This D-(+)-Biotin is a white crystalline powder with a purity of ≥99.5%. It has a chemical formula of C10H16N2O3S, a molecular weight of 244.31 g/mol and a CAS number of 58-85-5. It has multiple common uses in medical and scientific research, such as being used as a dietary supplement to treat biotin deficiency. PubMed link: https://pubmed.ncbi.nlm.nih.gov/23502077/.