Establishment of a Detection Method for Residual Solvents in Cytidine Disodium Triphosphate

  • Zhao-Hui GAO
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  • Beijing Institute for Drug ControlNMPA Key Laboratory for Research and Evaluation of Generic Drugs
    Beijing Key Laboratory of Analysis and Evaluation on Chinese Medicine Beijing 102206,China

Received date: 2025-01-06

  Revised date: 2025-02-10

  Accepted date: 2025-03-14

  Online published: 2025-08-06

Abstract

Objective: To establish a detection method for residual solvents in cytidine disodium triphosphate.Methods: Agilent J&W DB-624UI 60 m×0.25 mm×0.25 μm was used as the chromatographic column. The injection port temperature was 250 ℃. The column temperature was programmed to rise initial temperature 40 ℃ maintained for 10 min rising to 80 ℃ at a rate of 5 ℃•min-1 then rising to 220 ℃ at a rate of 12 ℃•min-1 and maintained for 3 min. Carrier gas helium flow rate 1 mL•min-1 split injection split ratio 101. Headspace incubator equilibrium temperature 85 ℃. Equilibrium time 30 min electron impact EI ion source transmission line temperature 250 ℃ ion source temperature 230 ℃. Quadrupole temperature 150 ℃ electron energy 70 eV. The established method was verified for specificity linearity accuracy precision and repeatability and the detection limit and quantification limit of the method were established.Results: Using the established method to determine the residual solvent contents in more than 30 batches of samples. Residual ethanol was detected in 5 batches of samples.Conclusion: The developed GC-MS method is simple precise stable accurate and specific and can be used for quality control of cytidine disodium triphosphate.


Cite this article

Zhao-Hui GAO .

Establishment of a Detection Method for Residual Solvents in Cytidine Disodium Triphosphate

[J]. CHINESE JOURNAL OF MEDICINAL GUIDE, 2025 , 27(6) : 624 -628 . DOI: magtech.2025.01.06-00001

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