Analysis of Betadex Sulfobutyl Ether Sodium According to USP-NF Method (SB-803 HQ)

Betadex sulfobutyl ether sodium is a solubilizer added to remdesivir and voriconazole for injection. According to the United States Pharmacopeia and the National Formulary (USP 43-NF 38*), "ASSAY" for "Betadex Sulfobutyl Ether Sodium" should be carried out with a column filled with L37 packing material. The OHpak SB-803 HQ, a column filled with L37 packing material, confirmed the requirement was met.

System suitability requirementRelative standard deviation (RSD) (Standard solution): ≤ 2.0%

*The version at the time of the application acquisition.

Sample: 20 µL
(Standard solution) Betadex sulfobutyl ether sodium 10 mg/mL in eluent

  1.  
chromatogram of Betadex sulfobutyl ether sodium
Column
Shodex OHpak SB-803 HQ (8.0 mm I.D. x 300 mm)
Eluent
0.1 M potassium nitrate in a mixture of acetonitrile and water (1:4)
Flow rate
1.0 mL/min
Detector
RI
Column temp.
35 ℃

Sample Name Index

Operation Manual / Certificate of Analysis

Operation Manuals and Certificate of Analysis / Inspection Certificate for the following products can be downloaded here.

Product Name Index

Applications