Ethyl 4-(9,10-dioxo-9,10-dihydroanthracen-2-yl)-1,2-oxazole-3-carboxylate CAS 339101-03-0

Purity 97%+In StockPharmaceutical Standards
CAS No.339101-03-0
Molecular FormulaC20H13NO5
Molecular Weight347.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 4-(9,10-dioxo-9,10-dihydroanthracen-2-yl)-1,2-oxazole-3-carboxylate CAS 339101-03-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 347.32 g/mol gives Ethyl 4-(9,10-dioxo-9,10-dihydroanthracen-2-yl)-1,2-oxazole-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Ethyl 4-(9,10-dioxo-9,10-dihydroanthracen-2-yl)-1,2-oxazole-3-carboxylate (CAS 339101-03-0), molecular formula C20H13NO5 and molecular weight 347.32 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Ethyl 4-(9,10-dioxo-9,10-dihydroanthracen-2-yl)-1,2-oxazole-3-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 347.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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 Ethyl 4-(9,10-dioxo-9,10-dihydroanthracen-2-yl)-1,2-oxazole-3-carboxylate 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 FormulaC20H13NO5
Molecular Weight347.32 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

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