{
  "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": "de581503-41d8-4b16-b9c3-4514bf9277a3",
          "code": "94-82-6",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=94-82-6",
          "code_system": "CAS",
          "references": [
            "4eda2dfe-ae89-45aa-96a3-26427de4be23",
            "cffc17b1-27f5-4e6a-9c27-59e582217954"
          ]
        },
        {
          "uuid": "fb12f902-6e72-49a3-b9c7-c5d3853fc211",
          "code": "C004764",
          "type": "PRIMARY",
          "url": "http://www.ncbi.nlm.nih.gov/mesh/67004764",
          "code_system": "MESH",
          "references": [
            "4eda2dfe-ae89-45aa-96a3-26427de4be23"
          ]
        },
        {
          "uuid": "67c673ab-9d16-4da9-afe5-9f171800e507",
          "code": "2,4-DB",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/2,4-DB",
          "code_system": "WIKIPEDIA",
          "references": [
            "4eda2dfe-ae89-45aa-96a3-26427de4be23"
          ]
        },
        {
          "uuid": "a4f277ce-a5f0-483e-bcb3-74d08b16ba51",
          "code": "30801",
          "comments": "EPA PESTICIDE|CONVENTIONAL CHEMICAL",
          "type": "PRIMARY",
          "url": "http://iaspub.epa.gov/apex/pesticides/f?p=CHEMICALSEARCH:3:0::NO:21,3,31,7,12,25:P3_XCHEMICAL_ID:785",
          "code_system": "EPA PESTICIDE CODE",
          "references": [
            "4eda2dfe-ae89-45aa-96a3-26427de4be23"
          ]
        },
        {
          "uuid": "a64bd93c-dc6e-4baa-b939-37ea3e7d5194",
          "code": "202-366-9",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.002.152",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "4eda2dfe-ae89-45aa-96a3-26427de4be23"
          ]
        },
        {
          "uuid": "726958e8-daff-47ff-abef-a1543c6258b9",
          "code": "m4108",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m4108?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "4eda2dfe-ae89-45aa-96a3-26427de4be23"
          ]
        },
        {
          "uuid": "d42fb253-e665-428b-b164-e2110a3faa42",
          "code": "1489",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/1489",
          "code_system": "PUBCHEM",
          "references": [
            "4eda2dfe-ae89-45aa-96a3-26427de4be23"
          ]
        },
        {
          "uuid": "c595adb0-931a-6175-5407-60dbae5b1d28",
          "code": "DTXSID7024035",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID7024035",
          "code_system": "EPA CompTox",
          "references": [
            "7460c108-fdee-f4e4-cb05-f270add99bed"
          ]
        },
        {
          "uuid": "9e6c60f2-3655-8203-ff19-bda32e2824fd",
          "code": "6603",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/source/hsdb/6603",
          "code_system": "HSDB",
          "references": [
            "52ab0795-3438-6fe2-735f-5da8943c2701"
          ]
        },
        {
          "uuid": "5a7baebb-80cb-4f55-82d0-5fe9280bb8fd",
          "code": "SL314DW868",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "dc2b11b4-e574-e442-1b90-7e24cfd942d0",
          "code": "73173",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:73173",
          "code_system": "CHEBI",
          "references": [
            "07855d41-d867-5ac9-0a74-71180d0b7439"
          ]
        },
        {
          "uuid": "a1c00b0e-cfed-ea5e-71bb-c852ac911cd7",
          "code": "70337",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=70337",
          "code_system": "NSC",
          "references": [
            "efb026d6-c097-9e16-aa78-77c36ea28b84"
          ]
        },
        {
          "uuid": "618b7b06-2557-6db5-0885-5916ee464fe4",
          "code": "2,4-DB",
          "type": "PRIMARY",
          "url": "https://pesticidecompendium.bcpc.org/2,4-DB.html",
          "code_system": "ALANWOOD",
          "references": [
            "3b494d2d-77e4-a764-050a-e0c61507f7d8"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "4b9b480e-f253-4baf-bfaa-ea3406178e5e",
          "name": "2,4-D BUTYRIC ACID",
          "stdName": "2,4-D BUTYRIC ACID",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "233667e7-d52b-452a-b8eb-bac86bd22a96",
            "5f544f72-4397-4176-8cba-27d447c3021a"
          ],
          "display_name": false
        },
        {
          "uuid": "3a1ec210-5c71-4a31-97a0-6167ccecc8c4",
          "name": "2,4-DB",
          "stdName": "2,4-DB",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7734cace-608b-4d01-a8ce-cfbfe4ee1df2",
