{
  "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": "d5c15d87-4725-4ca8-8d2b-2dce5e992b34",
          "code": "2379-55-7",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=2379-55-7",
          "code_system": "CAS",
          "references": [
            "1511923d-136d-430b-a659-0b748d2ea883",
            "7ef533d4-ec48-46c8-a169-301ec6194d57"
          ]
        },
        {
          "uuid": "9659f78e-8859-4b90-9f1e-fbb69e229a38",
          "code": "219-162-0",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.017.421",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "1511923d-136d-430b-a659-0b748d2ea883"
          ]
        },
        {
          "uuid": "8a518dba-6073-4911-9ca9-5d2a331be7c1",
          "code": "16925",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/16925",
          "code_system": "PUBCHEM",
          "references": [
            "1511923d-136d-430b-a659-0b748d2ea883"
          ]
        },
        {
          "uuid": "c00f75ed-0244-3fac-0797-790ffdaf1721",
          "code": "DTXSID4062355",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID4062355",
          "code_system": "EPA CompTox",
          "references": [
            "44fce522-318c-6e2e-3fb3-922640416309"
          ]
        },
        {
          "uuid": "56f250fb-dd2b-4e6c-8411-87e3905ee07a",
          "code": "4K2NH2OBE9",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "1b604597-6aec-f3b5-d6b7-e0f65030160a",
          "code": "132810",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:132810",
          "code_system": "CHEBI",
          "references": [
            "94ab9bc8-15cf-bdea-98db-cbc2722ed941"
          ]
        },
        {
          "uuid": "9a90ec7c-9e3f-cb5b-7bfc-36e4ad971a51",
          "code": "1789",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=1789",
          "code_system": "NSC",
          "references": [
            "a91f0fc8-0936-01d3-cbd8-777c5e968df1"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "897b2c51-e00b-4282-87a0-dbcf6a268299",
          "name": "2,3-DIMETHYLQUINOXALINE",
          "stdName": "2,3-DIMETHYLQUINOXALINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "527e56d2-2bf3-49a7-b986-af928d48df60"
          ],
          "display_name": true
        },
        {
          "uuid": "9dba5ebd-3360-4fa4-a40f-2a77c7dc8715",
          "name": "NSC-1789",
          "stdName": "NSC-1789",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "10c1ecf2-13ec-432a-b4e2-fb6bfd2ce926"
          ],
          "display_name": false
        },
        {
          "uuid": "eea2d64b-e908-0296-bb72-9d95eaefb2dc",
          "name": "QUINOXALINE, 2,3-DIMETHYL-",
          "stdName": "QUINOXALINE, 2,3-DIMETHYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1840a92f-6c0e-19da-d513-f185151cf22b"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "527e56d2-2bf3-49a7-b986-af928d48df60",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "10c1ecf2-13ec-432a-b4e2-fb6bfd2ce926",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "1511923d-136d-430b-a659-0b748d2ea883",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392270000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "44fce522-318c-6e2e-3fb3-922640416309",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=2379-55-7",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "1840a92f-6c0e-19da-d513-f185151cf22b",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "7ef533d4-ec48-46c8-a169-301ec6194d57",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "94ab9bc8-15cf-bdea-98db-cbc2722ed941",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "a91f0fc8-0936-01d3-cbd8-777c5e968df1",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "ce5bca87-c807-4519-9f04-feff493e9c7c",
          "id": "ce5bca87-c807-4519-9f04-feff493e9c7c",
          "molfile": "\n  Marvin  01132110392D          \n\n 12 13  0  0  0  0            999 V2000\n    0.0000   -1.6535    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7107   -1.2393    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4214   -1.6535    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1393   -1.2393    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8607   -1.6535    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5714   -1.2393    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5714   -0.4143    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8607    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1393   -0.4143    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4214    0.0000    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7107   -0.4143    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  3  2  1  0  0  0  0\n 11  2  2  0  0  0  0\n  3  4  2  0  0  0  0\n  4  5  1  0  0  0  0\n  4  9  1  0  0  0  0\n  5  6  2  0  0  0  0\n  6  7  1  0  0  0  0\n  8  7  2  0  0  0  0\n  9  8  1  0  0  0  0\n 10  9  2  0  0  0  0\n 10 11  1  0  0  0  0\n 11 12  1  0  0  0  0\nM  END",
          "smiles": "Cc1c(C)nc2ccccc2n1",
          "formula": "C10H10N2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "71a9ae6a-06a1-4812-890d-9a02cd0e2a32"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "158.2002",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "26f32cc5-bc5c-4842-9ca8-cb1a7440f86b",
      "version": "8",
      "structure": {
        "id": "e697e98d-0adc-4043-a74f-77a491e8262f",
        "molfile": "\n  Marvin  01132111562D          \n\n 12 13  0  0  0  0            999 V2000\n    1.4214   -1.6535    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4214    0.0000    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7107   -0.4143    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7107   -1.2393    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1393   -1.2393    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1393   -0.4143    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -1.6535    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8607    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8607   -1.6535    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5714   -1.2393    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5714   -0.4143    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  4  1  0  0  0  0\n  1  5  2  0  0  0  0\n  2  3  1  0  0  0  0\n  2  6  2  0  0  0  0\n  3  4  2  0  0  0  0\n  3  8  1  0  0  0  0\n  4  7  1  0  0  0  0\n  5  6  1  0  0  0  0\n  5 10  1  0  0  0  0\n  6  9  1  0  0  0  0\n  9 12  2  0  0  0  0\n 10 11  2  0  0  0  0\n 11 12  1  0  0  0  0\nM  END",
        "smiles": "Cc1c(C)nc2ccccc2n1",
        "formula": "C10H10N2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "158.2002",
        "optical_activity": "NONE",
        "references": [
          "1840a92f-6c0e-19da-d513-f185151cf22b",
          "527e56d2-2bf3-49a7-b986-af928d48df60"
        ],
        "stereo_centers": 0
      },
      "unii": "4K2NH2OBE9"
    }
  ]
}