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Submit ReviewSulforhodamine 101 acid chloride
Description: Red fluorescent dye; amine reactive
Alternative Names: Texas Red
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
Red fluorescent dye for the labeling of amines. Excitation maximum ~ 588 nm; emission maximum ~ 601 nm. Sulforhodamine 101 (Cat. No. 5146) also available.
Optical Data for Sulforhodamine 101 acid chloride
| Emission Color | Orange |
|---|---|
| λabs | 588 nm |
| λem | 601 nm |
| Extinction Coefficient (ε) | 88000 M-1cm-1 |
| Reactivity | Primary amines |
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Use our spectra viewer to interactively plan your experiments, assessing multiplexing options. View the excitation and emission spectra for our fluorescent dye range and other commonly used dyes.
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Technical Data
| M. Wt | 625.15 |
| Formula | C31H29ClN2O6S2 |
| Storage | Store at -20°C |
| CAS Number | 82354-19-6 |
| PubChem ID | 452705 |
| InChI Key | MPLHNVLQVRSVEE-UHFFFAOYSA-N |
| 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.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Solubility Data
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| 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 the degree 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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References
References are publications that support the biological activity of the product.
Schneider et al (2013) Selective detection of allosteric phosphatase inhibitors. J.Am.Chem.Soc. 135 6838 PMID: 23611635
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Citations for Sulforhodamine 101 acid chloride
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