4-Oxospiro[2.5]octane-1-carboxylic acid CAS 844695-97-2

Purity 97%+In StockPharmaceutical Standards
CAS No.844695-97-2
Molecular FormulaC9H12O3
Molecular Weight168.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Oxospiro[2.5]octane-1-carboxylic acid CAS 844695-97-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 168.19 g/mol gives 4-Oxospiro[2.5]octane-1-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4-Oxospiro[2.5]octane-1-carboxylic acid (CAS 844695-97-2), a certified reference material (molecular formula C9H12O3, MW 168.19 g/mol) for analytical method development and quality control.

Structurally, 4-Oxospiro[2.5]octane-1-carboxylic acid (C9H12O3) 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 168.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

CATO manufactures 4-Oxospiro[2.5]octane-1-carboxylic acid 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 FormulaC9H12O3
Molecular Weight168.19 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987

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