{
  "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": "9dc6dae7-c164-4d91-9fe0-534daa345e95",
          "code": "3,4-DIMETHOXY-1-VINYLBENZENE",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=4659",
          "code_system": "JECFA EVALUATION",
          "references": [
            "23c5a68f-6a50-4e41-898a-951f62d8610b"
          ]
        },
        {
          "uuid": "c3eb7558-4397-4b42-8fbb-5e1c181a628c",
          "code": "6380-23-0",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=6380-23-0",
          "code_system": "CAS",
          "references": [
            "23c5a68f-6a50-4e41-898a-951f62d8610b",
            "d2197f10-5049-49b3-b511-4475297506ba"
          ]
        },
        {
          "uuid": "1d67b94f-9445-4116-b88b-56678d7d7066",
          "code": "228-962-9",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.026.330",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "23c5a68f-6a50-4e41-898a-951f62d8610b"
          ]
        },
        {
          "uuid": "6a466aa7-d111-4375-8f68-7a432d41483a",
          "code": "61400",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/61400",
          "code_system": "PUBCHEM",
          "references": [
            "23c5a68f-6a50-4e41-898a-951f62d8610b"
          ]
        },
        {
          "uuid": "950768c0-f67f-aa15-91cc-6ca3aa652d01",
          "code": "3,4-Dimethoxystyrene",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/3,4-Dimethoxystyrene",
          "code_system": "WIKIPEDIA",
          "references": [
            "1fec3d37-a9bc-b81a-fdf3-ad0e8e55a059"
          ]
        },
        {
          "uuid": "a8a7defe-fcb3-51ba-20b6-47d4eae5a683",
          "code": "DTXSID6064296",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID6064296",
          "code_system": "EPA CompTox",
          "references": [
            "3dc59b4a-5cb5-f1e9-fd96-e84b81332ef3"
          ]
        },
        {
          "uuid": "b432ae39-2ad0-490d-a81d-efe26ae8a845",
          "code": "50PLH4M73W",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "c5bedc6e-e357-e21c-30a4-d215b493d8bf",
          "code": "1260",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/1260/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "ebab5162-f7f9-02e9-85f8-a643a7e4ed06"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "49a86e73-1ed7-46ca-a89f-bccca42c53ea",
          "name": "3,4-DIMETHOXY-1-VINYLBENZENE",
          "stdName": "3,4-DIMETHOXY-1-VINYLBENZENE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "59ce731c-89d0-4cd8-a09a-907f0f9f5e99",
            "2dd46962-692d-4b8c-a0bc-def8c5f66910",
            "fd089f4c-9f62-4579-9076-8f19f3364f51"
          ],
          "display_name": false
        },
        {
          "uuid": "241d9e19-6486-4bbb-a0fc-e74faf47a862",
          "name": "3,4-DIMETHOXY-1-VINYLBENZENE [FHFI]",
          "stdName": "3,4-DIMETHOXY-1-VINYLBENZENE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "59ce731c-89d0-4cd8-a09a-907f0f9f5e99"
          ],
          "display_name": false
        },
        {
          "uuid": "cd72b7af-3cf3-49c1-9a6c-6d45a1412231",
          "name": "3,4-DIMETHOXYSTYRENE",
          "stdName": "3,4-DIMETHOXYSTYRENE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e49ea030-dcd5-4ea1-b826-a84308055080"
          ],
          "display_name": true
        },
        {
          "uuid": "6cc564f3-d7f6-4a1f-91c1-b46f3b146e18",
          "name": "4-VINYLVERATROLE",
          "stdName": "4-VINYLVERATROLE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2dd46962-692d-4b8c-a0bc-def8c5f66910"
          ],
          "display_name": false
        },
        {
          "uuid": "3987e8da-404c-4d42-ad37-069f627149ac",
          "name": "BENZENE, 4-ETHENYL-1,2-DIMETHOXY",
          "stdName": "BENZENE, 4-ETHENYL-1,2-DIMETHOXY",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2dd46962-692d-4b8c-a0bc-def8c5f66910"
          ],
          "display_name": false
        },
        {
          "uuid": "2931b8c1-e942-48a6-aa1b-df5d1fdec9f2",
          "name": "FEMA NO. 3138",
          "stdName": "FEMA NO. 3138",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7da9dd2b-f1b7-4423-b22b-dff12a51524f",
            "293c03b9-463c-47cf-9e90-de9af916cdff"
          ],
          "display_name": false
        },
        {
          "uuid": "569fc02f-a781-4e11-92f4-2c3ed1b2e2b5",
          "name": "STYRENE, 3,4-DIMETHOXY-",
          "stdName": "STYRENE, 3,4-DIMETHOXY-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2dd46962-692d-4b8c-a0bc-def8c5f66910"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "7da9dd2b-f1b7-4423-b22b-dff12a51524f",
          "citation": "CHEMID FEMA BATCH 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "293c03b9-463c-47cf-9e90-de9af916cdff",
          "citation": "CHEMID BATCH 2010",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e49ea030-dcd5-4ea1-b826-a84308055080",