            "890de4f7-268d-4b26-8074-3de1b4c77b0e",
            "a55161c5-0f5a-4379-a94d-7e98d04024f7",
            "2a46fd38-668b-4487-97e9-797b2afed0c1",
            "73563abb-4e3d-4d7c-9fe9-2ea4f713676e",
            "91af680c-895a-4a42-bfa8-358ffce44262",
            "233667e7-d52b-452a-b8eb-bac86bd22a96",
            "76724e41-8729-4a20-9421-55b744615f74"
          ],
          "display_name": true
        },
        {
          "uuid": "63a0aa1b-c7b0-4022-a4dd-15b2729b6f2a",
          "name": "2,4-DB [HSDB]",
          "stdName": "2,4-DB [HSDB]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "73563abb-4e3d-4d7c-9fe9-2ea4f713676e",
            "233667e7-d52b-452a-b8eb-bac86bd22a96"
          ],
          "display_name": false
        },
        {
          "uuid": "fae09007-b888-4ce3-8632-8fe46494952e",
          "name": "2,4-DB [ISO]",
          "stdName": "2,4-DB [ISO]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "233667e7-d52b-452a-b8eb-bac86bd22a96",
            "2a46fd38-668b-4487-97e9-797b2afed0c1"
          ],
          "display_name": false
        },
        {
          "uuid": "d888f0f5-bdd0-4436-b0bc-fd61744757cb",
          "name": "2,4-DB [MI]",
          "stdName": "2,4-DB [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "91af680c-895a-4a42-bfa8-358ffce44262",
            "233667e7-d52b-452a-b8eb-bac86bd22a96"
          ],
          "display_name": false
        },
        {
          "uuid": "7e439d83-5e6c-46f4-a5fd-390817bff7b4",
          "name": "4-(2,4-DICHLOROPHENOXY)BUTANOIC ACID",
          "stdName": "4-(2,4-DICHLOROPHENOXY)BUTANOIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "233667e7-d52b-452a-b8eb-bac86bd22a96",
            "3e23b7e8-900f-49a0-8659-83c76996b77a"
          ],
          "display_name": false
        },
        {
          "uuid": "71d54ef9-4726-2998-ddef-8fb09303c17b",
          "name": "4-(2,4-DICHLOROPHENOXY)BUTYRIC ACID",
          "stdName": "4-(2,4-DICHLOROPHENOXY)BUTYRIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2b20c45f-119c-4e55-a9e3-c17281c66d4c"
          ],
          "display_name": false
        },
        {
          "uuid": "f06445a8-1399-4050-85e0-bda9d77c0220",
          "name": "NSC-70337",
          "stdName": "NSC-70337",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "233667e7-d52b-452a-b8eb-bac86bd22a96",
            "5f544f72-4397-4176-8cba-27d447c3021a"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "7734cace-608b-4d01-a8ce-cfbfe4ee1df2",
          "citation": "MERCK",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "91af680c-895a-4a42-bfa8-358ffce44262",
          "citation": "MERCK INDEX",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "233667e7-d52b-452a-b8eb-bac86bd22a96",
          "citation": "MERCK INDEX",
          "doc_type": "MERCK INDEX",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "3e23b7e8-900f-49a0-8659-83c76996b77a",
          "citation": "Merck",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "5f544f72-4397-4176-8cba-27d447c3021a",
          "citation": "ChemID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "73563abb-4e3d-4d7c-9fe9-2ea4f713676e",
          "citation": "HSDB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2a46fd38-668b-4487-97e9-797b2afed0c1",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "4eda2dfe-ae89-45aa-96a3-26427de4be23",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391004000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "66cf00f1-3144-4c60-86c8-01dead7edf18",
          "citation": "SRS import [SL314DW868]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=SL314DW868",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391004000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2b20c45f-119c-4e55-a9e3-c17281c66d4c",
          "citation": "CHEMID  2011",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "76724e41-8729-4a20-9421-55b744615f74",
          "citation": "2,4-DB [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "a55161c5-0f5a-4379-a94d-7e98d04024f7",
          "citation": "2,4-DB [HSDB]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "890de4f7-268d-4b26-8074-3de1b4c77b0e",
          "citation": "2,4-DB [ISO]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "52ab0795-3438-6fe2-735f-5da8943c2701",
          "citation": "WEBSITE",
