ArticleScientific reports2026
Breakthrough RP-HPLC strategy for synchronous analysis of pyridine and its degradation products in powder for injection using quality metrics.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
We have developed a novel, sustainable, and quality-by-design (QbD) driven RP-HPLC method to simultaneously identify pyridine in powder for injection and its degradation products. The goal of this method is to meet the growing demand for robust, eco-friendly methods of quality control for pharmaceutical products. QbD ensured method robustness, while minimizing solvent consumption and waste generation to ensure sustainability. Several sustainable tools were investigated to assess their ecological impact in the study. Using Box-Behnken design, three chromatographic parameters were optimized: column oven temperature, flow rate, and buffer pH. An ethanol and buffer solution mobile phase at pH 6.5 in gradient mode was found to be optimal. An Avantor Hichrom C18 (0.46 cm × 15 cm, 5 µm) column was used with UV detection at 254 nm and pumped at 1.0 mL/min. The linearity of pyridine occurred in the 0.13-40 µg/mL range with an R
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