{
  "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": "566229c4-f066-4ace-a1b5-a29525325185",
          "code": "1227-51-6",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=1227-51-6",
          "code_system": "CAS",
          "references": [
            "3c720737-71c9-4941-a0d7-5a6823595b08",
            "f37b99e9-ef3f-4e17-ae9f-e5fc7916bb5b"
          ]
        },
        {
          "uuid": "ccd9ae46-5389-4664-b6a0-5cda44b0dfa1",
          "code": "518573",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/518573",
          "code_system": "PUBCHEM",
          "references": [
            "3c720737-71c9-4941-a0d7-5a6823595b08"
          ]
        },
        {
          "uuid": "8259e480-3c45-c901-69b5-8b639f877df2",
          "code": "DTXSID40924236",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID40924236",
          "code_system": "EPA CompTox",
          "references": [
            "935ecdea-cbd5-2bec-7152-dd76410cece9"
          ]
        },
        {
          "uuid": "5b8c80ce-adfe-44a6-9eb0-cda5fae6cfee",
          "code": "ILR1UO4M14",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "418784ea-0be7-6119-767d-f3b4643dd582",
          "code": "1977",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/1977/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "647f780e-bedf-6d92-bbf2-bfcca69a370d"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "b971ec15-cc27-4d57-8a71-597ebf9f385a",
          "name": "(±)-.DELTA.-OCTADECALACTONE",
          "stdName": "(+/-)-.DELTA.-OCTADECALACTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cc8660c-eac2-4065-9121-4218ef48c0c7",
            "ff8ecf51-9f60-4db1-b703-ab7e928fe873"
          ],
          "display_name": false
        },
        {
          "uuid": "201c9263-2521-40d4-bbd2-7e1d0c0180ae",
          "name": ".DELTA.-OCTADECALACTONE",
          "stdName": ".DELTA.-OCTADECALACTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cc8660c-eac2-4065-9121-4218ef48c0c7",
            "37028fed-e6a9-4010-b7cf-a1c27cd1fa34"
          ],
          "display_name": true
        },
        {
          "uuid": "45f8c894-0477-4dec-ac98-222f1376c6e5",
          "name": ".DELTA.-OCTADECALACTONE, (±)-",
          "stdName": ".DELTA.-OCTADECALACTONE, (+/-)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cc8660c-eac2-4065-9121-4218ef48c0c7",
            "ff8ecf51-9f60-4db1-b703-ab7e928fe873"
          ],
          "display_name": false
        },
        {
          "uuid": "bdff8172-4fe5-4db3-b642-f913efb3bf7b",
          "name": ".DELTA.-STEAROLACTONE",
          "stdName": ".DELTA.-STEAROLACTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cc8660c-eac2-4065-9121-4218ef48c0c7",
            "37028fed-e6a9-4010-b7cf-a1c27cd1fa34"
          ],
          "display_name": false
        },
        {
          "uuid": "0b5b9dbc-e35d-4a8a-8c6a-549802244879",
          "name": "2H-PYRAN-2-ONE, TETRAHYDRO-6-TRIDECYL-",
          "stdName": "2H-PYRAN-2-ONE, TETRAHYDRO-6-TRIDECYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cc8660c-eac2-4065-9121-4218ef48c0c7",
            "75d35ea6-c6be-4790-b3d4-10cb0a0d0c39"
          ],
          "display_name": false
        },
        {
          "uuid": "6847fb8a-1e82-400a-9313-4566a3f09dce",
          "name": "5-OCTADECANOLIDE",
          "stdName": "5-OCTADECANOLIDE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cc8660c-eac2-4065-9121-4218ef48c0c7",
            "37028fed-e6a9-4010-b7cf-a1c27cd1fa34"
          ],
          "display_name": false
        },
        {
          "uuid": "1dfeb2b2-7041-4af2-898c-98f4dea0c380",
          "name": "FEMA NO. 4447",
          "stdName": "FEMA NO. 4447",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cc8660c-eac2-4065-9121-4218ef48c0c7",
            "37028fed-e6a9-4010-b7cf-a1c27cd1fa34"
          ],
          "display_name": false
        },
        {
          "uuid": "067ad456-6b7a-4eec-a3ca-6099281a7851",
          "name": "OCTADECANOIC ACID, 5-HYDROXY-, .DELTA.-LACTONE",
          "stdName": "OCTADECANOIC ACID, 5-HYDROXY-, .DELTA.-LACTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cc8660c-eac2-4065-9121-4218ef48c0c7",
            "37028fed-e6a9-4010-b7cf-a1c27cd1fa34"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "37028fed-e6a9-4010-b7cf-a1c27cd1fa34",
          "citation": "JECFA",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "6cc8660c-eac2-4065-9121-4218ef48c0c7",
          "citation": "JECFA: JOINT FAO/WHO COMMITTEE FOOD ADD",
          "doc_type": "JECFA: JOINT FAO/WHO COMMITTEE FOOD ADD",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "75d35ea6-c6be-4790-b3d4-10cb0a0d0c39",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ff8ecf51-9f60-4db1-b703-ab7e928fe873",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "3c720737-71c9-4941-a0d7-5a6823595b08",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391403000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "bbdf7c7d-e0fc-4daa-a65d-5e054f95b75a",
          "citation": "SRS import [ILR1UO4M14]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=ILR1UO4M14",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391403000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "f37b99e9-ef3f-4e17-ae9f-e5fc7916bb5b",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "647f780e-bedf-6d92-bbf2-bfcca69a370d",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        },
