Dimethyl 9,10-dihydro-9,10-ethenoanthracene-11,12-dicarboxylate CAS 1625-82-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1625-82-7
Molecular FormulaC20H16O4
Molecular Weight320.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Dimethyl 9,10-dihydro-9,10-ethenoanthracene-11,12-dicarboxylate CAS 1625-82-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 320.34 g/mol gives Dimethyl 9,10-dihydro-9,10-ethenoanthracene-11,12-dicarboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Dimethyl 9,10-dihydro-9,10-ethenoanthracene-11,12-dicarboxylate (CAS 1625-82-7) is a high-purity analytical reference standard with the molecular formula C20H16O4 and a molecular weight of 320.34 g/mol.

Based on its molecular formula C20H16O4, Dimethyl 9,10-dihydro-9,10-ethenoanthracene-11,12-dicarboxylate contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 320.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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), Dimethyl 9,10-dihydro-9,10-ethenoanthracene-11,12-dicarboxylate 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 FormulaC20H16O4
Molecular Weight320.34 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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