3-Ethylisoxazolo[5,4-d]pyrimidin-4(5H)-one CAS 175348-11-5

Purity 97%+In StockPharmaceutical Standards
CAS No.175348-11-5
Molecular FormulaC7H7N3O2
Molecular Weight165.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Ethylisoxazolo[5,4-d]pyrimidin-4(5H)-one CAS 175348-11-5 chemical structure

Description

3-Ethylisoxazolo[5,4-d]pyrimidin-4(5H)-one (CAS 175348-11-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H7N3O2. Molecular weight: 165.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC7H7N3O2
Molecular Weight165.15 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
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.)2007
Nitrogen Atoms3

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