Sulforhodamine 101 sulfonyl chloride

Product ID: M1120

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Reactive red fluorophore which couples covalently to amino groups on proteins and other compounds. Suitable for use with FITC in dual parameter flow cytometry studies. Equivalent to Texas Red™.

This reactive dye which can be used to couple to amine or other nucleophilic groups in proteins or lipids is suitable for use with FITC in dual parameter flow cytometry studies. SR101 is equivalent to Texas Red™ sulfonyl chloride.

Technical Data
SKU M1120
CAS Number 82354-19-6
Unit Size 5mg
Emission Wavelength 605
Detection Method Fluorescence
Molecular Formula C₃₁H₂₉ClN₂O₆S₂
Molecular Weight 625.17
Soluble In DMF
Storage Conditions -20C, Desiccated, Protect From Light
Notes Ex= 586nm

References and Citations


  • "Fluorescence-based high content screening of compounds for functional response or pharmacological properties." Hill, Steven John; Kellam, Barrie; Briddon, Stephen John. PCT Int. Appl. : 68 pp (2006).
  • "Polymers for analyte detection by FRET fluorometry." Swager, Timothy M.; Seeberger, Peter H.; Zheng, Juan; Disney, Matthew D. PCT Int. Appl. : 56 pp (2006).
  • "Fluorescence polarization assays for determining clostridial toxin activity." Williams, Dudley J.; Gilmore, Marcella; Steward, Lance; Verhagen, Marc; Aoki, Kei Roger. U.S. Pat. Appl. Publ. : 65 pp. (2006).
  • "A quantitative fluorescent method for measurement of bacterial adherence and phagocytosis." Sveum R J; Chused T M; Frank M M; Brown E J. Journal of immunological methods .: 90(2): 257-64 (1986).
  • "Texas Red, a hydrophilic, red-emitting fluorophore for use with fluorescein in dual parameter flow microfluorometric and fluorescence microscopic studies." Titus J A; Haugland R; Sharrow S O; Segal D M. Journal of immunological methods 50(2): 193-204 (1982).
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