{
  "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": "20124d83-b773-41c8-8ded-8a00f79f59d4",
          "code": "16021-08-2",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=16021-08-2",
          "code_system": "CAS",
          "references": [
            "9f1ff84c-9f13-43f3-9e2c-4f10acb8b216",
            "bdb30d11-01d0-459a-85e5-76dd82897dbb"
          ]
        },
        {
          "uuid": "e2218977-b36f-4399-aba9-e88003da5325",
          "code": "240-156-9",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.036.490",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "9f1ff84c-9f13-43f3-9e2c-4f10acb8b216"
          ]
        },
        {
          "uuid": "a4672c0d-4562-4b86-84fd-64f26935f576",
          "code": "85944",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/85944",
          "code_system": "PUBCHEM",
          "references": [
            "9f1ff84c-9f13-43f3-9e2c-4f10acb8b216"
          ]
        },
        {
          "uuid": "48dde5f3-22f8-38fa-085a-6ffa8fde11f5",
          "code": "DTXSID20884864",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID20884864",
          "code_system": "EPA CompTox",
          "references": [
            "2c2db941-c8a5-6970-5192-f44ddcf9ccaf"
          ]
        },
        {
          "uuid": "26836417-1418-4a50-a3f4-926880da8be1",
          "code": "U64US27J7P",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "c8a16752-9b3c-c563-82c7-f4ef202c20b7",
          "code": "68515",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=68515",
          "code_system": "NSC",
          "references": [
            "de2d4d32-fd96-6ae6-85d5-efd2634e3586"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "36bc3003-48ee-48df-8042-5775e6b94276",
          "name": "(4A.ALPHA.,8A.BETA.)-2-DECALONE",
          "stdName": "(4A.ALPHA.,8A.BETA.)-2-DECALONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e74a414f-8a55-4dd4-88e1-0d24c67ab464"
          ],
          "display_name": false
        },
        {
          "uuid": "320a0bbf-685d-42ea-af17-51df35c49223",
          "name": "(±)-TRANS-2-DECALONE",
          "stdName": "(+/-)-TRANS-2-DECALONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e74a414f-8a55-4dd4-88e1-0d24c67ab464"
          ],
          "display_name": false
        },
        {
          "uuid": "e137533b-df31-4c25-919d-39ad617e9883",
          "name": "2(1H)-NAPHTHALENONE, OCTAHYDRO-, (4AR,8AR)-REL-",
          "stdName": "2(1H)-NAPHTHALENONE, OCTAHYDRO-, (4AR,8AR)-REL-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "959a67a5-3372-4057-a4df-aaed0b80d1a2"
          ],
          "display_name": false
        },
        {
          "uuid": "332cec6f-6f7a-424d-9747-2ce19a9ad877",
          "name": "2-DECALONE, TRANS-",
          "stdName": "2-DECALONE, TRANS-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "365d4b81-7c21-416f-a6ca-d9bb884185e6"
          ],
          "display_name": true
        },
        {
          "uuid": "fb926fec-e0d3-4351-b60f-a3ff6ab46dfa",
          "name": "DL-TRANS-2-DECALONE",
          "stdName": "DL-TRANS-2-DECALONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e74a414f-8a55-4dd4-88e1-0d24c67ab464"
          ],
          "display_name": false
        },
        {
          "uuid": "adfd7d71-4bac-42de-b1ce-2e3d0c5f7153",
          "name": "NSC-68515",
          "stdName": "NSC-68515",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e74a414f-8a55-4dd4-88e1-0d24c67ab464"
          ],
          "display_name": false
        },
        {
          "uuid": "b239f674-f400-451d-98a6-f193eb23a31f",
          "name": "TRANS-OCTAHYDRO-2(1H)-NAPHTHALENONE",
          "stdName": "TRANS-OCTAHYDRO-2(1H)-NAPHTHALENONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e74a414f-8a55-4dd4-88e1-0d24c67ab464"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "959a67a5-3372-4057-a4df-aaed0b80d1a2",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "365d4b81-7c21-416f-a6ca-d9bb884185e6",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e74a414f-8a55-4dd4-88e1-0d24c67ab464",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "9f1ff84c-9f13-43f3-9e2c-4f10acb8b216",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493393388000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "35d58525-1d8e-4afb-86d9-0d0acf769967",
