{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2026-09-09",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "codes": [
        {
          "uuid": "dbaec2e2-63f2-4d3f-8bbf-10df1e8da616",
          "code": "1304-76-3",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=1304-76-3",
          "code_system": "CAS",
          "references": [
            "bc16c5a0-16fa-4585-850b-25b2ef6288b3",
            "89f5f825-1b77-443c-a7ef-ba649ec0cd20"
          ]
        },
        {
          "uuid": "d5d40ee3-16cb-4107-9cad-f3ed93b8a7d2",
          "code": "C033301",
          "type": "PRIMARY",
          "url": "http://www.ncbi.nlm.nih.gov/mesh/67033301",
          "code_system": "MESH",
          "references": [
            "bc16c5a0-16fa-4585-850b-25b2ef6288b3"
          ]
        },
        {
          "uuid": "4718a7f7-e516-4d87-9dd0-1a069cb3c794",
          "code": "215-134-7",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.013.759",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "bc16c5a0-16fa-4585-850b-25b2ef6288b3"
          ]
        },
        {
          "uuid": "552c827c-fa6f-43bb-a963-a24a2659cbee",
          "code": "19472",
          "comments": "RxNorm",
          "type": "PRIMARY",
          "url": "https://rxnav.nlm.nih.gov/REST/rxcui/19472/allProperties.xml?prop=all",
          "code_system": "RXCUI",
          "references": [
            "bc16c5a0-16fa-4585-850b-25b2ef6288b3"
          ]
        },
        {
          "uuid": "066590cf-fce6-4e54-8b4f-9f9b577f188a",
          "code": "m2543",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m2543?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "bc16c5a0-16fa-4585-850b-25b2ef6288b3"
          ]
        },
        {
          "uuid": "f5a6c112-9d71-418e-b1f4-700f1b77412b",
          "code": "SUB13086MIG",
          "type": "PRIMARY",
          "code_system": "EVMPD",
          "references": [
            "bc16c5a0-16fa-4585-850b-25b2ef6288b3"
          ]
        },
        {
          "uuid": "f85a2a46-9843-427f-90c3-7111e1fc9add",
          "code": "160977",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/160977",
          "code_system": "PUBCHEM",
          "references": [
            "bc16c5a0-16fa-4585-850b-25b2ef6288b3"
          ]
        },
        {
          "uuid": "8b1db784-219d-23e8-5993-2e99bfdd073d",
          "code": "Bismuth oxide",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/Bismuth_oxide",
          "code_system": "WIKIPEDIA",
          "references": [
            "970753f4-ffc7-5cbd-5aef-cb6539b086b1"
          ]
        },
        {
          "uuid": "695ec29e-2603-9af3-f0de-d44dfc67079c",
          "code": "DTXSID8046537",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID8046537",
          "code_system": "EPA CompTox",
          "references": [
            "76acbb4a-e06c-7c4e-4a78-350236ffcb65"
          ]
        },
        {
          "uuid": "7a15f7c0-5518-461b-bdd1-d9a9bad715f1",
          "code": "A6I4E79QF1",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "43527410-0ca6-c6ec-3042-06ceb4fcea5e",
          "code": "100000076866",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "32221628-be3c-8915-4b7e-60a287b68e47"
          ]
        },
        {
          "uuid": "c5fe497f-80b3-71bc-2092-a2ddba744064",
          "code": "A6I4E79QF1",
          "type": "PRIMARY",
          "url": "https://dailymed.nlm.nih.gov/dailymed/search.cfm?adv=1&query=A6I4E79QF1",
          "code_system": "DAILYMED",
          "references": [
