{"prefix":"unii","name":"Unique Ingredient Identifier","description":"The purpose of the joint FDA/USP Substance Registration System (SRS) is to support health information technology initiatives by generating unique ingredient identifiers (UNIIs) for substances in drugs, biologics, foods, and devices. The UNII is a non- proprietary, free, unique, unambiguous, non semantic, alphanumeric identifier based on a substance’s molecular structure and/or descriptive information.","pattern":"^[A-Z0-9]+$","uri_format":"https://precision.fda.gov/uniisearch/srs/unii/$1","providers":[],"homepage":"https://precision.fda.gov/uniisearch","owners":[{"ror":"034xvzb47","name":"United States Food and Drug Administration"}],"example":"3G6A5W338E","example_extras":[],"deprecated":false,"mappings":{"biocontext":"UNII","cheminf":"000563","miriam":"unii","n2t":"unii","wikidata":"P652"},"synonyms":[],"keywords":[],"publications":[],"appears_in":[],"depends_on":[],"namespace_in_lui":false,"preferred_prefix":"unii"}