{
  "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": "a14c3d18-b0ff-4c7e-a694-7f15f54e6f47",
          "code": "55794-20-2",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=55794-20-2",
          "code_system": "CAS",
          "references": [
            "4c529ee3-893d-4517-9443-1d68504bf6cd",
            "6cba61b6-90b6-48ac-8ef8-5833b0d063a1"
          ]
        },
        {
          "uuid": "bc187bf6-85f4-4523-b4a3-2b92543c367a",
          "code": "259-820-4",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.054.365",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "4c529ee3-893d-4517-9443-1d68504bf6cd"
          ]
        },
        {
          "uuid": "ae6740ad-fc7f-47da-bb43-8cc4976504e2",
          "code": "108769",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/108769",
          "code_system": "PUBCHEM",
          "references": [
            "4c529ee3-893d-4517-9443-1d68504bf6cd"
          ]
        },
        {
          "uuid": "8da117b8-34b0-bd66-3c0f-c8f57a4f8209",
          "code": "DTXSID4069050",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID4069050",
          "code_system": "EPA CompTox",
          "references": [
            "00385906-6e98-e90c-fcc4-af0e3d1537b9"
          ]
        },
        {
          "uuid": "8462dd9d-e8c0-40cb-87c4-9db1c02a5037",
          "code": "KAB9RC3PEN",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "0d2b0d5c-411d-41ca-b540-bdd2dc039253",
          "name": "Butanoic acid, 3,3-bis[(1,1-dimethylethyl)dioxy]-, ethyl ester",
          "stdName": "BUTANOIC ACID, 3,3-BIS((1,1-DIMETHYLETHYL)DIOXY)-, ETHYL ESTER",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "01e6182a-750c-4ed1-8ac8-27313960791f",
            "50219a4e-30fb-477b-957c-58e31119cdea",
            "6cba61b6-90b6-48ac-8ef8-5833b0d063a1"
          ],
          "display_name": false
        },
        {
          "uuid": "87cea8f9-0fa3-47b0-8267-319fd4104f22",
          "name": "Ethyl 3,3-bis(tert-butylperoxy)butanoate",
          "stdName": "ETHYL 3,3-BIS(TERT-BUTYLPEROXY)BUTANOATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cba61b6-90b6-48ac-8ef8-5833b0d063a1"
          ],
          "display_name": true
        },
        {
          "uuid": "81f7cd3a-bc1f-401d-a04b-ab80c190f358",
          "name": "Ethyl 3,3-bis(tert-butylperoxy)butyrate",
          "stdName": "ETHYL 3,3-BIS(TERT-BUTYLPEROXY)BUTYRATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cba61b6-90b6-48ac-8ef8-5833b0d063a1"
          ],
          "display_name": false
        },
        {
          "uuid": "1c2b9bf7-1791-4111-8cb9-a41d69a3b939",
          "name": "Ethyl 3,3-di(t-butylperoxy)butyrate",
          "stdName": "ETHYL 3,3-DI(T-BUTYLPEROXY)BUTYRATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cba61b6-90b6-48ac-8ef8-5833b0d063a1"
          ],
          "display_name": false
        },
        {
          "uuid": "f4955687-5c64-4582-94e7-65ae8c1a9f5b",
          "name": "Ethyl 3,3-di(tert-butylperoxy)butyrate",
          "stdName": "ETHYL 3,3-DI(TERT-BUTYLPEROXY)BUTYRATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cba61b6-90b6-48ac-8ef8-5833b0d063a1"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "50219a4e-30fb-477b-957c-58e31119cdea",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "01e6182a-750c-4ed1-8ac8-27313960791f",
          "citation": "EPA",
          "doc_type": "EPA",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "4c529ee3-893d-4517-9443-1d68504bf6cd",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493394054000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "00385906-6e98-e90c-fcc4-af0e3d1537b9",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=55794-20-2",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "6cba61b6-90b6-48ac-8ef8-5833b0d063a1",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "9318bc0f-ed95-4f40-bdf5-8dbe97b738f7",
          "id": "9318bc0f-ed95-4f40-bdf5-8dbe97b738f7",
          "molfile": "\n  Marvin  01132107372D          \n\n 20 19  0  0  0  0            999 V2000\n    1.0955   -2.6919    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.8335   -3.1277    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.5730   -2.7093    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.3110   -3.1451    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.3030   -3.9992    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.0505   -2.7268    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.7885   -3.1625    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3792   -2.5866    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.7835   -4.0196    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.7913   -4.8572    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5692   -5.3086    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2567   -5.6266    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1662   -5.8676    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.0208   -4.6681    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7530   -3.3844    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.4190   -2.7461    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1121   -3.2528    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.5645   -2.7995    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6707   -3.6818    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6074   -3.7613    0.0000 C   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  2  0  0  0  0\n  4  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n  7  9  1  0  0  0  0\n  7 15  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\n 11 13  1  0  0  0  0\n 11 14  1  0  0  0  0\n 15 16  1  0  0  0  0\n 16 17  1  0  0  0  0\n 17 18  1  0  0  0  0\n 17 19  1  0  0  0  0\n 17 20  1  0  0  0  0\nM  END",
          "smiles": "CCOC(=O)CC(C)(OOC(C)(C)C)OOC(C)(C)C",
          "formula": "C14H28O6",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "2b4c3a6e-f26c-4f5d-81ce-485d8b92cf6d"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "292.3691",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "2dc1ccad-057d-421d-a249-7e8d059da742",
      "version": "6",
      "structure": {
        "id": "e5480dcc-3657-444f-b7b0-06eeab094a79",
        "molfile": "\n  Marvin  01132111522D          \n\n 20 19  0  0  0  0            999 V2000\n    3.3030   -3.9992    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.3110   -3.1451    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.5730   -2.7093    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    1.8335   -3.1277    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.0955   -2.6919    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.0505   -2.7268    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.7885   -3.1625    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.7835   -4.0196    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.7913   -4.8572    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5692   -5.3086    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2567   -5.6266    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1662   -5.8676    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.0208   -4.6681    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7530   -3.3844    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.4190   -2.7461    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1121   -3.2528    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.5645   -2.7995    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6707   -3.6818    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6074   -3.7613    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3792   -2.5866    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  2  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  2  6  1  0  0  0  0\n  6  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 10 12  1  0  0  0  0\n 10 13  1  0  0  0  0\n  7 14  1  0  0  0  0\n 14 15  1  0  0  0  0\n 15 16  1  0  0  0  0\n 16 17  1  0  0  0  0\n 16 18  1  0  0  0  0\n 16 19  1  0  0  0  0\n  7 20  1  0  0  0  0\nM  END",
        "smiles": "CCOC(=O)CC(C)(OOC(C)(C)C)OOC(C)(C)C",
        "formula": "C14H28O6",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "292.3691",
        "optical_activity": "NONE",
        "references": [
          "50219a4e-30fb-477b-957c-58e31119cdea"
        ],
        "stereo_centers": 0
      },
      "unii": "KAB9RC3PEN"
    }
  ]
}