Minocycline hydrochloride (Standard) is the standard substance of Minocycline hydrochloride, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Minocycline hydrochloride (Minocycline HCl) belongs to the tetracycline group of antibiotics with excellent absorption and tissue penetration. Minocycline hydrochloride is a broad-spectrum antimicrobial agent used for a wide range of bacterial infections as well as acne treatment.