5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-Dioxide - ≥95% , CAS No.120279-26-7

CAS: 120279-26-7 Cat. No.: D352422 Molecular Weight: 297.372 EC Number: 601-691-7
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
AKOS015898688 | EX-A8006T | 5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno(2,3-b)thiopyran-2-sulfonamide 7,7-dioxide | DTXSID80559768 | 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,
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5mg
D352422-5mg
3

$166.90

$228.90
Save $62.00 (27.09%)
10mg
D352422-10mg
3

$317.90

$410.90
Save $93.00 (22.63%)
25mg
D352422-25mg
2

$661.90

$923.90
Save $262.00 (28.36%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
AKOS015898688 | EX-A8006T | 5, 6-Dihydro-4-hydroxy-6-methyl-4H-thieno(2, 3-b)thiopyran-2-sulfonamide 7, 7-dioxide | DTXSID80559768 | 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,
Specifications & Purity
≥95%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504767627
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504767627
Canonical SmilesCC1CC(C2=C(S1(=O)=O)SC(=C2)S(=O)(=O)N)O
IUPAC Name4-hydroxy-6-methyl-7,7-dioxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide
InChIKeyZXSUWHJGLUHKPC-UHFFFAOYSA-N
INCHI1S/C8H11NO5S3/c1-4-2-6(10)5-3-7(17(9,13)14)15-8(5)16(4,11)12/h3-4,6,10H,2H2,1H3,(H2,9,13,14)
Isomeric SMILES CC1CC(C2=C(S1(=O)=O)SC(=C2)S(=O)(=O)N)O
Molecular Weight 297.372
Reaxy-Rn 13504757
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13504757&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassThiophenes
Subclass2,3,5-trisubstituted thiophenes
Intermediate Tree Nodes Not available
Direct Parent2,3,5-trisubstituted thiophenes
Alternative Parents Thiopyrans  Organosulfonamides  Sulfones  Heteroaromatic compounds  Aminosulfonyl compounds  Secondary alcohols  Organic oxides  Organic nitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents 2,3,5-trisubstituted thiophene - Organosulfonic acid amide - Thiopyran - Sulfone - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Sulfonyl - Aminosulfonyl compound - Heteroaromatic compound - Secondary alcohol - Organic nitrogen compound - Organooxygen compound - Organosulfur compound - Organic oxygen compound - Organic oxide - Alcohol - Hydrocarbon derivative - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 2,3,5-trisubstituted thiophenes. These are organic compounds containing a thiophene that is trisubstituted at the C-2, C3- and C5-positions.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot NumberCertificate TypeDateItem
I2220362Certificate of AnalysisJul 21, 2025 D352422
I2220472Certificate of AnalysisJul 21, 2025 D352422
I2220473Certificate of AnalysisJul 21, 2025 D352422
Chemical and Physical Properties
SolubilityEthanol (Slightly, Heated), Methanol (Slightly, Sonicated)
Melt Point(°C)194-196˚C
Molecular Weight297.400 g/mol
XLogP3-0.200
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count7
Rotatable Bond Count1
Exact Mass296.98 Da
Monoisotopic Mass296.98 Da
Topological Polar Surface Area160.000 Ų
Heavy Atom Count17
Formal Charge0
Complexity502.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count2
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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