2-Ethyl 5-methyl 3-aminothieno[2,3-b]pyridine-2,5-dicarboxylate CAS 1221723-58-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1221723-58-5
Molecular FormulaC12H12N2O4S
Molecular Weight280.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Ethyl 5-methyl 3-aminothieno[2,3-b]pyridine-2,5-dicarboxylate CAS 1221723-58-5 chemical structure

Description

2-Ethyl 5-methyl 3-aminothieno[2,3-b]pyridine-2,5-dicarboxylate (CAS 1221723-58-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H12N2O4S. Molecular weight: 280.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC12H12N2O4S
Molecular Weight280.30 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms2
Sulfur Atoms1

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