        {
          "uuid": "935ecdea-cbd5-2bec-7152-dd76410cece9",
          "citation": "EPA CompTox",
          "doc_type": "EPA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "9af6a0d2-d6b3-492b-8923-d3a08bddea34",
          "id": "9af6a0d2-d6b3-492b-8923-d3a08bddea34",
          "molfile": "\n  Marvin  01132108032D          \n\n 20 20  0  0  0  0            999 V2000\n   17.2736   -4.5792    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   16.5580   -4.9896    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.8448   -4.5751    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.1291   -4.9854    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.4159   -4.5709    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.7003   -4.9812    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.9870   -4.5667    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.2713   -4.9770    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.5581   -4.5624    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.8424   -4.9728    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.1292   -4.5581    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.4135   -4.9686    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7003   -4.5540    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9847   -4.9644    0.0000 C   0  0  0  0  0  0  0  0  0  3  0  0\n    7.9847   -5.7936    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2690   -6.2040    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5533   -5.7936    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5533   -4.9644    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.8376   -4.5540    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2690   -4.5455    0.0000 O   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  4  3  1  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  1  0  0  0  0\n  7  6  1  0  0  0  0\n  8  7  1  0  0  0  0\n  9  8  1  0  0  0  0\n 10  9  1  0  0  0  0\n 11 10  1  0  0  0  0\n 12 11  1  0  0  0  0\n 13 12  1  0  0  0  0\n 13 14  1  0  0  0  0\n 15 14  1  0  0  0  0\n 20 14  1  0  0  0  0\n 16 15  1  0  0  0  0\n 17 16  1  0  0  0  0\n 18 17  1  0  0  0  0\n 18 19  2  0  0  0  0\n 20 18  1  0  0  0  0\nM  END",
          "smiles": "CCCCCCCCCCCCCC1CCCC(=O)O1",
          "formula": "C18H34O2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "RACEMIC",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "71350e00-b5f8-411e-add1-a296f472a09f"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "282.462",
          "optical_activity": "( + / - )",
          "stereo_centers": 1
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "53687220-c96d-4f9a-9bee-e93fb3008287",
      "version": "6",
      "structure": {
        "id": "d5319533-b8d1-41a3-b19e-44290bddbf90",
        "molfile": "\n  Marvin  01132111032D          \n\n 20 20  0  0  0  0            999 V2000\n    5.8376   -4.5540    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9847   -4.9644    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9847   -5.7936    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2690   -6.2040    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5533   -5.7936    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5533   -4.9644    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2690   -4.5455    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   17.2736   -4.5792    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   16.5580   -4.9896    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.8448   -4.5751    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.1291   -4.9854    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.4159   -4.5709    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.7003   -4.9812    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.9870   -4.5667    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.2713   -4.9770    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.5581   -4.5624    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.8424   -4.9728    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.1292   -4.5581    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.4135   -4.9686    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7003   -4.5540    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n 20  2  1  0  0  0  0\n  6  1  2  0  0  0  0\n  7  2  1  0  0  0  0\n  3  2  1  0  0  0  0\n  4  3  1  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  1  0  0  0  0\n  7  6  1  0  0  0  0\n  9  8  1  0  0  0  0\n 10  9  1  0  0  0  0\n 11 10  1  0  0  0  0\n 12 11  1  0  0  0  0\n 13 12  1  0  0  0  0\n 14 13  1  0  0  0  0\n 15 14  1  0  0  0  0\n 16 15  1  0  0  0  0\n 17 16  1  0  0  0  0\n 18 17  1  0  0  0  0\n 19 18  1  0  0  0  0\n 20 19  1  0  0  0  0\nM  END",
        "smiles": "CCCCCCCCCCCCCC1CCCC(=O)O1",
        "formula": "C18H34O2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "RACEMIC",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "282.462",
        "optical_activity": "( + / - )",
        "references": [
          "bbdf7c7d-e0fc-4daa-a65d-5e054f95b75a",
          "75d35ea6-c6be-4790-b3d4-10cb0a0d0c39"
        ],
        "stereo_centers": 1
      },
      "unii": "ILR1UO4M14"
    }
  ]
}