{
  "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": "94f571c7-fb2a-4dd2-8016-4ac2d2dd3341",
          "code": "2050-60-4",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=2050-60-4",
          "code_system": "CAS",
          "references": [
            "36ede4a5-c91e-4bc6-8d7a-b0d25f2676c4",
            "98c9c4aa-3404-4455-a4d4-03e9b5b03053"
          ]
        },
        {
          "uuid": "0b44baff-cdf4-4021-8201-aac2a12e0c76",
          "code": "218-092-8",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.016.449",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "36ede4a5-c91e-4bc6-8d7a-b0d25f2676c4"
          ]
        },
        {
          "uuid": "522b5bf3-b776-4edc-933d-7b229efdf089",
          "code": "16306",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/16306",
          "code_system": "PUBCHEM",
          "references": [
            "36ede4a5-c91e-4bc6-8d7a-b0d25f2676c4"
          ]
        },
        {
          "uuid": "5addddc2-1c89-6140-221b-2f4921992e57",
          "code": "DTXSID7041916",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID7041916",
          "code_system": "EPA CompTox",
          "references": [
            "4bc7265e-fc24-9b30-70c3-757b77b693f5"
          ]
        },
        {
          "uuid": "1c8ba9ed-0228-4cf9-adbb-fe4de618aa77",
          "code": "S18C168OWC",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "4e2c240c-40d4-bc14-b439-e462d2ae5c29",
          "code": "8468",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=8468",
          "code_system": "NSC",
          "references": [
            "f6a5d3f4-bfcc-2817-6d4d-ec8a42c6b81f"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "23c296ba-ee8f-42c7-b85d-a7f887e28dcc",
          "name": "DI-N-BUTYL OXALATE",
          "stdName": "DI-N-BUTYL OXALATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "794414c6-4367-487d-8c12-a81ffce4cada",
            "3f74a596-35e4-42ee-8508-13341a668eef"
          ],
          "display_name": false
        },
        {
          "uuid": "182c9f51-b359-47e6-ab82-f3fcfd362a72",
          "name": "DIBUTYL ETHANEDIOATE",
          "stdName": "DIBUTYL ETHANEDIOATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3f74a596-35e4-42ee-8508-13341a668eef",
            "66ce8b0f-feea-4af1-b58b-c2f9db14855d"
          ],
          "display_name": false
        },
        {
          "uuid": "e936cada-470f-4ad5-8e23-e583e7576f07",
          "name": "DIBUTYL OXALATE",
          "stdName": "DIBUTYL OXALATE",
          "type": "of",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "96a214ae-1b7b-476a-95e5-5323b7bae5a9",
            "794414c6-4367-487d-8c12-a81ffce4cada",
            "3f74a596-35e4-42ee-8508-13341a668eef",
            "66ce8b0f-feea-4af1-b58b-c2f9db14855d"
          ],
          "display_name": true,
          "domains": [
            "cosmetic"
          ],
          "name_orgs": [
            {
              "uuid": "1383f758-4b81-43d6-912c-a01649c3d94c",
              "name_org": "INCI"
            }
          ]
        },
        {
          "uuid": "e7a4b085-8200-4596-b5cf-d6f7a32737d4",
          "name": "ETHANEDIOIC ACID, 1,2-DIBUTYL ESTER",
          "stdName": "ETHANEDIOIC ACID, 1,2-DIBUTYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "794414c6-4367-487d-8c12-a81ffce4cada",
            "3f74a596-35e4-42ee-8508-13341a668eef"
          ],
          "display_name": false
        },
        {
          "uuid": "acc019f6-4e8a-4069-bdc0-ac05ad2ca580",
          "name": "ETHANEDIOIC ACID, DIBUTYL ESTER",
          "stdName": "ETHANEDIOIC ACID, DIBUTYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "794414c6-4367-487d-8c12-a81ffce4cada",
            "3f74a596-35e4-42ee-8508-13341a668eef"
          ],
          "display_name": false
        },
        {
          "uuid": "1f3c8ea4-03b3-41d1-8d11-73ca8730f74a",
          "name": "NSC-8468",
          "stdName": "NSC-8468",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "794414c6-4367-487d-8c12-a81ffce4cada",
            "3f74a596-35e4-42ee-8508-13341a668eef"
          ],
          "display_name": false
        },
        {
          "uuid": "e7855209-593a-4ac0-b11b-00e49893b8ea",
          "name": "OXALIC ACID, DIBUTYL ESTER",
          "stdName": "OXALIC ACID, DIBUTYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "794414c6-4367-487d-8c12-a81ffce4cada",
            "3f74a596-35e4-42ee-8508-13341a668eef"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "794414c6-4367-487d-8c12-a81ffce4cada",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "3f74a596-35e4-42ee-8508-13341a668eef",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "66ce8b0f-feea-4af1-b58b-c2f9db14855d",
