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Hydrogen sulfide (H2S) is an important gaseous mediator, like nitric oxide, that has significant effects on the immunological, neurological, cardiovascular and pulmonary systems of mammals. WSP-5 is a turn-on fluorescent probe for hydrogen sulfide (H2S). Upon reaction with H2S, WSP-5 releases a fluorophore that displays excitation/emission maxima of 502/525 nm, respectively. WSP-5 exhibits a faster turn-on rate and a more sensitive detection limit toward H2S than WSP-1 (Cay-11179).Formal Name: 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl bis(2-(pyridin-2-yldisulfanyl)benzoate). CAS Number: 1593024-78-2. Synonyms: Washington State Probe-5. Molecular Formula: C44H26N2O7S4. Formula Weight: 822.9. Purity: >95%. Emission: 525 nm. Excitation: 502 nm. Formulation: (Request formulation change), A crystalline solid. Solubility: DMF: 30 mg/ml, DMSO: 25 mg/ml. lambdamax: 225 nm. SMILES: O=C(OC1=CC=C2C(OC3=C(C24C5=CC=CC=C5C(O4)=O)C=CC(OC(C6=CC=CC=C6SSC7=CC=CC=N7)=O)=C3)=C1)C8=C(SSC9=NC=CC=C9)C=CC=C8. InChi Code: InChI=1S/C44H26N2O7S4/c47-41(30-12-2-5-15-37(30)54-56-39-17-7-9-23-45-39)50-27-19-21-33-35(25-27)52-36-26-28(20-22-34(36)44(33)32-14-4-1-11-29(32)43(49)53-44)51-42(48)31-13-3-6-16-38(31)55-57-40-18-8-10-24-46-40/h1-26H. InChi Key: DSMMZTASSIAQPQ-UHFFFAOYSA-N.
Keywords:
Washington State Probe-5, 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl bis(2-(pyridin-2-yldisulfanyl)benzoate)
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