tert-Butyl 2-(methylthio)-4-oxo-3,5,7,8-tetrahydropyrido[4,3-d]pyrimidine-6(4H)-carboxylate CAS 344958-26-5

Purity 97%+In StockPharmaceutical Standards
CAS No.344958-26-5
Molecular FormulaC13H19N3O3S
Molecular Weight297.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

tert-Butyl 2-(methylthio)-4-oxo-3,5,7,8-tetrahydropyrido[4,3-d]pyrimidine-6(4H)-carboxylate CAS 344958-26-5 chemical structure

Description

tert-Butyl 2-(methylthio)-4-oxo-3,5,7,8-tetrahydropyrido[4,3-d]pyrimidine-6(4H)-carboxylate (CAS 344958-26-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H19N3O3S. Molecular weight: 297.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC13H19N3O3S
Molecular Weight297.37 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3
Sulfur Atoms1

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