{
  "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": "43329db6-1882-45a2-989e-1cfc5ba96f09",
          "code": "MENTHOFURAN",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=5160",
          "code_system": "JECFA EVALUATION",
          "references": [
            "022ea866-e853-493b-8f72-495349b14bac"
          ]
        },
        {
          "uuid": "64ea88ff-f6cc-4cbe-a27c-6d1a64a50e21",
          "code": "494-90-6",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=494-90-6",
          "code_system": "CAS",
          "references": [
            "022ea866-e853-493b-8f72-495349b14bac",
            "7a7b63c4-f084-40b8-b5f6-4acc57ad2672"
          ]
        },
        {
          "uuid": "6dff469c-d098-415b-a781-33a1f37944e4",
          "code": "SUB174145",
          "type": "PRIMARY",
          "code_system": "EVMPD",
          "references": [
            "022ea866-e853-493b-8f72-495349b14bac"
          ]
        },
        {
          "uuid": "18b79e47-c32f-4b62-bd35-19085dd61f10",
          "code": "207-795-5",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.007.087",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "022ea866-e853-493b-8f72-495349b14bac"
          ]
        },
        {
          "uuid": "da70c8f6-8a67-45be-ab5d-9ba49419e97c",
          "code": "329983",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/329983",
          "code_system": "PUBCHEM",
          "references": [
            "022ea866-e853-493b-8f72-495349b14bac"
          ]
        },
        {
          "uuid": "a97fd300-7f4f-4cf3-5e72-51013f266024",
          "code": "Menthofuran",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/Menthofuran",
          "code_system": "WIKIPEDIA",
          "references": [
            "aa4700dc-5f43-f3f4-6a13-65de18e09c23"
          ]
        },
        {
          "uuid": "7b15f237-e4f1-e6a3-5006-a018e601c71d",
          "code": "DTXSID9025534",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID9025534",
          "code_system": "EPA CompTox",
          "references": [
            "fe6c971a-5a3d-7130-a8fc-71528b9264a1"
          ]
        },
        {
          "uuid": "a248fcd7-8eae-4199-8beb-f3ffaeaa2531",
          "code": "LK024V9U3C",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "d1cc518d-00bc-aace-b288-db63990f2b78",
          "code": "6750",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:6750",
          "code_system": "CHEBI",
          "references": [
            "5251e71f-0afe-244b-1c3d-9ed4f4c9d245"
          ]
        },
        {
          "uuid": "f8de6db6-7f80-b471-c8e9-497cc606caf7",
          "code": "100000160961",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "e8bca393-66b6-c0de-6d84-6cd4294fd4dd"
          ]
        },
        {
          "uuid": "d8692ae0-06e3-217a-4b05-6850c5f421f5",
          "code": "315249",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=315249",
          "code_system": "NSC",
          "references": [
            "bad0cfae-9fa1-ab41-ec36-0e13aa289396"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "5ce64406-d935-40c2-91e4-1cc690576816",
          "name": "3,6-DIMETHYL-4,5,6,7-TETRAHYDROBENZOFURAN",
          "stdName": "3,6-DIMETHYL-4,5,6,7-TETRAHYDROBENZOFURAN",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "12c65b25-bc94-46b7-8cb9-a976aeeb0cb3",
            "adfdb043-e464-4bfd-808c-624a835fcd3d"
          ],
          "display_name": false
        },
        {
          "uuid": "b6de281e-dcd1-4a12-94b1-9706d40b2b0d",
          "name": "BENZOFURAN, 4,5,6,7-TETRAHYDRO-3,6-DIMETHYL-",
          "stdName": "BENZOFURAN, 4,5,6,7-TETRAHYDRO-3,6-DIMETHYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "12c65b25-bc94-46b7-8cb9-a976aeeb0cb3",
            "adfdb043-e464-4bfd-808c-624a835fcd3d"
          ],
          "display_name": false
        },
        {
          "uuid": "6eed1ec3-2ee4-4483-a2c4-16396d449d9b",
          "name": "MENTHOFURAN",
          "stdName": "MENTHOFURAN",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "12c65b25-bc94-46b7-8cb9-a976aeeb0cb3",
            "adfdb043-e464-4bfd-808c-624a835fcd3d"
          ],
          "display_name": false
        },
        {
          "uuid": "92911ef1-075f-4f66-ad66-4f40614fd280",
          "name": "MENTHOFURAN, (±)-",
          "stdName": "MENTHOFURAN, (+/-)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c3b349eb-a188-46b4-820a-a9efec6882ac",
            "12c65b25-bc94-46b7-8cb9-a976aeeb0cb3"
          ],
          "display_name": true
        },
        {
          "uuid": "81b62488-4866-4b1c-a8bd-069f7df4188a",
          "name": "NSC-315249",
          "stdName": "NSC-315249",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "12c65b25-bc94-46b7-8cb9-a976aeeb0cb3",
            "adfdb043-e464-4bfd-808c-624a835fcd3d"
          ],
          "display_name": false
        },
        {
          "uuid": "d4e40f29-cd8b-4626-98d4-f85b24bfce18",
          "name": "P-MENTHA-3,8-DIENE, 3,9-EPOXY-",
