Ethyl 2-((4-oxo-3-phenyl-4H-pyrazino[1,2-a]pyrimidin-2-yl)oxy)butanoate CAS 21271-35-2

Purity 97%+In StockPharmaceutical Standards
CAS No.21271-35-2
Molecular FormulaC19H19N3O4
Molecular Weight353.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 2-((4-oxo-3-phenyl-4H-pyrazino[1,2-a]pyrimidin-2-yl)oxy)butanoate CAS 21271-35-2 chemical structure

Description

CATO supplies Ethyl 2-((4-oxo-3-phenyl-4H-pyrazino[1,2-a]pyrimidin-2-yl)oxy)butanoate (CAS 21271-35-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H19N3O4. Molecular weight: 353.37 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC19H19N3O4
Molecular Weight353.37 g/mol
AppearancePale yellow to yellow crystalline powder
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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms3

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