Abstract
This paper describes the high performance liquid chromatographic (HPLC) analysis of eight parent tetracycline standards: tetracycline, chlortetracycline, rolitetracycline, oxitetracycline, minocycline, doxycycline, democlocycline, methacycline; and three tetracycline epimers: epitetracycline, epianhydrotetracycline, and anhydrotetracycline. The HPLC system employs an octadecylsilane reverse phase column and an isopropanol-diethanolamine-phosphate-ammonium EDTA-water mobile phase. This system produced at least partial resolution of all eight parent compounds and many of their degradation products.
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