tert-Butyl (6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-6-yl)carbamate CAS 2238821-33-3

Purity 97%+In StockPharmaceutical Standards
CAS No.2238821-33-3
Molecular FormulaC11H17N3O3
Molecular Weight239.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

tert-Butyl (6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-6-yl)carbamate CAS 2238821-33-3 chemical structure

Description

tert-Butyl (6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-6-yl)carbamate (CAS 2238821-33-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H17N3O3. Molecular weight: 239.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC11H17N3O3
Molecular Weight239.27 g/mol
AppearanceOff-white to pale yellow crystalline powder
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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1998
Nitrogen Atoms3

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