{
  "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": "7b310ece-c838-461d-a811-7bb8ef29d1a5",
          "code": "578-58-5",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=578-58-5",
          "code_system": "CAS",
          "references": [
            "804bb1ac-ee59-40d5-9633-5118af3612f3",
            "77061370-43ab-47ca-8278-0d98c02d9d65"
          ]
        },
        {
          "uuid": "620c912e-305c-4d2c-bc0a-b49b5ef035a2",
          "code": "C428434",
          "type": "PRIMARY",
          "url": "http://www.ncbi.nlm.nih.gov/mesh/67428434",
          "code_system": "MESH",
          "references": [
            "804bb1ac-ee59-40d5-9633-5118af3612f3"
          ]
        },
        {
          "uuid": "52463851-0c58-40c7-baa2-bc7d4622ba11",
          "code": "21 CFR 172.515",
          "comments": "PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION|Subpart F--Flavoring Agents and Related Substances|Sec. 172.515 Synthetic flavoring substances and adjuvants.",
          "type": "PRIMARY",
          "url": "http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRSearch.cfm?fr=172.515",
          "code_system": "CFR",
          "references": [
            "804bb1ac-ee59-40d5-9633-5118af3612f3"
          ]
        },
        {
          "uuid": "fc547f46-8169-44de-94c1-7a5ed265ff10",
          "code": "O-METHYLANISOLE",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=5146",
          "code_system": "JECFA EVALUATION",
          "references": [
            "804bb1ac-ee59-40d5-9633-5118af3612f3"
          ]
        },
        {
          "uuid": "ced58c42-6d23-4817-953d-4e8167559862",
          "code": "209-426-3",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.008.571",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "804bb1ac-ee59-40d5-9633-5118af3612f3"
          ]
        },
        {
          "uuid": "f2400359-6b88-419c-8749-bc7161d352fc",
          "code": "33637",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/33637",
          "code_system": "PUBCHEM",
          "references": [
            "804bb1ac-ee59-40d5-9633-5118af3612f3"
          ]
        },
        {
          "uuid": "90d78812-3cac-64b8-2d1d-039ba4a35fd2",
          "code": "DTXSID9060368",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID9060368",
          "code_system": "EPA CompTox",
          "references": [
            "06e0846f-7f73-4f95-74c0-0e05f7708d68"
          ]
        },
        {
          "uuid": "f82f6af5-8f87-4c6d-870c-ad22f7f6016c",
          "code": "09G73SL17K",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "722b6348-82d0-c7f0-7aae-7d371b0100d8",
          "code": "141702",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:141702",
          "code_system": "CHEBI",
          "references": [
            "253550f6-d421-4569-1130-bcc0878abb8a"
          ]
        },
        {
          "uuid": "5a91856b-b33b-c195-b878-298ff367e2fb",
          "code": "6253",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=6253",
          "code_system": "NSC",
          "references": [
            "570dbacb-19dc-fff9-fefe-bde4429bf354"
          ]
        },
        {
          "uuid": "3e0eb1d6-68fd-3d7f-3e86-a06d73a85490",
          "code": "1251",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/1251/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "907e59f7-78d2-d3d8-b907-01fe1f302c19"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "5b43c644-ad44-fbba-6b69-1164aa080bcf",
          "type": "PARENT->IMPURITY",
          "related_substance": {
            "uuid": "b0e0aef3-1cca-4a93-8f32-fd3f79244237",
            "refuuid": "044df8d5-cb62-4fd8-ac91-9153c7403284",
            "name": "ELAGOLIX SODIUM",
            "unii": "5948VUI423",
            "linking_id": "5948VUI423",
            "ref_pname": "ELAGOLIX SODIUM"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "74d1d30a-ffb3-4aa0-a803-4098c65d5375",
          "name": "2-METHYLANISOLE",
          "stdName": "2-METHYLANISOLE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "530a7667-76b8-45f0-8cc9-75c8b1f79e0f"
          ],
          "display_name": true
        },
        {
          "uuid": "5155a3f5-9668-407f-b4e3-b5aea2bbb193",
          "name": "ANISOLE, O-METHYL-",
          "stdName": "ANISOLE, O-METHYL-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "530a7667-76b8-45f0-8cc9-75c8b1f79e0f"
          ],
          "display_name": false
        },
        {
          "uuid": "e5337df8-6658-4c74-9912-4413f8a15a50",
          "name": "BENZENE, 1-METHOXY-2-METHYL-",
          "stdName": "BENZENE, 1-METHOXY-2-METHYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "530a7667-76b8-45f0-8cc9-75c8b1f79e0f"
          ],
          "display_name": false
        },
        {
          "uuid": "677327f9-6ca7-427f-878c-1bd0120ddc97",
          "name": "FEMA NO. 2680",
          "stdName": "FEMA NO. 2680",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0f3f3a54-bd13-4cae-9a91-90fe1e5ce97c",
            "2dd220a9-57dd-4f6b-bbad-f2eee06156b3"
          ],
          "display_name": false
        },
        {
          "uuid": "0b4e5a11-592f-47e8-89c7-6c0a551b9e7b",
          "name": "NSC-6253",
          "stdName": "NSC-6253",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "530a7667-76b8-45f0-8cc9-75c8b1f79e0f"
          ],
          "display_name": false
        },
        {
