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CAY10731 is a fluorescent probe for hydrogen sulfide (H2S).[1] Upon reaction with H2S, fluorescein (FITC) is released and its fluorescence can be used to detect H2S. FITC displays excitation/emission maxima of 485/535 nm, respectively. CAY10731 is selective for H2S over glutathione (GSH), cysteine, H2O3-, SO3-, and H2O2 as well as tBuO and OH radicals. It has been used to detect H2S in rat hippocampal slices and nematodes.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $159 | 35 days | 35 days | |
| 5 mg | $663 | 35 days | 35 days | |
| 10 mg | $1,080 | 35 days | 35 days | |
| 25 mg | $2,300 | 35 days | 35 days |
| Description | CAY10731 is a fluorescent probe for hydrogen sulfide (H2S).[1] Upon reaction with H2S, fluorescein (FITC) is released and its fluorescence can be used to detect H2S. FITC displays excitation/emission maxima of 485/535 nm, respectively. CAY10731 is selective for H2S over glutathione (GSH), cysteine, H2O3-, SO3-, and H2O2 as well as tBuO and OH radicals. It has been used to detect H2S in rat hippocampal slices and nematodes. |
| Molecular Weight | 497.297 |
| Formula | C24H17BrO7 |
| Cas No. | 2119597-33-8 |
| Smiles | COc1ccc2c(Oc3cc(OC(=O)OCCBr)ccc3C22OC(=O)c3ccccc23)c1 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||||||||||||
| Solubility Information | DMF: 30 mg/mL (60.33 mM), Sonication is recommended. DMSO: 30 mg/mL (60.33 mM), Sonication is recommended. | ||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||
DMF/DMSO
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Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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