            "61d0a7ed-0fc6-8096-cea0-f4fdcb5d2467"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "2e35ee2f-33c3-482d-92a0-e31e128d729e",
          "type": "ACTIVE MOIETY",
          "related_substance": {
            "uuid": "f778d2f5-a299-44d9-a72f-5d010f763614",
            "refuuid": "6735e420-936a-4d22-9c79-4a4ec5b35246",
            "name": "BISMUTH CATION",
            "unii": "ZS9CD1I8YE",
            "linking_id": "ZS9CD1I8YE",
            "ref_pname": "BISMUTH CATION",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "7f3465bd-a931-4d6e-b93d-4e13483ce804",
          "name": "BISMUTH OXIDE",
          "stdName": "BISMUTH OXIDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c46f8471-e6bd-46f2-b8d5-d5117c0e805a",
            "9a24ad91-07cd-4695-b2a6-cbcfbfdab5a8",
            "3c3f85df-6c0a-4f18-bb0c-f487a47aa338",
            "1724ecbc-a96d-43c8-97d3-33e2254a9637",
            "c03be02e-27ab-45a2-bca9-4cb0fdef6de5",
            "7fc9ca3c-e7b3-4c60-8023-a7aba343021b",
            "25407fda-d8dd-44b8-a19b-5ecb3e2c2ba8",
            "2c54c8ea-5a2f-4b60-b5d2-f4ce0c62dd2c",
            "aa25617c-6c75-44cf-81ab-92a06414c83d"
          ],
          "display_name": true
        },
        {
          "uuid": "f19dd81a-a616-4b64-ad8a-17c9feb00b7b",
          "name": "BISMUTH OXIDE [MART.]",
          "stdName": "BISMUTH OXIDE [MART.]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2c54c8ea-5a2f-4b60-b5d2-f4ce0c62dd2c"
          ],
          "display_name": false
        },
        {
          "uuid": "6323995c-f405-4667-b8a2-de4afd2d61a8",
          "name": "BISMUTH OXIDE [MI]",
          "stdName": "BISMUTH OXIDE [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7fc9ca3c-e7b3-4c60-8023-a7aba343021b",
            "c46f8471-e6bd-46f2-b8d5-d5117c0e805a"
          ],
          "display_name": false
        },
        {
          "uuid": "11ad6578-d65c-47ef-b7d7-84c03bda0ec7",
          "name": "BISMUTH TRIOXIDE",
          "stdName": "BISMUTH TRIOXIDE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3ab171f3-61a5-4906-a027-87e139d6daf4",
            "3c3f85df-6c0a-4f18-bb0c-f487a47aa338"
          ],
          "display_name": false
        },
        {
          "uuid": "59b88646-8367-4123-9c94-36c18bd46ba5",
          "name": "BISMUTH YELLOW",
          "stdName": "BISMUTH YELLOW",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "8e826f7e-a46d-4043-b52e-1772958afc21",
            "c46f8471-e6bd-46f2-b8d5-d5117c0e805a"
          ],
          "display_name": false
        },
        {
          "uuid": "d2e98b7c-118e-4e9a-8649-fdd43d054326",
          "name": "BISMUTHOUS OXIDE",
          "stdName": "BISMUTHOUS OXIDE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "8e826f7e-a46d-4043-b52e-1772958afc21",
            "c46f8471-e6bd-46f2-b8d5-d5117c0e805a"
          ],
          "display_name": false
        },
        {
          "uuid": "e39bee18-dd4f-47ec-a596-89eae274a78b",
          "name": "BISMUTHUM OXYDATUM",
          "stdName": "BISMUTHUM OXYDATUM",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "14b37e7c-96d4-4f05-a19c-a62b890c2b94",
            "97d41b4f-ecd9-4deb-92c5-5f68ce055859",
            "ca67e79e-085b-4a8b-9ef4-016539415b8f",
            "c46f8471-e6bd-46f2-b8d5-d5117c0e805a"
          ],
          "display_name": false
        },
        {
          "uuid": "3083d8cf-d100-472f-9761-8f05402c0241",
          "name": "BISMUTHUM OXYDATUM [HPUS]",
          "stdName": "BISMUTHUM OXYDATUM [HPUS]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "14b37e7c-96d4-4f05-a19c-a62b890c2b94",
            "ca67e79e-085b-4a8b-9ef4-016539415b8f"
