1,8-Dimethoxy-9,10-bis(phenylethynyl)anthracene CAS 80034-24-8

Purity 97%+In StockPharmaceutical Standards
CAS No.80034-24-8
Molecular FormulaC32H22O2
Molecular Weight438.52 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,8-Dimethoxy-9,10-bis(phenylethynyl)anthracene CAS 80034-24-8 chemical structure

Description

1,8-Dimethoxy-9,10-bis(phenylethynyl)anthracene (CAS 80034-24-8) is a high-purity analytical reference standard with the molecular formula C32H22O2 and a molecular weight of 438.52 g/mol.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 1,8-Dimethoxy-9,10-bis(phenylethynyl)anthracene is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 438.52 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 FormulaC32H22O2
Molecular Weight438.52 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light
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)22.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1979

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