21898-84-0 4-oxahomoadamantan-5-one 4-oxatricyclo[4.3.1.1(3,8)]undecan-5-one CHEBI:20462 CAS 21898-84-0

Purity 97%+In StockPharmaceutical Standards
CAS No.21898-84-0
Molecular FormulaC10H14O2
Molecular Weight166.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

21898-84-0
4-oxahomoadamantan-5-one
4-oxatricyclo[4.3.1.1(3,8)]undecan-5-one
CHEBI:20462 CAS 21898-84-0 chemical structure

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

21898-84-0 4-oxahomoadamantan-5-one 4-oxatricyclo[4.3.1.1(3,8)]undecan-5-one CHEBI:20462 (CAS 21898-84-0) is a high-purity analytical reference standard with the molecular formula C10H14O2 and a molecular weight of 166.22 g/mol.

Structurally, 21898-84-0 4-oxahomoadamantan-5-one 4-oxatricyclo[4.3.1.1(3,8)]undecan-5-one CHEBI:20462 (C10H14O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 166.22 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

CATO manufactures 21898-84-0 4-oxahomoadamantan-5-one 4-oxatricyclo[4.3.1.1(3,8)]undecan-5-one CHEBI:20462 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC10H14O2
Molecular Weight166.22 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963

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