{
  "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": "9f214d37-2363-4fca-ada2-486641fcf035",
          "code": "3264-82-2",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=3264-82-2",
          "code_system": "CAS",
          "references": [
            "a70ed880-0ef8-44de-9d59-e4efd0c319a2",
            "a6b9808d-fbbc-4660-9a43-1f61e1466c03"
          ]
        },
        {
          "uuid": "bfa6ae11-72b8-4d77-af70-ee5e60310537",
          "code": "NICKEL(II) ACETYLACETONATE",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/Nickel(II)_acetylacetonate",
          "code_system": "WIKIPEDIA",
          "references": [
            "a70ed880-0ef8-44de-9d59-e4efd0c319a2"
          ]
        },
        {
          "uuid": "49b0aacc-24dc-46eb-b315-8bdee1fad9b0",
          "code": "m7855",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m7855?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "a70ed880-0ef8-44de-9d59-e4efd0c319a2"
          ]
        },
        {
          "uuid": "b8526510-1a45-4e99-ab87-8beff989395f",
          "code": "221-875-7",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.019.887",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "a70ed880-0ef8-44de-9d59-e4efd0c319a2"
          ]
        },
        {
          "uuid": "bd6b2ef8-9f5e-4821-98bd-ba359113cee5",
          "code": "2723707",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/2723707",
          "code_system": "PUBCHEM",
          "references": [
            "a70ed880-0ef8-44de-9d59-e4efd0c319a2"
          ]
        },
        {
          "uuid": "08624413-2d3b-437e-a3fa-67d3c6a5e109",
          "code": "5I48R807JO",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "7d8a62fe-18dd-164c-2c9f-fc9e3d75522c",
          "code": "DTXSID80904370",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID80904370",
          "code_system": "EPA CompTox"
        },
        {
          "uuid": "a8e0b4fd-43a0-51d0-cc82-cc0a7ea58c9a",
          "code": "4657",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=4657",
          "code_system": "NSC",
          "references": [
            "02e2d4ff-6949-eeb0-1c39-0512aef95dd7"
          ]
        },
        {
          "uuid": "8090850e-0343-47f4-af54-7c217e7d667f",
          "code": "300000053513",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "a6925f84-519a-727d-f7cf-9eed10569742"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "445777b1-3e27-482e-b6a4-526db0b372d0",
          "name": "(SP-4-1)-BIS(2,4-PENTANEDIONATO-.KAPPA.O2,.KAPPA.O4)NICKEL",
          "stdName": "(SP-4-1)-BIS(2,4-PENTANEDIONATO-.KAPPA.O2,.KAPPA.O4)NICKEL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
            "87460e59-b547-4896-958d-cdd68a648bf9"
          ],
          "display_name": false
        },
        {
          "uuid": "777b568b-b4fc-4574-a6d4-66aa10b103cc",
          "name": "2,4-PENTANEDIONE NICKEL COMPLEX",
          "stdName": "2,4-PENTANEDIONE NICKEL COMPLEX",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
            "87460e59-b547-4896-958d-cdd68a648bf9"
          ],
          "display_name": false
        },
        {
          "uuid": "888255ff-2b9e-4864-b2bd-cffda68ba804",
          "name": "ACETYLACETONATONICKEL(II)",
          "stdName": "ACETYLACETONATONICKEL(II)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
            "5239c8b3-f5d8-4771-b0d5-c4ca7740fc74"
          ],
          "display_name": false
        },
        {
          "uuid": "f3148907-12d4-4cad-83ba-d813f570111c",
          "name": "BIS(2,4-PENTANEDIONATO)NICKEL",
          "stdName": "BIS(2,4-PENTANEDIONATO)NICKEL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
            "5239c8b3-f5d8-4771-b0d5-c4ca7740fc74"
          ],
          "display_name": false
        },
        {
          "uuid": "069be78e-fdbb-4db6-a627-b841f1c836c4",
          "name": "BIS(2,4-PENTANEDIONO)NICKEL(II)",
          "stdName": "BIS(2,4-PENTANEDIONO)NICKEL(II)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
            "87460e59-b547-4896-958d-cdd68a648bf9"
