HKSOX-1r (5/6-mixture)

For research use only. Not for therapeutic Use.

  • CAT Number: I045484
  • Molecular Formula: C29H15F10NO14S2
  • Molecular Weight: 855.54
  • Purity: ≥95%
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HKSOX-1r (Cat No.: I045484) is a ratiometric fluorescent probe specifically designed for the detection of reactive sulfur species, particularly hydrogen sulfide (H₂S), in biological systems. It employs a sulfur–oxygen exchange (SOX) reaction mechanism, producing a measurable fluorescence ratio change upon H₂S interaction. This ratiometric approach allows more accurate and quantitative analysis by minimizing environmental and instrumental variability. HKSOX-1r is widely used in chemical biology and biomedical research to study H₂S signaling, redox regulation, and its physiological or pathological roles in cardiovascular, neurological, and inflammatory processes.


Synonyms

methyl 2-[(2-methoxy-2-oxoethyl)-[2′,4′,5′,7′-tetrafluoro-1-oxo-3′,6′-bis(trifluoromethylsulfonyloxy)spiro[2-benzofuran-3,9′-xanthene]-5-carbonyl]amino]acetate;methyl 2-[(2-methoxy-2-oxoethyl)-[2′,4′,5′,7′-tetrafluoro-3-oxo-3′,6′-bis(trifluoromethylsulfonyloxy)spiro[2-benzofuran-1,9′-xanthene]-5-carbonyl]amino]acetate

Molecular Formula C29H15F10NO14S2
Purity ≥95%
InChI InChI=1S/2C29H15F10NO14S2/c1-49-17(41)8-40(9-18(42)50-2)25(43)10-3-4-12-11(5-10)26(44)52-27(12)13-6-15(30)23(53-55(45,46)28(34,35)36)19(32)21(13)51-22-14(27)7-16(31)24(20(22)33)54-56(47,48)29(37,38)39;1-49-17(41)8-40(9-18(42)50-2)25(43)10-3-4-11-12(5-10)27(52-26(11)44)13-6-15(30)23(53-55(45,46)28(34,35)36)19(32)21(13)51-22-14(27)7-16(31)24(20(22)33)54-56(47,48)29(37,38)39/h2*3-7H,8-9H2,1-2H3
InChIKey OFMLXQFBPXOWPN-UHFFFAOYSA-N
SMILES COC(=O)CN(CC(=O)OC)C(=O)C1=CC2=C(C=C1)C3(C4=CC(=C(C(=C4OC5=C(C(=C(C=C53)F)OS(=O)(=O)C(F)(F)F)F)F)OS(=O)(=O)C(F)(F)F)F)OC2=O.COC(=O)CN(CC(=O)OC)C(=O)C1=CC2=C(C=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)F)OS(=O)(=O)C(F)(F)F)F)F)OS(=O)(=O)C(F)(F)F)F
Reference

[1]. Hu JJ, et, al. Fluorescent Probe HKSOX-1 for Imaging and Detection of Endogenous Superoxide in Live Cells and In Vivo. J Am Chem Soc. 2015 Jun 3;137(21):6837-43.
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