          ],
          "display_name": false
        },
        {
          "uuid": "c664819b-4e5b-e18f-4f7c-b9792735e073",
          "name": "Bismuth oxide [WHO-DD]",
          "stdName": "BISMUTH OXIDE [WHO-DD]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "21f9c9e7-2ef0-3b6c-a5a7-84e52077f8cd"
          ],
          "display_name": false
        },
        {
          "uuid": "d6f6db53-af7d-4ad6-0308-ea230a74a0be",
          "name": "DIBISMUTH TRIOXIDE",
          "stdName": "DIBISMUTH TRIOXIDE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7457389d-f745-6cd6-683c-ac97a99d93cd"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "14b37e7c-96d4-4f05-a19c-a62b890c2b94",
          "citation": "HPUS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "c46f8471-e6bd-46f2-b8d5-d5117c0e805a",
          "citation": "HOMEOPATHIC PHARMACOPOEIA US",
          "doc_type": "HOMEOPATHIC PHARMACOPOEIA US",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "3c3f85df-6c0a-4f18-bb0c-f487a47aa338",
          "citation": "MERCK",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "3ab171f3-61a5-4906-a027-87e139d6daf4",
          "citation": "DL",
          "doc_type": "MERCK INDEX",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "25407fda-d8dd-44b8-a19b-5ecb3e2c2ba8",
          "citation": "OTC",
          "doc_type": "MERCK INDEX",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8e826f7e-a46d-4043-b52e-1772958afc21",
          "citation": "Merck 14.3",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ca67e79e-085b-4a8b-9ef4-016539415b8f",
          "citation": "HPUS 2011",
          "doc_type": "HOMEOPATHIC PHARMACOPOEIA US",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2c54c8ea-5a2f-4b60-b5d2-f4ce0c62dd2c",
          "citation": "MARTINDALE 2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "7fc9ca3c-e7b3-4c60-8023-a7aba343021b",
          "citation": "MERCK INDEX",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "aa25617c-6c75-44cf-81ab-92a06414c83d",
          "citation": "WHO-DD",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "bc16c5a0-16fa-4585-850b-25b2ef6288b3",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390835000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a7db8ffc-a45c-42e3-a43d-f281accf6958",
          "citation": "SRS import [A6I4E79QF1]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=A6I4E79QF1",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390835000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "97d41b4f-ecd9-4deb-92c5-5f68ce055859",
          "citation": "BISMUTHUM OXYDATUM [HPUS]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "c03be02e-27ab-45a2-bca9-4cb0fdef6de5",
          "citation": "BISMUTH OXIDE [MART.]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "1724ecbc-a96d-43c8-97d3-33e2254a9637",
          "citation": "BISMUTH OXIDE [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "9a24ad91-07cd-4695-b2a6-cbcfbfdab5a8",
          "citation": "BISMUTH OXIDE [WHO-DD]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "970753f4-ffc7-5cbd-5aef-cb6539b086b1",
          "citation": "WIKI",
          "url": "https://en.wikipedia.org/wiki/Bismuth_oxide",
          "doc_type": "WIKI",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "7457389d-f745-6cd6-683c-ac97a99d93cd",
          "citation": "cas",
          "doc_type": "CAS",
          "public_domain": true
        },
        {
