CAS 521972-99-6 appears in our catalog under these names: Protonstatin-1/ 99.77% (existing batch purity), (5Z)-5-((Furan-2-yl)methylidene)-2-sulfanylidene-1,3-thiazolidin-4-one, Protonstatin-1, Protonstatin-1, 98.47%. Offered by: TargetMol, Biosynth, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 500mg, 0,1g.