{
  "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": "24f28918-ccb1-49cb-9610-cb668360f99c",
          "code": "6837-24-7",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=6837-24-7",
          "code_system": "CAS",
          "references": [
            "8a215316-00d1-4acf-bf46-11f0e3ec807e",
            "9bbc1af7-60c9-43fd-8819-ddbf56d2d8cc"
          ]
        },
        {
          "uuid": "f9c1a581-3ac1-4001-abe5-8b1b2bad8076",
          "code": "C040765",
          "type": "PRIMARY",
          "url": "http://www.ncbi.nlm.nih.gov/mesh/67040765",
          "code_system": "MESH",
          "references": [
            "8a215316-00d1-4acf-bf46-11f0e3ec807e"
          ]
        },
        {
          "uuid": "3e871aa8-b8e0-4212-b6b2-7d406dd3d546",
          "code": "N-CYCLOHEXYL-2-PYRROLIDONE",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/N-Cyclohexyl-2-pyrrolidone",
          "code_system": "WIKIPEDIA",
          "references": [
            "8a215316-00d1-4acf-bf46-11f0e3ec807e"
          ]
        },
        {
          "uuid": "93a07386-8da8-4615-bf2b-bdcae77a9ef5",
          "code": "229-919-7",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.027.199",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "8a215316-00d1-4acf-bf46-11f0e3ec807e"
          ]
        },
        {
          "uuid": "58b02d55-f71e-456b-ba4f-00a8d9998182",
          "code": "81278",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/81278",
          "code_system": "PUBCHEM",
          "references": [
            "8a215316-00d1-4acf-bf46-11f0e3ec807e"
          ]
        },
        {
          "uuid": "2e04ed4c-df04-5135-057e-26ae2336f925",
          "code": "DTXSID7044716",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID7044716",
          "code_system": "EPA CompTox",
          "references": [
            "2ec1b0d2-936a-eb12-580e-af6972ea1b7b"
          ]
        },
        {
          "uuid": "d80cba17-44c4-49a4-9bc5-2f2a49b7af07",
          "code": "7IM8P1VVNM",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "3bf5749b-9c3c-47a1-8f2f-5f21543ca527",
          "name": "1-CYCLOHEXYLPYRROLIDIN-2-ONE",
          "stdName": "1-CYCLOHEXYLPYRROLIDIN-2-ONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "558bbe96-513a-4d38-bb2d-859025a6589c",
            "961be8d4-bf8c-4618-a510-0da7417a8c78"
          ],
          "display_name": false
        },
        {
          "uuid": "215baf97-2322-450e-962c-c79516ce3f31",
          "name": "CYCLOHEXYL-2-PYRROLIDONE, N-",
          "stdName": "CYCLOHEXYL-2-PYRROLIDONE, N-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b534f91c-7487-4748-b5db-5b9f1aa75e3e"
          ],
          "display_name": false
        },
        {
          "uuid": "16ba57d4-410a-4893-aeef-67d0ababf319",
          "name": "N-CYCLOHEXYL-2-PYRROLIDONE",
          "stdName": "N-CYCLOHEXYL-2-PYRROLIDONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7b4df7a3-3f09-4b95-a76c-582c95ffa299",
            "961be8d4-bf8c-4618-a510-0da7417a8c78"
          ],
          "display_name": true
        },
        {
          "uuid": "3548f953-7221-472f-a6eb-53431aab9882",
          "name": "N-CYCLOHEXYLPYRROLIDONE",
          "stdName": "N-CYCLOHEXYLPYRROLIDONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7b4df7a3-3f09-4b95-a76c-582c95ffa299",
            "961be8d4-bf8c-4618-a510-0da7417a8c78"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "b534f91c-7487-4748-b5db-5b9f1aa75e3e",
          "citation": "ICSAS BATCH 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "7b4df7a3-3f09-4b95-a76c-582c95ffa299",
          "citation": "http://www.chemblink.com/products/6837-24-7.htm",
          "url": "http://www.chemblink.com/products/6837-24-7.htm",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "961be8d4-bf8c-4618-a510-0da7417a8c78",
          "citation": "WEB PAGE",
          "doc_type": "WEB PAGE",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "558bbe96-513a-4d38-bb2d-859025a6589c",
          "citation": "TOX 21",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8a215316-00d1-4acf-bf46-11f0e3ec807e",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390889000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "84d0c928-0311-4a7c-8de4-7dfb2c77ef64",
          "citation": "SRS import [7IM8P1VVNM]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=7IM8P1VVNM",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390889000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8b9a6f47-5d55-41f5-9abc-a21a447e905b",
          "citation": "CHEMID 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2ec1b0d2-936a-eb12-580e-af6972ea1b7b",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=6837-24-7",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "9bbc1af7-60c9-43fd-8819-ddbf56d2d8cc",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "7ad9b3aa-f263-4c7e-9ee6-2e32c90024f9",
          "id": "7ad9b3aa-f263-4c7e-9ee6-2e32c90024f9",
          "molfile": "\n  Marvin  01132106232D          \n\n 12 13  0  0  0  0            999 V2000\n    7.4013   -3.6530    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6563   -4.4376    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4409   -4.6925    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4409   -5.5175    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6563   -5.7724    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1714   -5.1050    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3464   -5.1050    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9339   -5.8195    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1088   -5.8195    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.6964   -5.1050    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1088   -4.3906    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9339   -4.3906    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  2  0  0  0  0\n  2  3  1  0  0  0  0\n  6  2  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  7  6  1  0  0  0  0\n  7  8  1  0  0  0  0\n 12  7  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n 10 11  1  0  0  0  0\n 11 12  1  0  0  0  0\nM  END",
          "smiles": "C1CCC(CC1)N2CCCC2=O",
          "formula": "C10H17NO",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "1a76cfa3-39ca-41df-8d9f-687c10dbad83"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "167.2485",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "88ba2663-cdbd-4f15-98d0-fdb85ee7368c",
      "version": "3",
      "structure": {
        "id": "3380f690-0d0c-402b-abaf-c3398a56cd5c",
        "molfile": "\n  Marvin  01132102452D          \n\n 12 13  0  0  0  0            999 V2000\n    5.1088   -5.8195    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.6964   -5.1050    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1088   -4.3906    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9339   -4.3906    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3464   -5.1050    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9339   -5.8195    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1714   -5.1050    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6563   -4.4376    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4409   -4.6925    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4409   -5.5175    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6563   -5.7724    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4013   -3.6530    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  1  1  0  0  0  0\n  5  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n 10 11  1  0  0  0  0\n 11  7  1  0  0  0  0\n  8 12  2  0  0  0  0\nM  END",
        "smiles": "C1CCC(CC1)N2CCCC2=O",
        "formula": "C10H17NO",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "167.2485",
        "optical_activity": "NONE",
        "references": [
          "84d0c928-0311-4a7c-8de4-7dfb2c77ef64",
          "8b9a6f47-5d55-41f5-9abc-a21a447e905b"
        ],
        "stereo_centers": 0
      },
      "unii": "7IM8P1VVNM"
    }
  ]
}