5-Bromopyrimidine-2,4,6(1H,3H,5H)-trione CAS 19645-78-4

Purity 97%+In StockPharmaceutical Standards
CAS No.19645-78-4
Molecular FormulaC4H3BrN2O3
Molecular Weight206.98 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Bromopyrimidine-2,4,6(1H,3H,5H)-trione CAS 19645-78-4 chemical structure

Description

The occurrence of 5-Bromopyrimidine-2,4,6(1H,3H,5H)-trione is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5-Bromopyrimidine-2,4,6(1H,3H,5H)-trione (CAS 19645-78-4) is a high-purity analytical reference standard with the molecular formula C4H3BrN2O3 and a molecular weight of 206.98 g/mol.

Based on its molecular formula C4H3BrN2O3, 5-Bromopyrimidine-2,4,6(1H,3H,5H)-trione contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 206.98 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.

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 FormulaC4H3BrN2O3
Molecular Weight206.98 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
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)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1962
Halogen ContentBr-containing
Nitrogen Atoms2

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