{
  "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": "8bf54d4e-1837-4298-afec-d9015da1457a",
          "code": "638-46-0",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=638-46-0",
          "code_system": "CAS",
          "references": [
            "42a8563f-babb-4569-b8cc-7ce085aba41e",
            "84c44101-fd73-4e7b-8caf-4eeee7197246"
          ]
        },
        {
          "uuid": "46e38274-e59b-4c04-80a1-a6a2710a074d",
          "code": "12528",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/12528",
          "code_system": "PUBCHEM",
          "references": [
            "42a8563f-babb-4569-b8cc-7ce085aba41e"
          ]
        },
        {
          "uuid": "f41d4f13-b334-45d3-a2db-bdc5d328f205",
          "code": "2RYB65Z11E",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "afb996a9-69b9-5481-5eac-262a72e7c7b0",
          "code": "19",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=19",
          "code_system": "NSC",
          "references": [
            "7155329b-e385-f8a0-dac0-23f9f53b2af7"
          ]
        },
        {
          "uuid": "d4199907-2686-26bf-5ed5-a847ec7e4ee2",
          "code": "DTXSID80862340",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID80862340",
          "code_system": "EPA CompTox"
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "bdd628a2-1506-4bf2-8cfa-4c55b829dcdc",
          "name": "1-(ETHYLTHIO)BUTANE",
          "stdName": "1-(ETHYLTHIO)BUTANE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "fd103713-de30-4790-8370-272947929c5a",
            "8c200d2e-ef1b-4232-98fa-ff5de6810c69"
          ],
          "display_name": false
        },
        {
          "uuid": "49eadb81-37fb-45d2-8574-5e6b1f8c3fe2",
          "name": "3-THIAHEPTANE",
          "stdName": "3-THIAHEPTANE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "fd103713-de30-4790-8370-272947929c5a",
            "8c200d2e-ef1b-4232-98fa-ff5de6810c69"
          ],
          "display_name": false
        },
        {
          "uuid": "39b0dc3e-8801-4114-bfd4-4f5610f7813b",
          "name": "BUTANE, 1-(ETHYLTHIO)-",
          "stdName": "BUTANE, 1-(ETHYLTHIO)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "fd103713-de30-4790-8370-272947929c5a",
            "8c200d2e-ef1b-4232-98fa-ff5de6810c69"
          ],
          "display_name": false
        },
        {
          "uuid": "1a5702a6-0d82-42a1-8fdc-9dbef2a76cfd",
          "name": "BUTYL ETHYL SULFIDE",
          "stdName": "BUTYL ETHYL SULFIDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bdcabd6c-01e8-4d9d-af87-27c99cc17934"
          ],
          "display_name": true
        },
        {
          "uuid": "b5adf54a-3338-4af8-bc5b-6d3a974c35ab",
          "name": "N-BUTYL ETHYL SULFIDE",
          "stdName": "N-BUTYL ETHYL SULFIDE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "fd103713-de30-4790-8370-272947929c5a",
            "8c200d2e-ef1b-4232-98fa-ff5de6810c69"
          ],
          "display_name": false
        },
        {
          "uuid": "2ef5da07-21db-49e6-97c4-1e0906b4061f",
          "name": "NSC-19",
          "stdName": "NSC-19",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "fd103713-de30-4790-8370-272947929c5a",
            "8c200d2e-ef1b-4232-98fa-ff5de6810c69"
          ],
          "display_name": false
        },
        {
          "uuid": "5eef2df4-70d5-4d79-8854-064034096449",
          "name": "SULFIDE, BUTYL ETHYL",
          "stdName": "SULFIDE, BUTYL ETHYL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "fd103713-de30-4790-8370-272947929c5a",
            "8c200d2e-ef1b-4232-98fa-ff5de6810c69"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "bdcabd6c-01e8-4d9d-af87-27c99cc17934",
          "citation": "CHEMID 2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "fd103713-de30-4790-8370-272947929c5a",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8c200d2e-ef1b-4232-98fa-ff5de6810c69",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "42a8563f-babb-4569-b8cc-7ce085aba41e",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390995000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2bb2646f-e2ce-453a-825c-b55bf0aecde5",
          "citation": "SRS import [2RYB65Z11E]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=2RYB65Z11E",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390995000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "3fd75a13-0e8e-4e6f-939b-7cfb1090d4b3",
          "citation": "CHEMID  2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "84c44101-fd73-4e7b-8caf-4eeee7197246",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "7155329b-e385-f8a0-dac0-23f9f53b2af7",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "3378154b-59e8-4b51-b65d-0056272d1a98",
          "id": "3378154b-59e8-4b51-b65d-0056272d1a98",
          "molfile": "\n  Marvin  01132102452D          \n\n  7  6  0  0  0  0            999 V2000\n    4.8351   -5.2123    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5585   -4.8171    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2731   -5.2293    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9917   -4.8305    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7066   -5.2426    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4345   -4.8492    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1579   -5.2558    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  4  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  1  0  0  0  0\nM  END",
          "smiles": "CCCCSCC",
          "formula": "C6H14S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "9d3d5ede-4bcb-4e92-aa3a-e0795026cb3b"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "118.2417",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "1f6a793b-c085-49ba-a561-f85a9e4b3304",
      "version": "4",
      "structure": {
        "id": "70b5e89a-05c7-43e5-a785-2e9038f3d695",
        "molfile": "\n  Marvin  01132105512D          \n\n  7  6  0  0  0  0            999 V2000\n    6.9917   -4.8305    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2731   -5.2293    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5585   -4.8171    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8351   -5.2123    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7066   -5.2426    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4345   -4.8492    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1579   -5.2558    0.0000 C   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  1  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  1  0  0  0  0\nM  END",
        "smiles": "CCCCSCC",
        "formula": "C6H14S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "118.2417",
        "optical_activity": "NONE",
        "references": [
          "3fd75a13-0e8e-4e6f-939b-7cfb1090d4b3",
          "2bb2646f-e2ce-453a-825c-b55bf0aecde5"
        ],
        "stereo_centers": 0
      },
      "unii": "2RYB65Z11E"
    }
  ]
}