          "citation": "PCPC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "36ede4a5-c91e-4bc6-8d7a-b0d25f2676c4",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391494000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ab761af1-7abb-4275-b697-7079e6118f22",
          "citation": "SRS import [S18C168OWC]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=S18C168OWC",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391494000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "96a214ae-1b7b-476a-95e5-5323b7bae5a9",
          "citation": "DIBUTYL OXALATE [INCI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "4bc7265e-fc24-9b30-70c3-757b77b693f5",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=2050-60-4",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "f6a5d3f4-bfcc-2817-6d4d-ec8a42c6b81f",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "98c9c4aa-3404-4455-a4d4-03e9b5b03053",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "f5c0d1b9-5041-45e7-8c02-a5490ba387be",
          "id": "f5c0d1b9-5041-45e7-8c02-a5490ba387be",
          "molfile": "\n  Marvin  01132112442D          \n\n 14 13  0  0  0  0            999 V2000\n   12.8616   -5.8818    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.1406   -5.4805    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.4197   -5.8848    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.6988   -5.4868    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.9842   -5.8848    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.2665   -5.4931    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.2665   -4.6592    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.5581   -5.8848    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.5581   -6.7185    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.8403   -5.4931    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1257   -5.8911    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.4048   -5.4961    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6839   -5.8973    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9630   -5.4961    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  1  0  0  0  0\n  6  5  1  0  0  0  0\n  6  7  2  0  0  0  0\n  8  6  1  0  0  0  0\n  8  9  2  0  0  0  0\n  8 10  1  0  0  0  0\n 10 11  1  0  0  0  0\n 11 12  1  0  0  0  0\n 12 13  1  0  0  0  0\n 13 14  1  0  0  0  0\nM  END",
          "smiles": "CCCCOC(=O)C(=O)OCCCC",
          "formula": "C10H18O4",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "22e780d8-f852-4e01-9831-20f12efa6501"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "202.2479",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "beb9977c-1644-4ef1-b459-7ce1506c7581",
      "version": "5",
      "structure": {
        "id": "e2d0fe9b-8568-4613-9a6a-d96bf334fe86",
        "molfile": "\n  Marvin  01132111442D          \n\n 14 13  0  0  0  0            999 V2000\n   12.8616   -5.8818    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9630   -5.4961    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.1406   -5.4805    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6839   -5.8973    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.4197   -5.8848    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.4048   -5.4961    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.6988   -5.4868    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1257   -5.8911    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.2665   -4.6592    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.9842   -5.8848    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.5581   -6.7185    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.8403   -5.4931    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.2665   -5.4931    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.5581   -5.8848    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  3  1  1  0  0  0  0\n  4  2  1  0  0  0  0\n  5  3  1  0  0  0  0\n  6  4  1  0  0  0  0\n  7  5  1  0  0  0  0\n  8  6  1  0  0  0  0\n 10  7  1  0  0  0  0\n 12  8  1  0  0  0  0\n 13  9  2  0  0  0  0\n 13 10  1  0  0  0  0\n 14 11  2  0  0  0  0\n 14 12  1  0  0  0  0\n 14 13  1  0  0  0  0\nM  END",
        "smiles": "CCCCOC(=O)C(=O)OCCCC",
        "formula": "C10H18O4",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "202.2479",
        "optical_activity": "NONE",
        "references": [
          "794414c6-4367-487d-8c12-a81ffce4cada",
          "ab761af1-7abb-4275-b697-7079e6118f22"
        ],
        "stereo_centers": 0
      },
      "unii": "S18C168OWC"
    }
  ]
}