CAS 18623-60-4 appears in our catalog under these names: 4-(4-oxo-2-Thioxothiazolidin-3-yl)butanoic acid 95%, 4-(4-Oxo-2-thioxo-thiazolidin-3-yl)-butyric acid, 95%, 4-(4-oxo-2-Thioxothiazolidin-3-yl)butanoic acid, 95%, 95%, 4-(4-Oxo-2-sulfanylidene-1,3-thiazolidin-3-yl)butanoic acid, 95%. Offered by: Ambeed, Combi-blocks, Chemat, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g, 50mg, 500mg.