MetaSci is specialized in providing high quality libraries of small molecule compounds for various research application. We offer the widest collection of human metabolites in our Human Metabolome Library (HML) which is comprised of 1,100 human metabolites and metabolic intermediates. Our libraries can be used in many applications such as quantitative metabolomics, metabolic pathway analysis, food analysis , environmental analysis, instrument calibration, peak identification and quantification, and analytical method development. The libraries are available either in 5-10 mg powder in auto-sampler amber vials.