Oxytetracycline was the second discovered tetracycline antibiotic.
TOKU-E offers two forms of oxytetracycline: Oxytetracycline Dihydrate (O003) and Oxytetracycline Hydrochloride (O004). Oxytetracycline dihydrate is sparingly soluble in aqueous solution at 0.6 mg/mL. Oxytetracycline HCl is slightly soluble in aqueous solution at 6.9 mg/mL.
