Sulforhodamine 101 acid chloride

Pricing Availability Delivery Time Qty
Cat.No. 5442 - Sulforhodamine 101 acid chloride | C31H29ClN2O6S2 | CAS No. 82354-19-6
Description: Fluorescent reagent for the labeling of amines
Chemical Name: 9-[4-(Chlorosulfonyl)-2-sulfophenyl]-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

Biological Activity

Fluorescent reagent for the labeling of amines. Excitation maximum ~ 588 nm; emission maximum ~ 601 nm. Sulforhodamine 101 (Cat. No. 5146) also available.

Technical Data

M. Wt 625.15
Formula C31H29ClN2O6S2
Storage Store at -20°C
CAS Number 82354-19-6
PubChem ID 452705
Smiles O=S(C1=CC(S(=O)(Cl)=O)=CC=C1C2=C(C=C3C4=C5CCCN4CCC3)C5=[O+]C6=C(CCCN7CCC8)C7=C8C=C62)([O-])=O

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

All Tocris products are intended for laboratory research use only.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
ethanol 62.51 100

Preparing Stock Solutions

The following data is based on the product molecular weight 625.15. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.6 mL 8 mL 16 mL
5 mM 0.32 mL 1.6 mL 3.2 mL
10 mM 0.16 mL 0.8 mL 1.6 mL
50 mM 0.03 mL 0.16 mL 0.32 mL

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Product Datasheets

Safety Datasheet


References are publications that support the products' biological activity.

Schneider et al (2013) Selective detection of allosteric phosphatase inhibitors. J.Am.Chem.Soc. 135 6838 PMID: 23611635

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Keywords: Sulforhodamine 101 acid chloride, supplier, fluorescent, reagents, labeling, amines, Fluorescent, Dyes, Fluorescent, Dyes, Tocris Bioscience

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