          ],
          "display_name": false
        },
        {
          "uuid": "f6a667be-cfd2-499f-b62a-2681a4e6f02a",
          "name": "BIS(ACETYLACETONE)NICKEL",
          "stdName": "BIS(ACETYLACETONE)NICKEL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
            "5239c8b3-f5d8-4771-b0d5-c4ca7740fc74"
          ],
          "display_name": false
        },
        {
          "uuid": "0603d878-0e4e-489a-ad72-dcbb41716a19",
          "name": "BISACETYLACETONATONICKEL(II)",
          "stdName": "BISACETYLACETONATONICKEL(II)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
            "87460e59-b547-4896-958d-cdd68a648bf9"
          ],
          "display_name": false
        },
        {
          "uuid": "39fcbf25-9801-4784-a327-728bd43d38f8",
          "name": "NICKEL ACETYLACETONATE",
          "stdName": "NICKEL ACETYLACETONATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "94a4ce94-803d-4d01-ac1f-b4b5772fe809",
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
            "87460e59-b547-4896-958d-cdd68a648bf9"
          ],
          "display_name": true
        },
        {
          "uuid": "fe91f3bf-ddef-4679-9baf-b9e5cb64ea93",
          "name": "NICKEL ACETYLACETONATE [MI]",
          "stdName": "NICKEL ACETYLACETONATE [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
            "87460e59-b547-4896-958d-cdd68a648bf9"
          ],
          "display_name": false
        },
        {
          "uuid": "4d7b43cc-a3ff-484c-a30a-09fb23dc4e32",
          "name": "NICKEL(II) ACETYLACETONATE",
          "stdName": "NICKEL(II) ACETYLACETONATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
            "5239c8b3-f5d8-4771-b0d5-c4ca7740fc74"
          ],
          "display_name": false
        },
        {
          "uuid": "d6081881-db48-4aa7-bc21-d710af61eee5",
          "name": "NICKELOUS ACETYLACETONATE",
          "stdName": "NICKELOUS ACETYLACETONATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
            "5239c8b3-f5d8-4771-b0d5-c4ca7740fc74"
          ],
          "display_name": false
        },
        {
          "uuid": "83067691-e0cf-4351-9eca-53f54915098d",
          "name": "NSC-4657",
          "stdName": "NSC-4657",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "8796ea01-019f-493e-acc7-3197b75d791d",
            "419aaba1-ff7c-45a9-a990-ab28abbb9f8c"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "87460e59-b547-4896-958d-cdd68a648bf9",
          "citation": "MERCK",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "419aaba1-ff7c-45a9-a990-ab28abbb9f8c",
          "citation": "MERCK INDEX",
          "doc_type": "MERCK INDEX",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8796ea01-019f-493e-acc7-3197b75d791d",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "5239c8b3-f5d8-4771-b0d5-c4ca7740fc74",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a70ed880-0ef8-44de-9d59-e4efd0c319a2",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391669000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c3ff05e1-f219-4944-b995-85a3d4ffa9b5",
          "citation": "SRS import [5I48R807JO]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=5I48R807JO",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391669000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "14482793-61b0-4150-ba8e-4f84505d649c",
          "citation": "CHEMID RECORD 3264-82-2",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "94a4ce94-803d-4d01-ac1f-b4b5772fe809",
          "citation": "NICKEL ACETYLACETONATE [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "02e2d4ff-6949-eeb0-1c39-0512aef95dd7",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "a6b9808d-fbbc-4660-9a43-1f61e1466c03",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "a6925f84-519a-727d-f7cf-9eed10569742",
          "citation": "SMS",
          "doc_type": "EMA LIST",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "49e97876-8cc0-44f6-9683-007c61d30371",
          "id": "49e97876-8cc0-44f6-9683-007c61d30371",
