1,2-Bis(diphenylmethylene)-1,2-dihydrocyclobuta[b]quinoxaline CAS 33176-25-9

Purity 97%+In StockPharmaceutical Standards
CAS No.33176-25-9
Molecular FormulaC36H24N2
Molecular Weight484.59 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,2-Bis(diphenylmethylene)-1,2-dihydrocyclobuta[b]quinoxaline CAS 33176-25-9 chemical structure

Description

1,2-Bis(diphenylmethylene)-1,2-dihydrocyclobuta[b]quinoxaline (CAS 33176-25-9) is a high-purity analytical reference standard with the molecular formula C36H24N2 and a molecular weight of 484.59 g/mol.

Based on its molecular formula C36H24N2, 1,2-Bis(diphenylmethylene)-1,2-dihydrocyclobuta[b]quinoxaline contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 484.59 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 1,2-Bis(diphenylmethylene)-1,2-dihydrocyclobuta[b]quinoxaline 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 FormulaC36H24N2
Molecular Weight484.59 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)26.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966
Nitrogen Atoms2

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