2-(Dihydro-2H-pyran-4(3H)-ylidene)acetic Acid CAS 130312-01-5

Purity 97%+In StockPharmaceutical Standards
CAS No.130312-01-5
Molecular FormulaC7H10O3
Molecular Weight142.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(Dihydro-2H-pyran-4(3H)-ylidene)acetic Acid CAS 130312-01-5 chemical structure

Description

The occurrence of 2-(Dihydro-2H-pyran-4(3H)-ylidene)acetic Acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2-(Dihydro-2H-pyran-4(3H)-ylidene)acetic Acid (CAS 130312-01-5) is a high-purity analytical reference standard with the molecular formula C7H10O3 and a molecular weight of 142.15 g/mol.

Based on its molecular formula C7H10O3, 2-(Dihydro-2H-pyran-4(3H)-ylidene)acetic Acid contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 142.15 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC7H10O3
Molecular Weight142.15 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1994

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