Ethyl 2-(4-oxo-6,7-dihydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-3(5H)-yl)acetate CAS 433702-79-5

Purity 97%+In StockPharmaceutical Standards
CAS No.433702-79-5
Molecular FormulaC13H14N2O3S
Molecular Weight278.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 2-(4-oxo-6,7-dihydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-3(5H)-yl)acetate CAS 433702-79-5 chemical structure

Description

Ethyl 2-(4-oxo-6,7-dihydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-3(5H)-yl)acetate (CAS 433702-79-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H14N2O3S. Molecular weight: 278.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC13H14N2O3S
Molecular Weight278.33 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.)2025
Nitrogen Atoms2
Sulfur Atoms1

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