          "citation": "GRAS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2dd46962-692d-4b8c-a0bc-def8c5f66910",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "59ce731c-89d0-4cd8-a09a-907f0f9f5e99",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "23c5a68f-6a50-4e41-898a-951f62d8610b",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390975000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8a660c58-4afa-4469-aa68-419fac9a8448",
          "citation": "SRS import [50PLH4M73W]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=50PLH4M73W",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390975000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8f6f852d-adbc-4521-a803-8e7ec5fcf1f5",
          "citation": "CHEMID 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "fd089f4c-9f62-4579-9076-8f19f3364f51",
          "citation": "3,4-DIMETHOXY-1-VINYLBENZENE [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "1fec3d37-a9bc-b81a-fdf3-ad0e8e55a059",
          "citation": "WIKI",
          "url": "https://en.wikipedia.org/wiki/Amyrin",
          "doc_type": "WIKI",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "3dc59b4a-5cb5-f1e9-fd96-e84b81332ef3",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=6380-23-0",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "d2197f10-5049-49b3-b511-4475297506ba",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "ebab5162-f7f9-02e9-85f8-a643a7e4ed06",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "07437503-a1b5-4d32-abcb-d250602eb46c",
          "id": "07437503-a1b5-4d32-abcb-d250602eb46c",
          "molfile": "\n  Marvin  01132100392D          \n\n 12 12  0  0  0  0            999 V2000\n    4.8308   -5.1729    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5392   -5.5827    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2506   -5.1805    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9666   -5.5903    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6825   -5.1805    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6825   -4.3494    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.3939   -3.9357    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1062   -4.3418    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9666   -3.9394    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2506   -4.3531    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5392   -3.9394    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8232   -4.3531    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  3  4  1  0  0  0  0\n 10  3  2  0  0  0  0\n  4  5  2  0  0  0  0\n  6  5  1  0  0  0  0\n  6  7  1  0  0  0  0\n  9  6  2  0  0  0  0\n  7  8  2  0  0  0  0\n 10  9  1  0  0  0  0\n 10 11  1  0  0  0  0\n 11 12  1  0  0  0  0\nM  END",
          "smiles": "C=Cc1ccc(c(c1)OC)OC",
          "formula": "C10H12O2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "07ec3afc-e171-44a7-a4f4-fd58c0a6175e"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "164.2015",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "65434f15-54c3-40d8-b40a-ac2765e56a78",
      "version": "6",
      "structure": {
        "id": "f400c5a3-1f56-477e-957d-e70cc10cad29",
        "molfile": "\n  Marvin  01132112392D          \n\n 12 12  0  0  0  0            999 V2000\n    6.2506   -4.3531    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2506   -5.1805    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9666   -5.5903    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6825   -5.1805    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6825   -4.3494    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9666   -3.9394    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.3939   -3.9357    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1062   -4.3418    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5392   -5.5827    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8308   -5.1729    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5392   -3.9394    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8232   -4.3531    0.0000 C   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  5  4  1  0  0  0  0\n  6  5  2  0  0  0  0\n  1  6  1  0  0  0  0\n  5  7  1  0  0  0  0\n  7  8  2  0  0  0  0\n  2  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n  1 11  1  0  0  0  0\n 11 12  1  0  0  0  0\nM  END",
        "smiles": "C=Cc1ccc(c(c1)OC)OC",
        "formula": "C10H12O2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "164.2015",
        "optical_activity": "NONE",
        "references": [
          "8f6f852d-adbc-4521-a803-8e7ec5fcf1f5",
          "8a660c58-4afa-4469-aa68-419fac9a8448"
        ],
        "stereo_centers": 0
      },
      "unii": "50PLH4M73W"
    }
  ]
}