CHF 129.00
In stock
CDX-W0001-M0055 mgCHF 129.00
CDX-W0001-M02525 mgCHF 543.00
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Product Details
Synonyms 3'-Methoxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-6'-yl 2-(pyridin-2-yldisulfanyl)benzoate; Washington State Probe-1
Product Type Chemical


MW 591.65
CAS 1352750-34-5
Source/Host Chemicals Synthetic
Purity Chemicals ≥97% (NMR)
Appearance Off-white to yellow powder
Solubility Soluble in DMSO (2 mg/ml) or DMF (20 mg/ml).
Identity Determined by NMR.
Declaration Manufactured by Chemodex.
Other Product Data

Click here for Original Manufacturer Product Datasheet
Our product description may differ slightly from the original manufacturers product datasheet.

Smiles COC1=CC=C2C(OC3=CC(OC(=O)C4=CC=CC=C4SSC4=CC=CC=N4)=CC=C3C22OC(=O)C3=C2C=CC=C3)=C1
Shipping and Handling
Shipping AMBIENT
Short Term Storage +4°C
Long Term Storage -20°C
Handling Advice Keep cool and dry.
Protect from light and moisture.
Use/Stability Stable for at least 2 years after receipt when stored at -20°C.
MSDS Inquire
Product Specification Sheet
Datasheet Download PDF

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-1 is a reactive disulfide-containing, fluorescent probe designed to detect H2S in biological samples and cells. Through a reaction-based fluorescent turn-on strategy, WSP-1 selectively and rapidly reacts with H2S to generate benzodithiolone and a fluorophore with excitation and emission maxima of 465 and 515 nm, respectively.

Product References

(1) C. Liu, et al.; Angew. Chem. Int. Ed. Engl. 50, 10327 (2011)

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