-ij:5,6,7-i'j']diquinolizin-18-ium inner salt
Purity: ≥95% (HPLC)
Citations (1)
Reviews (1)
Literature (1)

Biological Activity for Sulforhodamine 101

Sulforhodamine 101 is a fluorescent dye (excitation maximum ~ 586 nm; emission maximum ~ 606). Selective astrocyte marker.

Technical Data for Sulforhodamine 101

M. Wt 606.71
Formula C31H30N2O7S2
Storage Store at +4°C
Purity ≥95% (HPLC)
CAS Number 60311-02-6
PubChem ID 122180
Smiles O=S(C(C=C8)=CC(S(=O)([O-])=O)=C8C(C(C=C7C6=C5CCCN6CCC7)=C5O4)=C(C4=C2CCC3)C=C1C2=[N+]3CCC1)(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.

Solubility Data for Sulforhodamine 101

Solvent Max Conc. mg/mL Max Conc. mM
ethanol 12.13 20
water 30.34 50

Preparing Stock Solutions for Sulforhodamine 101

The following data is based on the product molecular weight 606.71. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
0.5 mM 3.3 mL 16.48 mL 32.96 mL
2.5 mM 0.66 mL 3.3 mL 6.59 mL
5 mM 0.33 mL 1.65 mL 3.3 mL
25 mM 0.07 mL 0.33 mL 0.66 mL

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Product Datasheets for Sulforhodamine 101

Certificate of Analysis / Product Datasheet
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References for Sulforhodamine 101

References are publications that support the biological activity of the product.

Nimmerjahn et al (2004) Sulforhodamine 101 as a specific marker of astroglia in the neocortex in vivo. Nat.Methods 1 31 PMID: 15782150

roth et al (2014) Transcranial amelioration of inflammation and cell death after brain injury. Nature 505 223 PMID: 24317693

If you know of a relevant reference for Sulforhodamine 101, please let us know.

Keywords: Sulforhodamine 101, Sulforhodamine 101 supplier, specific, astrocyte, marker, astroglial, fluorescent, dye, labeling, labelling, labels, Labels, and, Stains, Neuron, Astrocyte, Probes, 5146, Tocris Bioscience

1 Citation for Sulforhodamine 101

Citations are publications that use Tocris products. Selected citations for Sulforhodamine 101 include:

Lezmy et al (2021) Astrocyte Ca 2+-evoked ATP release regulates myelinated axon excitability and conduction speed Science 374 eabh2858 PMID: 34648330

Do you know of a great paper that uses Sulforhodamine 101 from Tocris? Please let us know.

Reviews for Sulforhodamine 101

Average Rating: 5 (Based on 1 Review.)

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Selectively labels astrocytes.
By Karthik Krishnamurthy on 11/15/2021
Assay Type: In Vitro
Species: Rat
Cell Line/Tissue: Cortical astrocytes

2 week old cultured cortical astrocytes labeled with 500 nM sulforhodamine 101 for 10 minutes.

review image

Literature in this Area

Tocris offers the following scientific literature in this area to showcase our products. We invite you to request* your copy today!

*Please note that Tocris will only send literature to established scientific business / institute addresses.

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