Ethyl 2-hydroxy-2-(2-oxodihydro-2H-pyran-3(4H)-ylidene)acetate CAS 110977-72-5

Description

Compared with other compounds in its class, the molecular weight of 200.19 g/mol gives Ethyl 2-hydroxy-2-(2-oxodihydro-2H-pyran-3(4H)-ylidene)acetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Ethyl 2-hydroxy-2-(2-oxodihydro-2H-pyran-3(4H)-ylidene)acetate (CAS 110977-72-5) is a high-purity analytical reference standard with the molecular formula C9H12O5 and a molecular weight of 200.19 g/mol.

Based on its molecular formula C9H12O5, Ethyl 2-hydroxy-2-(2-oxodihydro-2H-pyran-3(4H)-ylidene)acetate 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 200.19 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures Ethyl 2-hydroxy-2-(2-oxodihydro-2H-pyran-3(4H)-ylidene)acetate 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

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