          "url": "https://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+94-82-6",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "7460c108-fdee-f4e4-cb05-f270add99bed",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=94-82-6",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "cffc17b1-27f5-4e6a-9c27-59e582217954",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "3b494d2d-77e4-a764-050a-e0c61507f7d8",
          "citation": "AW",
          "doc_type": "ALANWOOD",
          "public_domain": true
        },
        {
          "uuid": "07855d41-d867-5ac9-0a74-71180d0b7439",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "efb026d6-c097-9e16-aa78-77c36ea28b84",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "14437e30-dbd8-44ad-ac2b-483a77688b8a",
          "id": "14437e30-dbd8-44ad-ac2b-483a77688b8a",
          "molfile": "\n  Marvin  01132101152D          \n\n 15 15  0  0  0  0            999 V2000\n   10.0691   -6.9571    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.6630   -6.2288    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.0691   -5.5183    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8377   -6.2288    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4186   -5.5359    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.5887   -5.5359    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1695   -4.8253    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3397   -4.8253    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9381   -5.5359    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1172   -5.5359    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.6937   -4.8475    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.8681   -4.8475    0.0000 Cl  0  0  0  0  0  0  0  0  0  0  0  0\n    5.0907   -4.1148    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9205   -4.1148    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3045   -3.3646    0.0000 Cl  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  6  5  1  0  0  0  0\n  7  6  1  0  0  0  0\n  8  7  1  0  0  0  0\n  8  9  1  0  0  0  0\n  8 14  2  0  0  0  0\n  9 10  2  0  0  0  0\n 10 11  1  0  0  0  0\n 11 12  1  0  0  0  0\n 13 11  2  0  0  0  0\n 14 13  1  0  0  0  0\n 14 15  1  0  0  0  0\nM  END",
          "smiles": "C(CC(=O)O)COc1ccc(cc1Cl)Cl",
          "formula": "C10H10Cl2O3",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "276fb14d-8c24-4a32-9856-39ea7f1d411f"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "249.0909",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "2f09695c-ea6f-47eb-90e8-b43c7306ae12",
      "version": "8",
      "structure": {
        "id": "81d3f904-ad5c-42ea-96cd-366a7c7bb0e3",
        "molfile": "\n  Marvin  01132106442D          \n\n 15 15  0  0  0  0            999 V2000\n    6.3397   -4.8253    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9205   -4.1148    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.0907   -4.1148    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.6937   -4.8475    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.8681   -4.8475    0.0000 Cl  0  0  0  0  0  0  0  0  0  0  0  0\n    5.1172   -5.5359    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9381   -5.5359    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3045   -3.3646    0.0000 Cl  0  0  0  0  0  0  0  0  0  0  0  0\n    7.1695   -4.8253    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.5887   -5.5359    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4186   -5.5359    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8377   -6.2288    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.6630   -6.2288    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.0691   -6.9571    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   10.0691   -5.5183    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  2  0  0  0  0\n  2  3  1  0  0  0  0\n  3  4  2  0  0  0  0\n  4  5  1  0  0  0  0\n  6  4  1  0  0  0  0\n  7  6  2  0  0  0  0\n  1  7  1  0  0  0  0\n  2  8  1  0  0  0  0\n  1  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n 10 11  1  0  0  0  0\n 11 12  1  0  0  0  0\n 12 13  1  0  0  0  0\n 13 14  1  0  0  0  0\n 13 15  2  0  0  0  0\nM  END",
        "smiles": "C(CC(=O)O)COc1ccc(cc1Cl)Cl",
        "formula": "C10H10Cl2O3",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "249.0909",
        "optical_activity": "NONE",
        "references": [
          "2b20c45f-119c-4e55-a9e3-c17281c66d4c",
          "66cf00f1-3144-4c60-86c8-01dead7edf18"
        ],
        "stereo_centers": 0
      },
      "unii": "SL314DW868"
    }
  ]
}