Ethyl 5-methyl-4-oxo-1,4-dihydrothieno[3,4-d]pyrimidine-7-carboxylate CAS 5479-43-6

Purity 97%+In StockPharmaceutical Standards
CAS No.5479-43-6
Molecular FormulaC10H10N2O3S
Molecular Weight238.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 5-methyl-4-oxo-1,4-dihydrothieno[3,4-d]pyrimidine-7-carboxylate CAS 5479-43-6 chemical structure

Description

Ethyl 5-methyl-4-oxo-1,4-dihydrothieno[3,4-d]pyrimidine-7-carboxylate (CAS 5479-43-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H10N2O3S. Molecular weight: 238.26 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC10H10N2O3S
Molecular Weight238.26 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms2
Sulfur Atoms1

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