{
  "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": "4bc46b10-41f1-4ac2-bba4-d1055b19f628",
          "code": "51173-63-8",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=51173-63-8",
          "code_system": "CAS",
          "references": [
            "7501fbeb-4a7b-41d8-87c7-da36c7708d43",
            "2627ee0b-6e76-4dc9-b04c-1bbaaddb9425"
          ]
        },
        {
          "uuid": "cddcddaa-af4b-4a7e-bfd0-d6ebf6b858d4",
          "code": "30027",
          "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:1006",
          "code_system": "EPA PESTICIDE CODE",
          "references": [
            "7501fbeb-4a7b-41d8-87c7-da36c7708d43"
          ]
        },
        {
          "uuid": "8d0213e2-e5cd-41f3-93f9-dee40b7abd03",
          "code": "257-030-4",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.051.829",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "7501fbeb-4a7b-41d8-87c7-da36c7708d43"
          ]
        },
        {
          "uuid": "4e22df44-3a2b-c584-f6d6-fe2c080be050",
          "code": "DTXSID0034304",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID0034304",
          "code_system": "EPA CompTox",
          "references": [
            "02572c87-34fb-90f6-041f-20dd87c737ed"
          ]
        },
        {
          "uuid": "ca6818a0-5f57-f0b8-f30d-e2e0c8b22aa1",
          "code": "6452361",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/6452361",
          "code_system": "PUBCHEM",
          "references": [
            "d029d307-d212-68a2-b0ae-574985c2a0b4"
          ]
        },
        {
          "uuid": "7746e4e2-c7b0-4741-b801-8147b7f651fb",
          "code": "44D3W91I4G",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "33a6d8fb-6a8c-7031-db82-84d57227efc5",
          "code": "2,4-D-methylammonium",
          "type": "PRIMARY",
          "url": "https://pesticidecompendium.bcpc.org/2,4-D-methylammonium.html",
          "code_system": "ALANWOOD",
          "references": [
            "56b3a598-0272-e585-ee2b-88a219634ad1"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "6808abe7-b9b2-44fc-8606-1dba6869da49",
          "name": "2,4-D METHYLAMINE",
          "stdName": "2,4-D METHYLAMINE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "09ecbe15-b3c2-4567-85be-27b09db810be"
          ],
          "display_name": false
        },
        {
          "uuid": "e2490fef-170f-4cdb-b132-27687c7fe193",
          "name": "2,4-D METHYLAMINE SALT",
          "stdName": "2,4-D METHYLAMINE SALT",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0cde0c01-7b7a-4c98-b513-a2ca7409c7a4"
          ],
          "display_name": false
        },
        {
          "uuid": "0dddee1b-afa4-4e23-97b6-0717f3950bf9",
          "name": "2,4-D METHYLAMMONIUM",
          "stdName": "2,4-D METHYLAMMONIUM",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "09ecbe15-b3c2-4567-85be-27b09db810be"
          ],
          "display_name": true
        },
        {
          "uuid": "32c838d4-2dfe-4ee3-9140-4e0d24f094f5",
          "name": "ACETIC ACID, (2,4-DICHLOROPHENOXY)-, COMPD. WITH METHANAMINE (1:1)",
          "stdName": "ACETIC ACID, (2,4-DICHLOROPHENOXY)-, COMPD. WITH METHANAMINE (1:1)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bc729e85-6a17-4412-b5bd-0fd89e8a9263"
          ],
          "display_name": false
        },
        {
          "uuid": "43b86d7d-f9ce-4240-af03-1b1feac6c3b3",
          "name": "ACETIC ACID, 2-(2,4-DICHLOROPHENOXY)-, COMPD. WITH METHANAMINE (1:1)",
          "stdName": "ACETIC ACID, 2-(2,4-DICHLOROPHENOXY)-, COMPD. WITH METHANAMINE (1:1)",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0cde0c01-7b7a-4c98-b513-a2ca7409c7a4"
          ],
          "display_name": false
        },
        {
          "uuid": "153873df-0489-428a-ad11-157db6bebd66",
          "name": "METHANAMINE, (2,4-DICHLOROPHENOXY)ACETATE",
          "stdName": "METHANAMINE, (2,4-DICHLOROPHENOXY)ACETATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0cde0c01-7b7a-4c98-b513-a2ca7409c7a4"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "bc729e85-6a17-4412-b5bd-0fd89e8a9263",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "0cde0c01-7b7a-4c98-b513-a2ca7409c7a4",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "09ecbe15-b3c2-4567-85be-27b09db810be",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "7501fbeb-4a7b-41d8-87c7-da36c7708d43",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392053000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2bd47bc9-da4c-4a70-b4c5-679dfdcd34ed",
          "citation": "SRS import [44D3W91I4G]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=44D3W91I4G",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392053000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "02572c87-34fb-90f6-041f-20dd87c737ed",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=51173-63-8",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "d029d307-d212-68a2-b0ae-574985c2a0b4",
