Urolithin A is a naturally occurring metabolite generated from ellagitannins and ellagic acid through microbial metabolism. These precursor compounds are widely found in plant sources such as pomegranate, berries, and nuts. In recent years, Urolithin A has become a compound of interest in nutritional science, microbiome-related research, and cosmetic ingredient development. Due to its well-defined structure and availability in high purity, it is widely used as a reference compound in laboratory studies and formulation research. Nanjing Spring & Autumn Biological Engineering Co., Ltd. provides high purity Urolithin A (CAS 1143-70-0) suitable for research institutions, ingredient manufacturers, and formulation developers. Our material is produced under strict quality control standards, ensuring reliable purity and batch consistency.   This product is supplied as a raw material for research, analytical, and industrial ingredient applications.