5,6-Dihydro-4-hydroxy-6-methyl-4H-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 Structure
CAS No.
120279-26-7
Chemical Name:
5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide
Synonyms
Dorzolamide Impurity 8;Tizanidine Impurity 13;Dorzolamide Impurity 11;Dorzolamide intermediate;INTERMEDIATE FOR DORZOLAMIDE;4H-Thieno[2,3-b]thiopyran-2-sulfonamide,;4-hydroxy-6-methyl-7,7-dioxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide;5,6-DIHYDRO-4-HYDROXY-6-METHYL-4H-THIENO[2,3-B]THIOPYRAN-2-SULFONAMIDE 7,7-DIOXIDE;4-hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide;5,6-Dihydro-4h-4-hydrox-6-Methyl theino [2,3-b]thiopyran-2-sulphonaMide-7-7-dioxide
CBNumber:
CB51012986
Molecular Formula:
C8H11NO5S3
Molecular Weight:
297.37
MOL File:
120279-26-7.mol
MSDS File:
SDS
Modify Date:
2023/5/4 15:12:09

5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide 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
solubility Ethanol (Slightly, Heated), Methanol (Slightly, Sonicated)
form Solid
pka 9.39±0.60(Predicted)
color White to Off-White

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P

5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide Chemical Properties,Uses,Production

Chemical Properties

White Solid

Uses

Dorzolamide intermediate.

5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide Preparation Products And Raw materials

Raw materials

Preparation Products

5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide Suppliers

Global( 65)Suppliers
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asaivishwa +91-912241276501 +91-2241276501 Maharashtra, India 21 58 Inquiry
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Dayang Chem (Hangzhou) Co.,Ltd. 571-88938639 +8617705817739 China 52861 58 Inquiry
PT CHEM GROUP LIMITED +86-85511178 +86-85511178 China 35451 58 Inquiry
5,6-DIHYDRO-4-HYDROXY-6-METHYL-4H-THIENO[2,3-B]THIOPYRAN-2-SULFONAMIDE 7,7-DIOXIDE INTERMEDIATE FOR DORZOLAMIDE 5,6-DIHYDRO-4H-4-HYDROXY-6-METHYL 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 4-hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide tert-butyl –[E]-(6-{2-[4-(4-fluoro phenyl]-6-isopropyl-2-[methyl(methyl sulfonyl)amino]pyrimidin-5-yl]vinyl}-(4R,6S)-2,2-dimethyl[1,3]dioxin-4-yl)acetate 4-hydroxy-6-methyl-7,7-dioxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide Dorzolamide Impurity 11 Dorzolamide Impurity 8 Dorzolamide Impurity 10/5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-Dioxide 4H-Thieno[2,3-b]thiopyran-2-sulfonamide, 5,6-dihydro-4-hydroxy-6-methyl-, 7,7-dioxide (9CI, ACI) 5,6-dihydro-4-hydroxy-6-methyl-4H-Thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide (9CI ACI) Tizanidine Impurity 13 120279-26-7 C8H11NO5S3 intermidiate of Dorzolamide Aromatics Heterocycles Intermediates & Fine Chemicals Pharmaceuticals Sulfur & Selenium Compounds