{"data":{"id":"us/21-cfr-201.312","jurisdiction":"us","citation":"21 CFR 201.312","heading":"Magnesium sulfate heptahydrate; label declaration on drug products.","body":"Magnesium sulfate heptahydrate should be listed on the label of a drug product as epsom salt, which is its common or usual name.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER C—DRUGS: GENERAL","PART 201—LABELING","Subpart G—Specific Labeling Requirements for Specific Drug Products"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"80fe586f0748830100889f36bd95a22158062397f7d4d12969a6b1caa547f6b7","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-201.311","next":"us/21-cfr-201.313"},"notice":"GroundRules: Original legal text. Not legal advice."}