1-[2-amino-3-(4-methylbenzoyl)-4H,5H,6H,7H-thieno[2,3-c]pyridin-6-yl]ethan-1-one CAS 1256257-71-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1256257-71-2
Molecular FormulaC17H18N2O2S
Molecular Weight314.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-[2-amino-3-(4-methylbenzoyl)-4H,5H,6H,7H-thieno[2,3-c]pyridin-6-yl]ethan-1-one CAS 1256257-71-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 314.40 g/mol gives 1-[2-amino-3-(4-methylbenzoyl)-4H,5H,6H,7H-thieno[2,3-c]pyridin-6-yl]ethan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-[2-amino-3-(4-methylbenzoyl)-4H,5H,6H,7H-thieno[2,3-c]pyridin-6-yl]ethan-1-one (CAS 1256257-71-2) is a high-purity analytical reference standard with the molecular formula C17H18N2O2S and a molecular weight of 314.40 g/mol.

1-[2-amino-3-(4-methylbenzoyl)-4H,5H,6H,7H-thieno[2,3-c]pyridin-6-yl]ethan-1-one (C17H18N2O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC17H18N2O2S
Molecular Weight314.40 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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms2
Sulfur Atoms1

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