9-Oxo-3-aza-spiro[5.5]undecane-3-carboxylic acid benzyl ester CAS 1056629-20-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1056629-20-9
Molecular FormulaC18H23NO3
Molecular Weight301.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

9-Oxo-3-aza-spiro[5.5]undecane-3-carboxylic acid benzyl ester CAS 1056629-20-9 chemical structure

Description

9-Oxo-3-aza-spiro[5.5]undecane-3-carboxylic acid benzyl ester (CAS 1056629-20-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H23NO3. Molecular weight: 301.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC18H23NO3
Molecular Weight301.38 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Nitrogen Atoms1

Recommended Standards

Why CATO?