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Related Experiment Videos

Stability indicating high performance liquid chromatography methods for 5-fluorouridine in aqueous solution

M J Dorta1, O Munguía, J B Fariña

  • 1Departamento Ingeniería Química y Tecnología Farmacéutica, Facultad de Farmacia, Universidad de La Laguna, Tenerife, Spain.

Arzneimittel-Forschung
|February 5, 1998
PubMed
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This study optimized reversed-phase high-performance liquid chromatography (RP-HPLC) to analyze 5-fluorouridine (5-FUR) degradation. The best method identified 5-fluorouracil and D-ribose as degradation products.

Area of Science:

  • Analytical Chemistry
  • Pharmaceutical Analysis

Background:

  • 5-fluorouridine (5-FUR) is a crucial pharmaceutical compound.
  • Understanding its degradation pathways is vital for drug stability and efficacy.
  • Aqueous degradation studies are essential for pharmaceutical formulation development.

Purpose of the Study:

  • To develop and optimize a robust analytical method for detecting and quantifying 5-FUR degradation in aqueous solutions.
  • To identify the primary degradation products of 5-FUR under specific conditions.
  • To establish optimal chromatographic conditions for rapid and reproducible analysis.

Main Methods:

  • Reversed-phase high-performance liquid chromatography (RP-HPLC) was employed for separation and quantification.
  • Proton Nuclear Magnetic Resonance (1H-NMR) spectroscopy was utilized for structural identification of degradation products.

Related Experiment Videos

  • Method optimization focused on stationary phase selection, mobile phase composition, and pH adjustment.

    • Main Results:

    • The optimal RP-HPLC method utilized a Resolve C-18 stationary phase.
    • A mobile phase consisting of 50 mmol/l ammonium dihydrogen phosphate (pH 3.5) and acetonitrile (96:4 ratio) provided superior resolution, reproducibility, and speed.
    • 1H-NMR confirmed the hydrolysis of 5-FUR to 5-fluorouracil (5-FU) and D-ribose as the degradation products.

    Conclusions:

    • An optimized RP-HPLC method is effective for analyzing 5-FUR degradation.
    • The identified degradation products, 5-fluorouracil and D-ribose, provide insight into the stability profile of 5-FUR in aqueous solutions.
    • The high stability of the nucleoside was confirmed under the tested conditions.