4-Hydroxy-7,8,9-trimethylthieno[2,3-b:4,5-b']dipyridin-2(1H)-one CAS 939888-52-5

Purity 97%+In StockPharmaceutical Standards
CAS No.939888-52-5
Molecular FormulaC13H12N2O2S
Molecular Weight260.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Hydroxy-7,8,9-trimethylthieno[2,3-b:4,5-b']dipyridin-2(1H)-one CAS 939888-52-5 chemical structure

Description

The occurrence of 4-Hydroxy-7,8,9-trimethylthieno[2,3-b:4,5-b']dipyridin-2(1H)-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-Hydroxy-7,8,9-trimethylthieno[2,3-b:4,5-b']dipyridin-2(1H)-one (CAS 939888-52-5) is a high-purity analytical reference standard with the molecular formula C13H12N2O2S and a molecular weight of 260.31 g/mol.

Structurally, 4-Hydroxy-7,8,9-trimethylthieno[2,3-b:4,5-b']dipyridin-2(1H)-one (C13H12N2O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 260.31 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 4-Hydroxy-7,8,9-trimethylthieno[2,3-b:4,5-b']dipyridin-2(1H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC13H12N2O2S
Molecular Weight260.31 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms2
Sulfur Atoms1

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