tert-Butyl 8-oxo-1-azaspiro[4.4]non-6-ene-1-carboxylate CAS 157138-05-1

Purity 97%+In StockPharmaceutical Standards
CAS No.157138-05-1
Molecular FormulaC13H19NO3
Molecular Weight237.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

tert-Butyl 8-oxo-1-azaspiro[4.4]non-6-ene-1-carboxylate CAS 157138-05-1 chemical structure

Description

tert-Butyl 8-oxo-1-azaspiro[4.4]non-6-ene-1-carboxylate (CAS 157138-05-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H19NO3. Molecular weight: 237.29 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC13H19NO3
Molecular Weight237.29 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 chloroform, dichloromethane, ethyl acetate, 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.)2001
Nitrogen Atoms1

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