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Quantitation of Testosterone,Cypionate-in-Oil Injection Using High-Performance Liquid Chromatography
International Journal of Pharmaceutical Compounding
|August 30, 2013
Summary
A new high-performance liquid chromatography method accurately quantifies testosterone cypionate in oil injections. This simple assay offers a faster alternative to the United States Pharmacopoeia–National Formulary method.
Area of Science:
- Analytical Chemistry
- Pharmaceutical Analysis
Background:
- Accurate quantification of testosterone cypionate is crucial for pharmaceutical quality control.
- Existing United States Pharmacopoeia–National Formulary (USP-NF) methods can be time-consuming and complex.
Purpose of the Study:
- To develop a simple, accurate, and precise assay method for testosterone cypionate in oil injections.
- To compare the developed method with the existing USP-NF assay.
Main Methods:
- High-performance liquid chromatography (HPLC) was employed for the assay.
- A simplified extraction procedure was developed and validated.
- Quantification was performed using HPLC analysis.
Main Results:
- The developed HPLC method demonstrated high accuracy and precision (1.2% relative standard deviation).
- The extraction process was significantly simpler than the USP-NF method.
- Average recovery of testosterone cypionate from commercial dosage forms was 98.7%.
- Benzyl alcohol did not interfere with the assay.
Conclusions:
- A novel, efficient HPLC assay for testosterone cypionate in oil injections has been successfully developed.
- This method offers a practical and reliable alternative for pharmaceutical analysis.
- The method's applicability to testosterone enanthate requires further investigation.
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