          "stdName": "P-MENTHA-3,8-DIENE, 3,9-EPOXY-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "12c65b25-bc94-46b7-8cb9-a976aeeb0cb3",
            "adfdb043-e464-4bfd-808c-624a835fcd3d"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "c3b349eb-a188-46b4-820a-a9efec6882ac",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "12c65b25-bc94-46b7-8cb9-a976aeeb0cb3",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "adfdb043-e464-4bfd-808c-624a835fcd3d",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "022ea866-e853-493b-8f72-495349b14bac",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392018000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "22bf43e8-bf9a-43d1-bbdd-e263f72cdab2",
          "citation": "SRS import [LK024V9U3C]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=LK024V9U3C",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392018000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "aa4700dc-5f43-f3f4-6a13-65de18e09c23",
          "citation": "WIKI",
          "url": "https://en.wikipedia.org/wiki/Menthofuran",
          "doc_type": "WIKI",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "fe6c971a-5a3d-7130-a8fc-71528b9264a1",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=494-90-6",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "7a7b63c4-f084-40b8-b5f6-4acc57ad2672",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "5251e71f-0afe-244b-1c3d-9ed4f4c9d245",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "bad0cfae-9fa1-ab41-ec36-0e13aa289396",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "e8bca393-66b6-c0de-6d84-6cd4294fd4dd",
          "citation": "EU-SRS",
          "doc_type": "EMA LIST",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "6c968292-c644-4f34-9dd9-75e1ec7421e8",
          "id": "6c968292-c644-4f34-9dd9-75e1ec7421e8",
          "molfile": "\n  Marvin  01132105382D          \n\n 11 12  0  0  0  0            999 V2000\n   -1.7065   -1.1385    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.9920   -0.7260    0.0000 C   0  0  0  0  0  0  0  0  0  3  0  0\n   -0.9920    0.0990    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.2775    0.5115    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4369    0.0990    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2216    0.3539    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4765    1.1385    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.7065   -0.3135    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2216   -0.9810    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4369   -0.7260    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.2775   -1.1385    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  2 11  1  0  0  0  0\n  4  3  1  0  0  0  0\n  4  5  1  0  0  0  0\n  6  5  1  0  0  0  0\n  5 10  2  0  0  0  0\n  6  7  1  0  0  0  0\n  8  6  2  0  0  0  0\n  9  8  1  0  0  0  0\n  9 10  1  0  0  0  0\n 11 10  1  0  0  0  0\nM  END",
          "smiles": "CC1CCc2c(C)coc2C1",
          "formula": "C10H14O",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "RACEMIC",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "662ef3bb-b5ab-4af9-b0f9-a6c4a48aed83"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "150.2179",
          "optical_activity": "( + / - )",
          "stereo_centers": 1
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "689bdf02-6163-4dec-a1c7-79d9097196cb",
      "version": "8",
      "structure": {
        "id": "b8e7dea3-a994-492f-b811-82e9ace95394",
        "molfile": "\n  Marvin  01132109342D          \n\n 11 12  0  0  0  0            999 V2000\n    1.2216   -0.9810    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    1.7065   -0.3135    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2216    0.3539    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4369    0.0990    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4369   -0.7260    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.2775    0.5115    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.9920    0.0990    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.9920   -0.7260    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.2775   -1.1385    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.7065   -1.1385    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4765    1.1385    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  2  3  2  0  0  0  0\n  3  4  1  0  0  0  0\n  4  5  2  0  0  0  0\n  1  5  1  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9  5  1  0  0  0  0\n  6  4  1  0  0  0  0\n  8 10  1  0  0  0  0\n  3 11  1  0  0  0  0\nM  END",
        "smiles": "CC1CCc2c(C)coc2C1",
        "formula": "C10H14O",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "RACEMIC",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "150.2179",
        "optical_activity": "( + / - )",
        "references": [
          "22bf43e8-bf9a-43d1-bbdd-e263f72cdab2",
          "adfdb043-e464-4bfd-808c-624a835fcd3d"
        ],
        "stereo_centers": 1
      },
      "unii": "LK024V9U3C"
    }
  ]
}