          "citation": "SRS import [U64US27J7P]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=U64US27J7P",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493393388000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "bdb30d11-01d0-459a-85e5-76dd82897dbb",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "de2d4d32-fd96-6ae6-85d5-efd2634e3586",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "2c2db941-c8a5-6970-5192-f44ddcf9ccaf",
          "citation": "EPA CompTox",
          "doc_type": "EPA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "2c243e04-5df1-453e-ba92-3707ffc65e6f",
          "id": "2c243e04-5df1-453e-ba92-3707ffc65e6f",
          "molfile": "\n  Marvin  01132102232D          \n\n 11 12  0  0  0  0            999 V2000\n    7.0463   -4.5476    0.0000 C   0  0  1  0  0  0  0  0  0  1  0  0\n    6.3321   -4.9583    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6178   -4.5476    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6178   -3.7226    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3321   -3.3084    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0463   -3.7226    0.0000 C   0  0  2  0  0  0  0  0  0  1  0  0\n    7.7606   -3.3084    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4748   -3.7226    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1093   -3.3563    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4748   -4.5476    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7606   -4.9583    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  6  1  1  0  0  0  0\n  1 11  1  1  0  0  0\n  2  3  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  6  7  1  6  0  0  0\n  8  7  1  0  0  0  0\n  8  9  2  0  0  0  0\n 10  8  1  0  0  0  0\n 11 10  1  0  0  0  0\nM  END",
          "smiles": "C1CC[C@@H]2CC(=O)CC[C@H]2C1",
          "formula": "C10H16O",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ABSOLUTE",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "63bc8869-91e7-48f1-bcaf-3b8f31fd11c7"
          },
          "defined_stereo": 2,
          "ez_centers": 0,
          "molecular_weight": "152.2338",
          "optical_activity": "UNSPECIFIED",
          "stereo_centers": 2
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "0047f79e-8677-4059-9c54-ab6ad0cf884e",
      "version": "7",
      "structure": {
        "id": "7cc6036a-dd9c-4e3a-aaa0-a6e9b26572b5",
        "molfile": "\n  Marvin  01132106292D          \n\n 13 14  0  0  0  0            999 V2000\n    5.6178   -3.7226    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3321   -3.3084    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0463   -3.7226    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n    7.0463   -4.5476    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n    7.7606   -4.9583    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4748   -4.5476    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4748   -3.7226    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7606   -3.3084    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3321   -4.9583    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6178   -4.5476    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0427   -5.3690    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0427   -2.8941    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1093   -3.3563    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  2  3  1  0  0  0  0\n  3  4  1  0  0  0  0\n  4  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  3  8  1  0  0  0  0\n  7  8  1  0  0  0  0\n  4  9  1  0  0  0  0\n  1 10  1  0  0  0  0\n  9 10  1  0  0  0  0\n  4 11  1  6  0  0  0\n  3 12  1  1  0  0  0\n  7 13  2  0  0  0  0\nM  END",
        "smiles": "C1CC[C@]2([H])CC(=O)CC[C@@]2([H])C1",
        "formula": "C10H16O",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "RACEMIC",
        "defined_stereo": 2,
        "ez_centers": 0,
        "molecular_weight": "152.2338",
        "optical_activity": "( + / - )",
        "references": [
          "959a67a5-3372-4057-a4df-aaed0b80d1a2",
          "35d58525-1d8e-4afb-86d9-0d0acf769967"
        ],
        "stereo_centers": 2
      },
      "unii": "U64US27J7P"
    }
  ]
}