Product Name: 5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide Synonyms: INTERMEDIATE FOR DORZOLAMIDE;5,6-DIHYDRO-4H-4-HYDROXY-6-METHYL THIENO [2,3,B] THIOPYRAN-2-SULFONAMIDE-7,7-DIOXIDE;Dorzolamide Impurity 8;5,6-DIHYDRO-4-HYDROXY-6-METHYL-4H-THIENO[2,3-B]THIOPYRAN-2-SULFONAMIDE 7,7-DIOXIDE;4H-Thieno[2,3-b]thiopyran-2-sulfonamide,;4H-Thieno[2,3-b]thiopyran-2-sulfonamide,5,6-dihydro-4-hydroxy-6-methyl-, 7,7-dioxide;Dorzolamide intermediate;5,6-Dihydro-4h-4-hydrox-6-Methyl theino [2,3-b]thiopyran-2-sulphonaMide-7-7-dioxide CAS: 120279-26-7 MF: C8H11NO5S3 MW: 297.375 EINECS: Product Categories: intermidiate of Dorzolamide;Aromatics;Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals;Sulfur & Selenium Compounds Mol File: 120279-26-7.mol 5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide Structure 5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide Chemical Properties Melting point 194-196?C Boiling point 624.6±65.0 °C(Predicted) density 1.668±0.06 g/cm3(Predicted) storage temp. Refrigerator pka 9.39±0.60(Predicted)