{
  "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": "c2d93bfe-bf9b-42fa-9e47-ecb99a55df33",
          "code": "2591-86-8",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=2591-86-8",
          "code_system": "CAS",
          "references": [
            "cf355073-aafa-44bf-84f5-1cd1f153c3fc",
            "db7fe4b4-c6f9-4b4f-ba35-9a37142766c4"
          ]
        },
        {
          "uuid": "6a2085f9-435a-45aa-abc2-3e7507255ddd",
          "code": "219-986-0",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.018.170",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "cf355073-aafa-44bf-84f5-1cd1f153c3fc"
          ]
        },
        {
          "uuid": "5d67f827-a870-4208-a993-71bca5987bad",
          "code": "17429",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/17429",
          "code_system": "PUBCHEM",
          "references": [
            "cf355073-aafa-44bf-84f5-1cd1f153c3fc"
          ]
        },
        {
          "uuid": "eab55edd-4dca-4a50-1662-6b673f2c8d0d",
          "code": "N-Formylpiperidine",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/N-Formylpiperidine",
          "code_system": "WIKIPEDIA",
          "references": [
            "13e76179-a1b9-6233-e280-36d0e5b850d7"
          ]
        },
        {
          "uuid": "61b27640-99d7-a626-d42a-2a6adef72fb3",
          "code": "DTXSID8043941",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID8043941",
          "code_system": "EPA CompTox",
          "references": [
            "380587ff-48ae-7782-134b-7848965147e0"
          ]
        },
        {
          "uuid": "d295da9f-567d-27c4-1fc3-53427c727756",
          "code": "DB04113",
          "type": "PRIMARY",
          "url": "https://go.drugbank.com/drugs/DB04113",
          "code_system": "DRUG BANK",
          "references": [
            "35d537b2-6cf0-12cc-6db2-5bbc556ef9c4"
          ]
        },
        {
          "uuid": "b9c12992-4339-45b0-8478-fb342db080e1",
          "code": "ZIQ29H6CZG",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "69c98caa-6211-9b26-1739-ac68252b0778",
          "code": "1066",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=1066",
          "code_system": "NSC",
          "references": [
            "c8085572-95c0-a29d-3bbd-3026c749ab99"
          ]
        },
        {
          "uuid": "6374224d-b12d-ae29-83af-d60e88b7f60c",
          "code": "404158",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=404158",
          "code_system": "NSC",
          "references": [
            "c8085572-95c0-a29d-3bbd-3026c749ab99"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "0370a4ae-09a4-42f0-ad0d-9fbed2147356",
          "name": "1-FORMYLPIPERIDINE",
          "stdName": "1-FORMYLPIPERIDINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1f23c9ea-4763-47ba-bdc8-c8cdc9563225"
          ],
          "display_name": false
        },
        {
          "uuid": "ae422638-5935-4f46-8585-8d18cb3597ad",
          "name": "1-PIPERIDINECARBOXALDEHYDE",
          "stdName": "1-PIPERIDINECARBOXALDEHYDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1f23c9ea-4763-47ba-bdc8-c8cdc9563225"
          ],
          "display_name": false
        },
        {
          "uuid": "14d82a9b-6edf-420e-b4b9-02301f13d2a6",
          "name": "FORMYLPIPERIDIDE",
          "stdName": "FORMYLPIPERIDIDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1f23c9ea-4763-47ba-bdc8-c8cdc9563225"
          ],
          "display_name": false
        },
        {
          "uuid": "58a117d5-5135-4d78-a1f2-2084e61387cf",
          "name": "FORMYLPIPERIDINE",
          "stdName": "FORMYLPIPERIDINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1f23c9ea-4763-47ba-bdc8-c8cdc9563225"
          ],
          "display_name": false
        },
        {
          "uuid": "224970de-eab8-4d81-90b7-4dba5d4fc8a7",
          "name": "N-CARBALDEHYDE PIPERIDINE",
          "stdName": "N-CARBALDEHYDE PIPERIDINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1f23c9ea-4763-47ba-bdc8-c8cdc9563225"
          ],
          "display_name": false
        },
        {
          "uuid": "d2798d72-12bb-4807-94b7-5a86f86ab256",
          "name": "N-FORMYLPIPERIDINE",
          "stdName": "N-FORMYLPIPERIDINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "f38b1c38-e0fc-4a4a-bb4a-32eee746e3d1"
          ],
          "display_name": true
        },
        {
          "uuid": "c5a5e99e-9f8e-4bf8-acb9-260e63b6250e",
          "name": "N-PIPERIDINECARBOXALDEHYDE",
          "stdName": "N-PIPERIDINECARBOXALDEHYDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1f23c9ea-4763-47ba-bdc8-c8cdc9563225"
          ],
          "display_name": false
        },
        {
          "uuid": "febc24cb-4338-4c01-967d-2d753e4465ae",
          "name": "NSC-1066",