          "molfile": "\n  Marvin  01132103522D          \n\n  1  0  0  0  0  0            999 V2000\n    2.4605   -5.4031    0.0000 Ni  0  2  0  0  0  0  0  0  0  0  0  0\nM  CHG  1   1   2\nM  END",
          "smiles": "[Ni+2]",
          "formula": "Ni",
          "atropisomerism": "No",
          "charge": 2,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "10f31aa4-322a-4268-8904-7a2602c34bc0"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "58.6934",
          "optical_activity": "NONE",
          "stereo_centers": 0
        },
        {
          "uuid": "d61932d2-c718-44d2-9cb6-b03194165eaf",
          "id": "d61932d2-c718-44d2-9cb6-b03194165eaf",
          "molfile": "\n  Marvin  01132111052D          \n\n  7  6  0  0  0  0            999 V2000\n    6.0413   -6.0203    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7827   -5.6085    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7827   -4.7835    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4869   -6.0203    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1883   -5.6085    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.9306   -6.0203    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1883   -4.7835    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  2  0  0  0  0\n  2  4  1  0  0  0  0\n  5  4  1  0  0  0  0\n  5  6  1  0  0  0  0\n  7  5  2  0  0  0  0\nM  END",
          "smiles": "CC(=O)CC(=O)C",
          "formula": "C5H8O2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 2,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 2,
            "units": "MOL RATIO",
            "uuid": "a1bce71d-cce5-487c-9292-5e885aa64de8"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "100.116",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "5d7ddb9b-86f7-49cb-9a07-1aeadc87565c",
      "version": "5",
      "structure": {
        "id": "ad460e36-181d-443b-b159-c0c05768ec94",
        "molfile": "\n  Marvin  01132108592D          \n\n 15 12  0  0  0  0            999 V2000\n    2.4605   -5.4031    0.0000 Ni  0  2  0  0  0  0  0  0  0  0  0  0\n    8.1883   -4.7835    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1883   -5.6085    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4869   -6.0203    0.0000 C   0  5  0  0  0  0  0  0  0  0  0  0\n    6.7827   -5.6085    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7827   -4.7835    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.0413   -6.0203    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.9306   -6.0203    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1883   -4.7835    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1883   -5.6085    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4869   -6.0203    0.0000 C   0  5  0  0  0  0  0  0  0  0  0  0\n    6.7827   -5.6085    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7827   -4.7835    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.0413   -6.0203    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.9306   -6.0203    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  3  2  0  0  0  0\n  3  4  1  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  2  0  0  0  0\n  5  7  1  0  0  0  0\n  3  8  1  0  0  0  0\n  9 10  2  0  0  0  0\n 10 11  1  0  0  0  0\n 10 15  1  0  0  0  0\n 12 11  1  0  0  0  0\n 13 12  2  0  0  0  0\n 12 14  1  0  0  0  0\nM  CHG  3   1   2   4  -1  11  -1\nM  STY  1   1 MUL\nM  SCN  1   1 HT \nM  SAL   1 14   2   3   4   5   6   7   8   9  10  11  12  13  14  15\nM  SPA   1  7   2   3   4   5   6   7   8\nM  SDI   1  4    5.6213   -6.4403    5.6213   -4.3635\nM  SDI   1  4    9.3506   -4.3635    9.3506   -6.4403\nM  SMT   1 2\nM  END",
        "smiles": "CC(=O)[CH-]C(=O)C.CC(=O)[CH-]C(=O)C.[Ni+2]",
        "formula": "2C5H7O2.Ni",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "256.9095",
        "optical_activity": "NONE",
        "references": [
          "14482793-61b0-4150-ba8e-4f84505d649c",
          "c3ff05e1-f219-4944-b995-85a3d4ffa9b5"
        ],
        "stereo_centers": 0
      },
      "unii": "5I48R807JO"
    }
  ]
}