4,5,9,10-Tetrabromobenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone CAS 943148-76-3

Purity 97%+In StockPharmaceutical Standards
CAS No.943148-76-3
Molecular FormulaC14H2Br4N2O4
Molecular Weight581.79 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,5,9,10-Tetrabromobenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone CAS 943148-76-3 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,5,9,10-Tetrabromobenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone.

4,5,9,10-Tetrabromobenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (CAS 943148-76-3), molecular formula C14H2Br4N2O4 and molecular weight 581.79 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C14H2Br4N2O4, 4,5,9,10-Tetrabromobenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 581.79 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), 4,5,9,10-Tetrabromobenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone 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 FormulaC14H2Br4N2O4
Molecular Weight581.79 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentBr-containing
Nitrogen Atoms2

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