          "uuid": "7ef0eb46-d129-410d-a546-b33dfc91069a",
          "name": "O-CRESYL METHYL ETHER",
          "stdName": "O-CRESYL METHYL ETHER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "530a7667-76b8-45f0-8cc9-75c8b1f79e0f"
          ],
          "display_name": false
        },
        {
          "uuid": "042c8d37-6e61-4ae6-85e8-1679c889ca33",
          "name": "O-METHOXYTOLUENE",
          "stdName": "O-METHOXYTOLUENE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "530a7667-76b8-45f0-8cc9-75c8b1f79e0f"
          ],
          "display_name": false
        },
        {
          "uuid": "7610d618-86ef-4de4-9556-2bc1a3197e8c",
          "name": "O-METHYL ANISOLE",
          "stdName": "O-METHYL ANISOLE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ef683fe6-5923-4bb9-80c1-a8b03501bb0f"
          ],
          "display_name": false
        },
        {
          "uuid": "f8b6f20e-7292-4a1d-871c-dfe4eec79d80",
          "name": "O-METHYLANISOLE [FHFI]",
          "stdName": "O-METHYLANISOLE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c1069f4b-128b-40aa-8d0a-2f0a0b893c18"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "ef683fe6-5923-4bb9-80c1-a8b03501bb0f",
          "citation": "GRAS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "2dd220a9-57dd-4f6b-bbad-f2eee06156b3",
          "citation": "CHEMID FEMA BATCH 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "0f3f3a54-bd13-4cae-9a91-90fe1e5ce97c",
          "citation": "CHEMID BATCH 2010",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "530a7667-76b8-45f0-8cc9-75c8b1f79e0f",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c1069f4b-128b-40aa-8d0a-2f0a0b893c18",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "804bb1ac-ee59-40d5-9633-5118af3612f3",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390987000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e5d44fc2-c9cf-47bd-9835-f5b2c4166af8",
          "citation": "SRS import [09G73SL17K]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=09G73SL17K",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390987000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b23a7a5b-3148-41a6-b4ad-3d6bf581323e",
          "citation": "CHEMID 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "06e0846f-7f73-4f95-74c0-0e05f7708d68",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=578-58-5",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "77061370-43ab-47ca-8278-0d98c02d9d65",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "253550f6-d421-4569-1130-bcc0878abb8a",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "570dbacb-19dc-fff9-fefe-bde4429bf354",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "907e59f7-78d2-d3d8-b907-01fe1f302c19",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "6535e10e-3b46-45ad-b80f-56179116d7d4",
          "id": "6535e10e-3b46-45ad-b80f-56179116d7d4",
          "molfile": "\n  Marvin  01132105162D          \n\n  9  9  0  0  0  0            999 V2000\n    5.7727   -3.5832    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7727   -4.4042    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.4858   -4.8171    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.4858   -5.6428    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2027   -6.0510    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9158   -5.6428    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9158   -4.8171    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2027   -4.4042    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2027   -3.5832    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  3  8  2  0  0  0  0\n  4  5  2  0  0  0  0\n  5  6  1  0  0  0  0\n  7  6  2  0  0  0  0\n  8  7  1  0  0  0  0\n  8  9  1  0  0  0  0\nM  END",
          "smiles": "Cc1ccccc1OC",
          "formula": "C8H10O",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "a9e53fae-14ab-4e20-887b-1dc213b82ed7"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "122.1647",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "9b6c9dcc-1c6b-43b0-98f8-1ff76011314a",
      "version": "9",
      "structure": {
        "id": "6c122e34-ac1e-4d4e-84b6-768cae05cf20",
        "molfile": "\n  Marvin  01132105372D          \n\n  9  9  0  0  0  0            999 V2000\n    6.4858   -4.8171    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2027   -4.4042    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9158   -4.8171    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9158   -5.6428    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2027   -6.0510    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.4858   -5.6428    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2027   -3.5832    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7727   -4.4042    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7727   -3.5832    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  2  7  1  0  0  0  0\n  1  8  1  0  0  0  0\n  8  9  1  0  0  0  0\nM  END",
        "smiles": "Cc1ccccc1OC",
        "formula": "C8H10O",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "122.1647",
        "optical_activity": "NONE",
        "references": [
          "e5d44fc2-c9cf-47bd-9835-f5b2c4166af8",
          "b23a7a5b-3148-41a6-b4ad-3d6bf581323e"
        ],
        "stereo_centers": 0
      },
      "unii": "09G73SL17K"
    }
  ]
}