{
  "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": "5a50c3be-cd7e-4805-9c39-8f24e12c75f0",
          "code": "4023-65-8",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=4023-65-8",
          "code_system": "CAS",
          "references": [
            "0078856e-6089-43e7-8393-0d4d71849000",
            "658d5ee6-67ed-49a9-ae3e-162cf7a1a836"
          ]
        },
        {
          "uuid": "82dd9109-414c-4d23-b819-1016d96b6190",
          "code": "223-688-6",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.021.536",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "0078856e-6089-43e7-8393-0d4d71849000"
          ]
        },
        {
          "uuid": "848d6bb5-4b63-4172-b599-e3cacb6934c2",
          "code": "444212",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/444212",
          "code_system": "PUBCHEM",
          "references": [
            "0078856e-6089-43e7-8393-0d4d71849000"
          ]
        },
        {
          "uuid": "6514a1ab-1d61-2073-780f-970b30a4bc84",
          "code": "DTXSID1048706",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID1048706",
          "code_system": "EPA CompTox",
          "references": [
            "4024cc55-79c5-41f7-d6a8-e2f1e3d6fa41"
          ]
        },
        {
          "uuid": "fc3b0537-78e3-4007-b969-0e71aff5c3ec",
          "code": "7DB37960CW",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "e5191267-8208-a1fd-2038-d46ef2ae6118",
          "code": "32806",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:32806",
          "code_system": "CHEBI",
          "references": [
            "4ec15663-a960-518c-bedf-0cb43c6407e9"
          ]
        },
        {
          "uuid": "d23554d8-cb9c-6174-2123-9b8407cb5082",
          "code": "43980",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=43980",
          "code_system": "NSC",
          "references": [
            "60956daa-7eb7-72e2-5952-7b1004452938"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "c25bee49-ba82-4882-82ad-48059636dde8",
          "name": "(E)-1-PROPENE-1,2,3-TRICARBOXYLIC ACID",
          "stdName": "(E)-1-PROPENE-1,2,3-TRICARBOXYLIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3a074192-3c36-4ccc-a60f-39f4c4a5fb70",
            "cf6c2b39-3322-40a3-b04f-b8d052e7855b"
          ],
          "display_name": false
        },
        {
          "uuid": "ea49b8e1-156c-4253-9aad-d9ec427ea6da",
          "name": "1-PROPENE-1,2,3-TRICARBOXYLIC ACID, (1E)-",
          "stdName": "1-PROPENE-1,2,3-TRICARBOXYLIC ACID, (1E)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3a074192-3c36-4ccc-a60f-39f4c4a5fb70",
            "cf6c2b39-3322-40a3-b04f-b8d052e7855b"
          ],
          "display_name": false
        },
        {
          "uuid": "3c5c4552-74e6-4e5a-87df-c78a3c58252c",
          "name": "ACONITIC ACID, (E)-",
          "stdName": "ACONITIC ACID, (E)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3a074192-3c36-4ccc-a60f-39f4c4a5fb70",
            "ff4ac238-56c6-4fac-a87e-6ac48a95c073"
          ],
          "display_name": true
        },
        {
          "uuid": "75e43219-86e1-472b-a4a2-84bfa64b400b",
          "name": "ACONITIC ACID, TRANS-",
          "stdName": "ACONITIC ACID, TRANS-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3a074192-3c36-4ccc-a60f-39f4c4a5fb70",
            "0e04052d-ffeb-4706-bf48-e38500fd3ef7"
          ],
          "display_name": false
        },
        {
          "uuid": "a2e98c7d-4d48-46fe-a33d-f1d477090d08",
          "name": "FEMA NO. 2010, E-",
          "stdName": "FEMA NO. 2010, E-",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "d8a86f96-c6f8-43c2-91cd-8d092894cb3c",
            "3a074192-3c36-4ccc-a60f-39f4c4a5fb70"
          ],
          "display_name": false
        },
        {
          "uuid": "b23ba738-ab4b-4019-a79c-8707bcb0b0ad",
          "name": "NSC-43980",
          "stdName": "NSC-43980",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3a074192-3c36-4ccc-a60f-39f4c4a5fb70",
            "cf6c2b39-3322-40a3-b04f-b8d052e7855b"
          ],
          "display_name": false
        },
        {
          "uuid": "6aefcfaf-170c-43e8-bd39-36daff1cc4af",
          "name": "TRANS-ACONITIC ACID",
          "stdName": "TRANS-ACONITIC ACID",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3a074192-3c36-4ccc-a60f-39f4c4a5fb70",
            "cf6c2b39-3322-40a3-b04f-b8d052e7855b"
          ],
          "display_name": false
        },
        {
          "uuid": "05329c1a-2d5f-4fb6-aeef-045b0caab2dd",
          "name": "TRANS-PROPENE-1,2,3-TRICARBOXYLIC ACID",
          "stdName": "TRANS-PROPENE-1,2,3-TRICARBOXYLIC ACID",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3a074192-3c36-4ccc-a60f-39f4c4a5fb70",
            "0e04052d-ffeb-4706-bf48-e38500fd3ef7"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "0e04052d-ffeb-4706-bf48-e38500fd3ef7",