          "stdName": "NSC-1066",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "a8d103bf-f1f1-4e9c-976f-c1d54c5c3870"
          ],
          "display_name": false
        },
        {
          "uuid": "dafefae1-7702-43f1-a154-20fe453d30a7",
          "name": "NSC-404158",
          "stdName": "NSC-404158",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "a8d103bf-f1f1-4e9c-976f-c1d54c5c3870"
          ],
          "display_name": false
        },
        {
          "uuid": "f8827536-7261-4139-be7c-4b8b8ce2c94d",
          "name": "PIPERIDINE, 1-FORMYL-",
          "stdName": "PIPERIDINE, 1-FORMYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1f23c9ea-4763-47ba-bdc8-c8cdc9563225"
          ],
          "display_name": false
        },
        {
          "uuid": "4030ba00-3b2c-41a3-98da-ce30bcbe36d1",
          "name": "PIPERIDINOFORMAMIDE",
          "stdName": "PIPERIDINOFORMAMIDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1f23c9ea-4763-47ba-bdc8-c8cdc9563225"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "f38b1c38-e0fc-4a4a-bb4a-32eee746e3d1",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "1f23c9ea-4763-47ba-bdc8-c8cdc9563225",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a8d103bf-f1f1-4e9c-976f-c1d54c5c3870",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "cf355073-aafa-44bf-84f5-1cd1f153c3fc",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391990000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a8aa818d-3254-424e-a4d9-6358565d999f",
          "citation": "SRS import [ZIQ29H6CZG]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=ZIQ29H6CZG",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391990000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "13e76179-a1b9-6233-e280-36d0e5b850d7",
          "citation": "WIKI",
          "url": "https://en.wikipedia.org/wiki/N-Formylpiperidine",
          "doc_type": "WIKI",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "380587ff-48ae-7782-134b-7848965147e0",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=2591-86-8",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "35d537b2-6cf0-12cc-6db2-5bbc556ef9c4",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "db7fe4b4-c6f9-4b4f-ba35-9a37142766c4",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "c8085572-95c0-a29d-3bbd-3026c749ab99",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "2cd9ac76-1955-4b79-951b-865e1e0ed2cd",
          "id": "2cd9ac76-1955-4b79-951b-865e1e0ed2cd",
          "molfile": "\n  Marvin  01132102252D          \n\n  8  8  0  0  0  0            999 V2000\n    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4125   -0.7154    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2375   -0.7154    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    1.6471   -1.4279    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4721   -1.4279    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8846   -0.7154    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4721    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.6471    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  2  0  0  0  0\n  3  2  1  0  0  0  0\n  3  4  1  0  0  0  0\n  3  8  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  8  7  1  0  0  0  0\nM  END",
          "smiles": "C1CCN(CC1)C=O",
          "formula": "C6H11NO",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "6393a730-7aaf-4071-bfe8-084d9d740fd7"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "113.1579",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "58066951-4a3e-4277-80f3-826159420110",
      "version": "8",
      "structure": {
        "id": "65e1b0de-c15a-4f38-af78-dbbd5eed1665",
        "molfile": "\n  Marvin  01132105182D          \n\n  8  8  0  0  0  0            999 V2000\n    1.2375   -0.7154    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    1.6471   -1.4279    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.6471    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4721   -1.4279    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4721    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8846   -0.7154    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4125   -0.7154    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  1  3  1  0  0  0  0\n  1  7  1  0  0  0  0\n  2  4  1  0  0  0  0\n  3  5  1  0  0  0  0\n  4  6  1  0  0  0  0\n  5  6  1  0  0  0  0\n  7  8  2  0  0  0  0\nM  END",
        "smiles": "C1CCN(CC1)C=O",
        "formula": "C6H11NO",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "113.1579",
        "optical_activity": "NONE",
        "references": [
          "f38b1c38-e0fc-4a4a-bb4a-32eee746e3d1",
          "a8aa818d-3254-424e-a4d9-6358565d999f"
        ],
        "stereo_centers": 0
      },
      "unii": "ZIQ29H6CZG"
    }
  ]
}