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Basic Information
CAS No.: 120279-26-7
Name: 5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide
Molecular Structure:
Molecular Structure of 120279-26-7 (5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide)
Formula: C8H11NO5S3
Molecular Weight: 297.37
Synonyms: INTERMEDIATE FOR DORZOLAMIDE;5,6-DIHYDRO-4H-4-HYDROXY-6-METHYL THIENO [2,3,B] THIOPYRAN-2-SULFONAMIDE-7,7-DIOXIDE;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
Density: 1.668 g/cm3
Melting Point: 194-196?C
Boiling Point: 624.6 °C at 760 mmHg
Flash Point: 331.5 °C
PSA: 159.53000
LogP: 2.85670
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Chemistry

Molecular Structure of 5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide (CAS NO.120279-26-7):

Empirical Formula: C8H11NO5S3
Molecular Weight: 297.3716
H bond acceptors: 6
H bond donors: 3
Freely Rotating Bonds: 2
Polar Surface Area: 159.53 Å2
Index of Refraction: 1.638
Molar Refractivity: 64.11 cm3
Molar Volume: 178.2 cm3
Surface Tension: 71.1 dyne/cm
Density: 1.668 g/cm3
Flash Point: 331.5 °C
Enthalpy of Vaporization: 97.22 kJ/mol
Boiling Point: 624.6 °C at 760 mmHg
Vapour Pressure: 1.83E-16 mmHg at 25°C
Product Categories: intermidiate of Dorzolamide

Specification

  5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide , with CAS number of 120279-26-7, can be called Intermediate for dorzolamide ; 5,6-dihydro-4h-4-hydroxy-6-methyl thieno [2,3,b] thiopyran-2-sulfonamide-7,7-dioxide ; 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 .