{
  "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": "55cf3e15-ab47-435f-ab43-e38acfa66d98",
          "code": "7446-14-2",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=7446-14-2",
          "code_system": "CAS",
          "references": [
            "eb49ff75-d7bb-4f70-9f3f-5148adb9e177",
            "477bd5bc-e788-45f5-8c93-7a3f9b5f41b5"
          ]
        },
        {
          "uuid": "9d975250-8756-4738-b7d1-b7a459c62cb7",
          "code": "C032722",
          "type": "PRIMARY",
          "url": "http://www.ncbi.nlm.nih.gov/mesh/67032722",
          "code_system": "MESH",
          "references": [
            "eb49ff75-d7bb-4f70-9f3f-5148adb9e177"
          ]
        },
        {
          "uuid": "54276854-2311-4549-aa03-6654a767b57d",
          "code": "LEAD(II) SULFATE",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/Lead(II)_sulfate",
          "code_system": "WIKIPEDIA",
          "references": [
            "eb49ff75-d7bb-4f70-9f3f-5148adb9e177"
          ]
        },
        {
          "uuid": "c478ff15-51a1-48cd-aa05-80b9c54fde6c",
          "code": "m6745",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m6745?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "eb49ff75-d7bb-4f70-9f3f-5148adb9e177"
          ]
        },
        {
          "uuid": "f29a1482-2518-4984-9ec4-198570aab146",
          "code": "231-198-9",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.028.362",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "eb49ff75-d7bb-4f70-9f3f-5148adb9e177"
          ]
        },
        {
          "uuid": "2a28a119-ce31-4581-a3c5-ce9551559c02",
          "code": "24008",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/24008",
          "code_system": "PUBCHEM",
          "references": [
            "eb49ff75-d7bb-4f70-9f3f-5148adb9e177"
          ]
        },
        {
          "uuid": "bd28929f-bd45-f40a-6bca-f7ec6a6b9e92",
          "code": "6308",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/source/hsdb/6308",
          "code_system": "HSDB",
          "references": [
            "4909e594-408b-7a5e-c2a2-0c9119b1860b"
          ]
        },
        {
          "uuid": "7c7aae0e-fb34-4674-a01c-5d524465eb09",
          "code": "C516H654O8",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "5d51a32f-e754-f880-1322-e220f348a7a3",
          "code": "DTXSID50883502",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID50883502",
          "code_system": "EPA CompTox"
        },
        {
          "uuid": "a557e5f0-09aa-60d2-513a-b46b96095676",
          "code": "300000053366",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "c91b9a4c-da6b-86ee-ba1e-643364a77c31"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "3d5f70ba-0ef7-44dc-8bb8-19dda24625d3",
          "name": "LEAD SULFATE",
          "stdName": "LEAD SULFATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5ffa2c33-8933-41f9-a615-b95435206de2",
            "eb5918d8-fb5f-4b8c-a6f4-612b7494578c",
            "0ef374ce-6a5a-46f3-b122-c0cb1d828a16",
            "264c727d-709b-4ed4-ba81-aa6ff8a5c0f5",
            "75780ffa-ba95-468c-b38c-0a9d1caa009d",
            "db5e5cb9-d969-450c-a4a2-1198145228f4"
          ],
          "display_name": true
        },
        {
          "uuid": "8c519917-4891-40cb-b117-120376119103",
          "name": "LEAD SULFATE [MI]",
          "stdName": "LEAD SULFATE [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5ffa2c33-8933-41f9-a615-b95435206de2",
            "eb5918d8-fb5f-4b8c-a6f4-612b7494578c"
          ],
          "display_name": false
        },
        {
          "uuid": "b3a3e819-f101-40f9-b402-05e7e8d18126",
          "name": "LEAD SULPHATE",
          "stdName": "LEAD SULPHATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b8db0426-8999-48f0-983e-9675ef7f3e7b",
            "eb5918d8-fb5f-4b8c-a6f4-612b7494578c"
          ],
          "display_name": false
        },
        {
          "uuid": "bcfcbbaa-8d25-4376-abf7-ced41268b8cf",
          "name": "LEAD(+2) SULFATE [HSDB]",
          "stdName": "LEAD(+2) SULFATE [HSDB]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "eb5918d8-fb5f-4b8c-a6f4-612b7494578c",
            "480bd58b-27f3-4d05-b212-b9fb8bbddd7e"
          ],
          "display_name": false
        },
        {
          "uuid": "2ea6ec12-bda9-45ed-90c2-2a062e412620",
          "name": "LEAD(II) SULFATE",
          "stdName": "LEAD(II) SULFATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "159fab2b-0fdd-48ff-a7b9-f50e43f4632e",
            "eb5918d8-fb5f-4b8c-a6f4-612b7494578c"
          ],
          "display_name": false
        },
        {
          "uuid": "9c0b56fd-c891-b492-0656-b6c05062411d",
          "name": "Lead sulfate [WHO-DD]",
          "stdName": "LEAD SULFATE [WHO-DD]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "029f33a7-5ae1-5717-ed6e-d44303949413"
          ],
          "display_name": false
        },
        {
          "uuid": "a7c341ba-390e-4dd8-9d91-d0cd23627330",
          "name": "SULFURIC ACID LEAD(2+) SALT (1:1)",
          "stdName": "SULFURIC ACID LEAD(2+) SALT (1:1)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "159fab2b-0fdd-48ff-a7b9-f50e43f4632e",