          "citation": "PUBCHEM",
          "doc_type": "PUBCHEM",
          "public_domain": true
        },
        {
          "uuid": "2627ee0b-6e76-4dc9-b04c-1bbaaddb9425",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "56b3a598-0272-e585-ee2b-88a219634ad1",
          "citation": "AW",
          "doc_type": "ALANWOOD",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "5674e97d-3f41-4c85-ae76-d11e629c26b9",
          "id": "5674e97d-3f41-4c85-ae76-d11e629c26b9",
          "molfile": "\n  Marvin  01132104302D          \n\n  2  1  0  0  0  0            999 V2000\n    5.0262   -2.3522    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.8512   -2.3522    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\nM  END",
          "smiles": "CN",
          "formula": "CH5N",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "85db2dd6-3366-44c4-8257-7343a5894bd4"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "31.0571",
          "optical_activity": "NONE",
          "stereo_centers": 0
        },
        {
          "uuid": "142aa661-234e-489e-8bc5-f426b3165dbe",
          "id": "142aa661-234e-489e-8bc5-f426b3165dbe",
          "molfile": "\n  Marvin  01132101152D          \n\n 13 13  0  0  0  0            999 V2000\n    4.2772    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2772   -0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9969   -1.2288    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5692   -1.2288    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8378   -0.8250    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1415   -1.2288    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4277   -0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7139   -1.2288    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7139   -2.0538    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -2.4692    0.0000 Cl  0  0  0  0  0  0  0  0  0  0  0  0\n    1.4277   -2.4692    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1415   -2.0538    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8378   -2.4692    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  2  4  1  0  0  0  0\n  4  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  6 12  2  0  0  0  0\n  7  8  2  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n 11  9  2  0  0  0  0\n 12 11  1  0  0  0  0\n 12 13  1  0  0  0  0\nM  END",
          "smiles": "c1cc(c(cc1Cl)Cl)OCC(=O)O",
          "formula": "C8H6Cl2O3",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "da943281-2e3a-4683-bc29-be814ec813ce"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "221.0376",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "2c758351-2512-4147-a77a-403e33c48caa",
      "version": "6",
      "structure": {
        "id": "2363b6ce-d187-428b-bcfc-e40986b4203e",
        "molfile": "\n  Marvin  01132101592D          \n\n 15 14  0  0  0  0            999 V2000\n    4.2772   -0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2772    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9969   -1.2288    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5692   -1.2288    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8378   -0.8250    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1415   -1.2288    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1415   -2.0538    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4277   -0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4277   -2.4692    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7139   -1.2288    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7139   -2.0538    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8378   -2.4692    0.0000 Cl  0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -2.4692    0.0000 Cl  0  0  0  0  0  0  0  0  0  0  0  0\n    5.8512   -2.3522    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    5.0262   -2.3522    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  2  0  0  0  0\n  1  3  1  0  0  0  0\n  1  4  1  0  0  0  0\n  4  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  2  0  0  0  0\n  6  8  1  0  0  0  0\n  7  9  1  0  0  0  0\n  7 12  1  0  0  0  0\n  8 10  2  0  0  0  0\n  9 11  2  0  0  0  0\n 10 11  1  0  0  0  0\n 11 13  1  0  0  0  0\n 14 15  1  0  0  0  0\nM  END",
        "smiles": "c1cc(c(cc1Cl)Cl)OCC(=O)O.CN",
        "formula": "C8H6Cl2O3.CH5N",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "252.0948",
        "optical_activity": "NONE",
        "references": [
          "bc729e85-6a17-4412-b5bd-0fd89e8a9263",
          "2bd47bc9-da4c-4a70-b4c5-679dfdcd34ed"
        ],
        "stereo_centers": 0
      },
      "unii": "44D3W91I4G"
    }
  ]
}