          "citation": "SA",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "3a074192-3c36-4ccc-a60f-39f4c4a5fb70",
          "citation": "SIGMA-ALDRICH",
          "doc_type": "SIGMA-ALDRICH",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "cf6c2b39-3322-40a3-b04f-b8d052e7855b",
          "citation": "ChemID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "d8a86f96-c6f8-43c2-91cd-8d092894cb3c",
          "citation": "GRAS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ff4ac238-56c6-4fac-a87e-6ac48a95c073",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "0078856e-6089-43e7-8393-0d4d71849000",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390829000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "eb6db7ae-5a55-4bad-9b31-11038c012bc0",
          "citation": "SRS import [7DB37960CW]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=7DB37960CW",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390829000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "4024cc55-79c5-41f7-d6a8-e2f1e3d6fa41",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=4023-65-8",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "658d5ee6-67ed-49a9-ae3e-162cf7a1a836",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "4ec15663-a960-518c-bedf-0cb43c6407e9",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "60956daa-7eb7-72e2-5952-7b1004452938",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "c26203b8-407c-41e1-b139-e7caebc6a23b",
          "id": "c26203b8-407c-41e1-b139-e7caebc6a23b",
          "molfile": "\n  Marvin  01132110032D          \n\n 12 11  0  0  0  0            999 V2000\n   11.7718   -7.5498    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   10.9593   -7.6932    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.6771   -8.4684    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   10.4290   -7.0611    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.8415   -6.3467    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.4290   -5.6322    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.6040   -5.6322    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.3153   -6.1323    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1915   -4.9178    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   11.6665   -6.3467    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.0790   -5.6322    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   12.0790   -7.0611    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  2  0  0  0  0\n  4  2  1  0  0  0  0\n  5  4  1  0  0  0  0\n  5  6  2  0  0  0  0\n  5 10  1  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n  7  9  2  0  0  0  0\n 10 11  1  0  0  0  0\n 10 12  2  0  0  0  0\nM  END",
          "smiles": "C(=C(/CC(=O)O)\\C(=O)O)/C(=O)O",
          "formula": "C6H6O6",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "8a124abb-1d4a-4b1f-adce-1cf4c955ff03"
          },
          "defined_stereo": 0,
          "ez_centers": 1,
          "molecular_weight": "174.1085",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "44cde0f2-f070-46d8-97cb-76f65f6aa4ac",
      "version": "7",
      "structure": {
        "id": "26e9a089-ff0c-42db-87eb-21a00ced64d1",
        "molfile": "\n  Marvin  01132102092D          \n\n 12 11  0  0  0  0            999 V2000\n   10.8415   -6.3467    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.4290   -7.0611    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.9593   -7.6932    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.7718   -7.5498    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   10.6771   -8.4684    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   10.4290   -5.6322    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.6665   -6.3467    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.0790   -5.6322    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   12.0790   -7.0611    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.6040   -5.6322    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.3153   -6.1323    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1915   -4.9178    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  2  3  1  0  0  0  0\n  3  4  1  0  0  0  0\n  3  5  2  0  0  0  0\n  1  6  2  0  0  0  0\n  1  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n  7  9  2  0  0  0  0\n  6 10  1  0  0  0  0\n 10 11  2  0  0  0  0\n 10 12  1  0  0  0  0\nM  END",
        "smiles": "C(=C(/CC(=O)O)\\C(=O)O)/C(=O)O",
        "formula": "C6H6O6",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 1,
        "molecular_weight": "174.1085",
        "optical_activity": "NONE",
        "references": [
          "eb6db7ae-5a55-4bad-9b31-11038c012bc0",
          "0e04052d-ffeb-4706-bf48-e38500fd3ef7"
        ],
        "stereo_centers": 0
      },
      "unii": "7DB37960CW"
    }
  ]
}