Analysis of Voriconazole According to USP-NF Method (CDBS-453)

According to the United States Pharmacopeia and the National Formulary (USP 42-NF 37*), "IMPURITIES: Voriconazole Related Compound B" for "Voriconazole" should be carried out with a column filled with L45 packing material. The ORpak CDBS-453, a column filled with L45 packing material, confirmed the requirements were met.

System suitability requirementsResolution between voriconazole and voriconazole related compound B peaks (System suitability solution A):≥ 4.0
Tailing factor of voriconazole related compound B peak (System suitability solution A): ≤ 2.0
Relative standard deviation (RSD) (System suitability solution B): ≤ 10.0%

*The version at the time of the application acquisition.

Sample: 20 μL
(System suitability solution A) 500 µg/mL of Voriconazole and 2.5 µg/mL of Voriconazole Related Compound B in eluent

  1. 1.Voriconazole
  2. 2.Voriconazole related compound B
Column
Shodex ORpak CDBS-453 (4.6 mm I.D. x 150 mm)
Eluent
Acetonitrile and **Buffer (13:87)
**Buffer; 0.8 g/L of ammonium acetate. Adjust with glacial acetic acid to a pH of 5.0.
Flow rate
0.9 mL/min
Detector
:UV (256 nm)
Column temp.
20 ℃

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