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· · COA & SDS available for every product · Same-day shipping on in-stock items Ethyl 4-hydroxy-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carboxylate - ≥97% , CAS No.99429-68-2 🧪
Why this grade ≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Room temperature Ships Normal 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 Specifications & Purity
≥97%
Names and Identifiers Canonical Smiles CCOC(=O)C1=C(C2=C(NC1=O)SC=C2)O IUPAC Name ethyl 4-hydroxy-6-oxo-7H-thieno[2,3-b]pyridine-5-carboxylate InChIKey RODNASQPMSZQGR-UHFFFAOYSA-N INCHI 1S/C10H9NO4S/c1-2-15-10(14)6-7(12)5-3-4-16-9(5)11-8(6)13/h3-4H,2H2,1H3,(H2,11,12,13) Isomeric SMILES CCOC(=O)C1=C(C2=C(NC1=O)SC=C2)O Molecular Weight 239.25 Reaxy-Rn 6726877 Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=6726877&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 3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Molecular Weight 239.250 g/mol XLogP3 1.700 Hydrogen Bond Donor Count 2 Hydrogen Bond Acceptor Count 5 Rotatable Bond Count 3 Exact Mass 239.025 Da Monoisotopic Mass 239.025 Da Topological Polar Surface Area 104.000 Ų Heavy Atom Count 16 Formal Charge 0 Complexity 366.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 0 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 1
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