2-((6-Methyl-4-oxo-4H-pyran-3-yl)oxy)acetic acid CAS 66313-25-5

Purity 97%+In StockPharmaceutical Standards
CAS No.66313-25-5
Molecular FormulaC8H8O5
Molecular Weight184.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-((6-Methyl-4-oxo-4H-pyran-3-yl)oxy)acetic acid CAS 66313-25-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 184.15 g/mol gives 2-((6-Methyl-4-oxo-4H-pyran-3-yl)oxy)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-((6-Methyl-4-oxo-4H-pyran-3-yl)oxy)acetic acid (CAS 66313-25-5), molecular formula C8H8O5 and molecular weight 184.15 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H8O5, 2-((6-Methyl-4-oxo-4H-pyran-3-yl)oxy)acetic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 184.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).

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.

As a certified reference material (CRM), 2-((6-Methyl-4-oxo-4H-pyran-3-yl)oxy)acetic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC8H8O5
Molecular Weight184.15 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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975

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