          "uuid": "76acbb4a-e06c-7c4e-4a78-350236ffcb65",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=1304-76-3",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "7bc4b3ba-31f7-a940-550f-b52bae51227b",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "89f5f825-1b77-443c-a7ef-ba649ec0cd20",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "61d0a7ed-0fc6-8096-cea0-f4fdcb5d2467",
          "citation": "DailyMed",
          "doc_type": "DAILYMED",
          "public_domain": true
        },
        {
          "uuid": "21f9c9e7-2ef0-3b6c-a5a7-84e52077f8cd",
          "citation": "WHO-DD",
          "doc_type": "WHO DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "32221628-be3c-8915-4b7e-60a287b68e47",
          "citation": "EU-SRS",
          "doc_type": "EMA LIST",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "3b1baa6d-4789-49d8-9eec-c87ce6402bd0",
          "id": "3b1baa6d-4789-49d8-9eec-c87ce6402bd0",
          "molfile": "\n  Marvin  01132103082D          \n\n  1  0  0  0  0  0            999 V2000\n    6.4625   -2.8083    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\nM  CHG  1   1  -1\nM  END",
          "smiles": "[OH-]",
          "formula": "HO",
          "atropisomerism": "No",
          "charge": -1,
          "count": 3,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 3,
            "units": "MOL RATIO",
            "uuid": "f880deda-23fb-4eda-8547-bd318a117fe6"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "17.0073",
          "optical_activity": "NONE",
          "stereo_centers": 0
        },
        {
          "uuid": "0b35ffe8-d531-4297-bf07-f439ba5425e5",
          "id": "0b35ffe8-d531-4297-bf07-f439ba5425e5",
          "molfile": "\n  Marvin  01132100502D          \n\n  1  0  0  0  0  0            999 V2000\n    4.2792   -2.8417    0.0000 Bi  0  1  0  0  0  0  0  0  0  0  0  0\nM  CHG  1   1   3\nM  END",
          "smiles": "[Bi+3]",
          "formula": "Bi",
          "atropisomerism": "No",
          "charge": 3,
          "count": 2,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 2,
            "units": "MOL RATIO",
            "uuid": "5c655854-d54d-4835-bf1c-731f7efed507"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "208.9804",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "df41d8b2-9b63-4b63-bddc-bf8dfddff816",
      "version": "11",
      "structure": {
        "id": "8d1d81e2-8ea5-45d7-aae8-49f4d0ff3e51",
        "molfile": "\n  Marvin  01132107202D          \n\n  5  0  0  0  0  0            999 V2000\n    4.2792   -2.8417    0.0000 Bi  0  1  0  0  0  0  0  0  0  0  0  0\n    6.4625   -2.8083    0.0000 O   0  6  0  0  0  0  0  0  0  0  0  0\n    4.2792   -2.8417    0.0000 Bi  0  1  0  0  0  0  0  0  0  0  0  0\n    6.4625   -2.8083    0.0000 O   0  6  0  0  0  0  0  0  0  0  0  0\n    6.4625   -2.8083    0.0000 O   0  6  0  0  0  0  0  0  0  0  0  0\nM  CHG  5   1   3   2  -2   3   3   4  -2   5  -2\nM  STY  2   1 MUL   2 MUL\nM  SCN  1   1 HT \nM  SAL   1  2   1   3\nM  SPA   1  1   1\nM  SDI   1  4    3.8592   -3.2617    3.8592   -2.4217\nM  SDI   1  4    4.6992   -2.4217    4.6992   -3.2617\nM  SMT   1 2\nM  SCN  1   2 HT \nM  SAL   2  3   2   4   5\nM  SPA   2  1   2\nM  SDI   2  4    6.0425   -3.2283    6.0425   -2.3883\nM  SDI   2  4    6.8825   -2.3883    6.8825   -3.2283\nM  SMT   2 3\nM  END",
        "smiles": "[Bi+3].[Bi+3].[O-2].[O-2].[O-2]",
        "formula": "2Bi.3O",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "465.959",
        "optical_activity": "NONE",
        "references": [
          "a7db8ffc-a45c-42e3-a43d-f281accf6958",
          "14b37e7c-96d4-4f05-a19c-a62b890c2b94"
        ],
        "stereo_centers": 0
      },
      "unii": "A6I4E79QF1"
    }
  ]
}