{
  "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": "2025-09-19",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "codes": [
        {
          "uuid": "c71372e7-293f-45c8-9471-7b31a29b459e",
          "code": "17017-91-3",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=17017-91-3",
          "code_system": "CAS",
          "references": [
            "bfdcbd9b-8378-409d-becb-969563444193",
            "902f7133-d724-4879-bdaf-288bc4876a8f"
          ]
        },
        {
          "uuid": "4b179b51-d9f1-4e96-bf15-860eea0986d1",
          "code": "73270",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/73270",
          "code_system": "PUBCHEM",
          "references": [
            "bfdcbd9b-8378-409d-becb-969563444193"
          ]
        },
        {
          "uuid": "d3a1405f-7acc-5de4-2003-e789b34a0278",
          "code": "DTXSID7066144",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID7066144",
          "code_system": "EPA CompTox",
          "references": [
            "2f8a25ab-edb5-cd46-6b9d-8b6fd2f8f8cd"
          ]
        },
        {
          "uuid": "7b5de326-a016-49fe-a372-2d14d22e94c4",
          "code": "DTX6RLP2IU",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "8010b81c-6b54-1db8-83db-78650a191604",
          "code": "41963",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=41963",
          "code_system": "NSC",
          "references": [
            "19cd85ac-405a-d0c7-60bf-5ae809d34850"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "9d699585-7012-47d5-96ba-3ddbb097f015",
          "name": "5-PYRIMIDINESULFONAMIDE, 1,2,3,4-TETRAHYDRO-2,4-DIOXO-",
          "stdName": "5-PYRIMIDINESULFONAMIDE, 1,2,3,4-TETRAHYDRO-2,4-DIOXO-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "31a55cd1-fe79-4126-881a-290f3da24245",
            "6192aa46-6897-4330-b4ef-0c10c3b0b287"
          ],
          "display_name": false
        },
        {
          "uuid": "c42c1e62-ae5c-adb2-5049-23bd846f882e",
          "name": "5-PYRIMIDINESULFONAMIDE, 2,4-DIHYDROXY-",
          "stdName": "5-PYRIMIDINESULFONAMIDE, 2,4-DIHYDROXY-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "902f7133-d724-4879-bdaf-288bc4876a8f"
          ],
          "display_name": false
        },
        {
          "uuid": "65c7668c-461a-faeb-5a2b-69ab3e082c1a",
          "name": "5-SULFAMINOURACIL",
          "stdName": "5-SULFAMINOURACIL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "902f7133-d724-4879-bdaf-288bc4876a8f"
          ],
          "display_name": true
        },
        {
          "uuid": "b7682e64-d016-4a7d-a099-24e540bbc8b5",
          "name": "NSC-41963",
          "stdName": "NSC-41963",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "31a55cd1-fe79-4126-881a-290f3da24245",
            "6192aa46-6897-4330-b4ef-0c10c3b0b287"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "31a55cd1-fe79-4126-881a-290f3da24245",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "6192aa46-6897-4330-b4ef-0c10c3b0b287",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "bfdcbd9b-8378-409d-becb-969563444193",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493394360000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2f8a25ab-edb5-cd46-6b9d-8b6fd2f8f8cd",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=17017-91-3",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "902f7133-d724-4879-bdaf-288bc4876a8f",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "19cd85ac-405a-d0c7-60bf-5ae809d34850",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "edaaf9a7-d853-4f36-a3ef-2bfb080749f2",
          "id": "edaaf9a7-d853-4f36-a3ef-2bfb080749f2",
          "molfile": "\n  Marvin  01132112182D          \n\n 12 12  0  0  0  0            999 V2000\n    4.7741   -2.8909    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    3.8607   -3.0788    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    4.0650   -3.8860    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.6621   -2.2936    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.2015   -3.2943    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.2142   -4.1126    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.5013   -4.5386    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    1.7800   -4.1463    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.0756   -4.5724    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    1.7673   -3.3196    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4718   -2.8809    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4549   -2.0584    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  3  2  2  0  0  0  0\n  4  2  2  0  0  0  0\n  5  2  1  0  0  0  0\n  6  5  2  0  0  0  0\n  5 11  1  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n  9  8  2  0  0  0  0\n  8 10  1  0  0  0  0\n 11 10  1  0  0  0  0\n 12 11  2  0  0  0  0\nM  END",
          "smiles": "c1c(c(=O)[nH]c(=O)[nH]1)S(=O)(=O)N",
          "formula": "C4H5N3O4S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "6c11ff70-24e1-4560-aa24-7915512ac8eb"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "191.1665",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "d48c68f2-717b-4e5c-87ae-1d7933324cb1",
      "version": "10",
      "structure": {
        "id": "e2553976-f37d-47eb-9b9a-5e9a4224c66f",
        "molfile": "\n  Marvin  01132111432D          \n\n 12 12  0  0  0  0            999 V2000\n   14.1376   -4.0829    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   15.5718   -4.0576    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.8421   -3.6442    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.1503   -4.9095    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.5844   -4.8759    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.8716   -5.3018    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   14.8252   -2.8218    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   13.4459   -5.3356    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   16.2310   -3.8421    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n   17.1443   -3.6542    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   16.4352   -4.6493    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   16.0323   -3.0570    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  5  6  1  0  0  0  0\n  6  4  1  0  0  0  0\n  7  3  2  0  0  0  0\n  8  4  2  0  0  0  0\n  5  2  2  0  0  0  0\n  2  3  1  0  0  0  0\n  3  1  1  0  0  0  0\n  4  1  1  0  0  0  0\n  9 10  1  0  0  0  0\n 11  9  2  0  0  0  0\n 12  9  2  0  0  0  0\n  2  9  1  0  0  0  0\nM  END",
        "smiles": "c1c(c(=O)[nH]c(=O)[nH]1)S(=O)(=O)N",
        "formula": "C4H5N3O4S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "191.1665",
        "optical_activity": "NONE",
        "references": [
          "31a55cd1-fe79-4126-881a-290f3da24245"
        ],
        "stereo_centers": 0
      },
      "unii": "DTX6RLP2IU"
    }
  ]
}