            "eb5918d8-fb5f-4b8c-a6f4-612b7494578c"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "0ef374ce-6a5a-46f3-b122-c0cb1d828a16",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "5ffa2c33-8933-41f9-a615-b95435206de2",
          "citation": "MERCK INDEX",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "eb5918d8-fb5f-4b8c-a6f4-612b7494578c",
          "citation": "MERCK INDEX",
          "doc_type": "MERCK INDEX",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "159fab2b-0fdd-48ff-a7b9-f50e43f4632e",
          "citation": "Merck",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b8db0426-8999-48f0-983e-9675ef7f3e7b",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "480bd58b-27f3-4d05-b212-b9fb8bbddd7e",
          "citation": "HSDB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "75780ffa-ba95-468c-b38c-0a9d1caa009d",
          "citation": "WHO-DD",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "eb49ff75-d7bb-4f70-9f3f-5148adb9e177",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391040000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "16d4e80c-a28d-48b9-beae-d6eeffa73374",
          "citation": "SRS import [C516H654O8]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=C516H654O8",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391040000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a24999b2-278e-4f24-a952-c05114eda15a",
          "citation": "CHEMID  2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "264c727d-709b-4ed4-ba81-aa6ff8a5c0f5",
          "citation": "LEAD SULFATE [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "db5e5cb9-d969-450c-a4a2-1198145228f4",
          "citation": "LEAD SULFATE [WHO-DD]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "4909e594-408b-7a5e-c2a2-0c9119b1860b",
          "citation": "WEBSITE",
          "url": "https://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+7446-14-2",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "029f33a7-5ae1-5717-ed6e-d44303949413",
          "citation": "WHO-DD",
          "doc_type": "WHO DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "477bd5bc-e788-45f5-8c93-7a3f9b5f41b5",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "c91b9a4c-da6b-86ee-ba1e-643364a77c31",
          "citation": "SMS",
          "doc_type": "EMA LIST",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "7f81c17c-ed1d-4f70-8b26-7a59d0b20eae",
          "id": "7f81c17c-ed1d-4f70-8b26-7a59d0b20eae",
          "molfile": "\n  Marvin  01132106372D          \n\n  1  0  0  0  0  0            999 V2000\n    7.2795   -5.2860    0.0000 Pb  0  2  0  0  0  0  0  0  0  0  0  0\nM  CHG  1   1   2\nM  END",
          "smiles": "[Pb+2]",
          "formula": "Pb",
          "atropisomerism": "No",
          "charge": 2,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "99b23ec4-29e2-4d88-ae64-7cffdd49f7fb"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "207.2169",
          "optical_activity": "NONE",
          "stereo_centers": 0
        },
        {
          "uuid": "183decb3-0b16-4f79-9452-84b79215d551",
          "id": "183decb3-0b16-4f79-9452-84b79215d551",
          "molfile": "\n  Marvin  01132101272D          \n\n  5  4  0  0  0  0            999 V2000\n    6.0701   -4.4948    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    5.2204   -4.4948    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2204   -5.3670    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    4.4201   -4.4948    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2204   -3.7801    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  2  3  1  0  0  0  0\n  2  4  2  0  0  0  0\n  2  5  2  0  0  0  0\nM  CHG  2   1  -1   3  -1\nM  END",
          "smiles": "O=S(=O)([O-])[O-]",
          "formula": "O4S",
          "atropisomerism": "No",
          "charge": -2,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "7b769810-0b37-4d6d-bb0c-92306fc013c3"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "96.0637",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "d92da707-3d40-4cc1-8c68-e2c6f9086de6",
      "version": "7",
      "structure": {
        "id": "d2c98f54-f5ad-40b5-a4a0-4fa8223299da",
        "molfile": "\n  Marvin  01132110542D          \n\n  6  4  0  0  0  0            999 V2000\n    5.2204   -4.4948    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4201   -4.4948    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2204   -3.7801    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.0701   -4.4948    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    5.2204   -5.3670    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    7.2795   -5.2860    0.0000 Pb  0  2  0  0  0  0  0  0  0  0  0  0\n  1  2  2  0  0  0  0\n  1  3  2  0  0  0  0\n  1  4  1  0  0  0  0\n  1  5  1  0  0  0  0\nM  CHG  3   4  -1   5  -1   6   2\nM  END",
        "smiles": "O=S(=O)([O-])[O-].[Pb+2]",
        "formula": "O4S.Pb",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "303.2806",
        "optical_activity": "NONE",
        "references": [
          "16d4e80c-a28d-48b9-beae-d6eeffa73374",
          "a24999b2-278e-4f24-a952-c05114eda15a"
        ],
        "stereo_centers": 0
      },
      "unii": "C516H654O8"
    }
  ]
}