{
  "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": "4c0e78e0-208f-4fb0-a5f4-7fa2b870072d",
          "code": "1120-71-4",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=1120-71-4",
          "code_system": "CAS",
          "references": [
            "1d23790c-b7ed-4635-9aed-081eb11d6e5c",
            "421da2fc-481e-4a03-bcd7-bc0cb2da86e7"
          ]
        },
        {
          "uuid": "15749a57-ce2b-4c7e-99ab-65241e14da1a",
          "code": "214-317-9",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.013.017",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "1d23790c-b7ed-4635-9aed-081eb11d6e5c"
          ]
        },
        {
          "uuid": "5f662bfd-d481-40cb-bbdf-ca9c307c25a0",
          "code": "14264",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/14264",
          "code_system": "PUBCHEM",
          "references": [
            "1d23790c-b7ed-4635-9aed-081eb11d6e5c"
          ]
        },
        {
          "uuid": "9769782b-e28c-b093-9fe8-f9b0f59d9557",
          "code": "1,3-Propane sultone",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/1,3-Propane_sultone",
          "code_system": "WIKIPEDIA",
          "references": [
            "d27a76bd-b7a9-2b17-5dbf-278148a404c1"
          ]
        },
        {
          "uuid": "4494c4bc-847c-575f-b11b-3299df587fd4",
          "code": "1673",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/source/hsdb/1673",
          "code_system": "HSDB",
          "references": [
            "7079051d-7268-f1ca-9ae2-ab308842c81b"
          ]
        },
        {
          "uuid": "2b2f41b3-3a61-d941-2203-9723c0e39e1f",
          "code": "DTXSID8021195",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID8021195",
          "code_system": "EPA CompTox",
          "references": [
            "2763f049-d01b-0f31-904c-3c64a9fa7d6f"
          ]
        },
        {
          "uuid": "1e17dc29-6753-4284-a6c5-8a8b0cc020d6",
          "code": "L6NTK7VJX9",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "05166133-65b6-a903-3ef7-f90264fa804d",
          "code": "42386",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=42386",
          "code_system": "NSC",
          "references": [
            "6baf3305-9f3b-744d-9e37-65aff9a53b29"
          ]
        },
        {
          "uuid": "cd504f31-f907-ec9a-a051-66ce8eebfd9d",
          "code": "300000053006",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "57f1d347-6748-ebd2-d379-ef6e58b9a640"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "e1c78b8e-473a-4da2-91ce-2a21e52c62f3",
          "name": ".GAMMA.-PROPANE SULTONE",
          "stdName": ".GAMMA.-PROPANE SULTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "86e6bad7-9da1-49bd-b733-f202f93263b4",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "3f1a46cd-726c-4911-a6e3-f253f72b7e52",
          "name": "1,2-OXATHIOLANE, 2,2-DIOXIDE",
          "stdName": "1,2-OXATHIOLANE, 2,2-DIOXIDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "86e6bad7-9da1-49bd-b733-f202f93263b4",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "cb9dc0d1-f671-49f1-ae04-01c6bb90353c",
          "name": "1,3-PROPANE SULTONE",
          "stdName": "1,3-PROPANE SULTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "cc9203be-906c-4b74-85e4-08c81a0e6fff",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1",
            "8c81404b-34ca-4970-ae8f-55d3b96ad900",
            "22faed43-ab60-4f42-af41-41288fb99c9f"
          ],
          "display_name": true
        },
        {
          "uuid": "1658f954-3590-4036-b3de-0f50326b8536",
          "name": "1,3-PROPANE SULTONE [HSDB]",
          "stdName": "1,3-PROPANE SULTONE [HSDB]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "cc9203be-906c-4b74-85e4-08c81a0e6fff",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "42a0a218-fbfc-d4a7-e471-ddaa43e5fcc5",
          "name": "1,3-PROPANE SULTONE [IARC]",
          "stdName": "1,3-PROPANE SULTONE [IARC]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1abeaa02-d39d-d667-41cb-e1ca6dced433"
          ],
          "display_name": false
        },
        {
          "uuid": "e5fe6ef0-ffb4-4728-b7e4-99de91af0ee1",
          "name": "1,3-TRIMETHYLENE SULTONE",
          "stdName": "1,3-TRIMETHYLENE SULTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "86e6bad7-9da1-49bd-b733-f202f93263b4",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "e5c6780e-2255-4003-9158-146c82659f8a",
          "name": "1-PROPANESULFONIC ACID, 3-HYDROXY-, .GAMMA.-SULTONE",
          "stdName": "1-PROPANESULFONIC ACID, 3-HYDROXY-, .GAMMA.-SULTONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "86e6bad7-9da1-49bd-b733-f202f93263b4",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "995be4ad-0aab-49dc-8515-43f660a1399e",
          "name": "3-HYDROXY-1-PROPANESULFONIC ACID .GAMMA.-SULTONE",
          "stdName": "3-HYDROXY-1-PROPANESULFONIC ACID .GAMMA.-SULTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "86e6bad7-9da1-49bd-b733-f202f93263b4",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "b489c08e-1c3b-46f9-b7fd-c2b924b96127",
          "name": "3-HYDROXY-1-PROPANESULFONIC ACID SULTONE",
          "stdName": "3-HYDROXY-1-PROPANESULFONIC ACID SULTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "86e6bad7-9da1-49bd-b733-f202f93263b4",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "ca7b19ae-a861-43e1-9db8-6de9e5c336fc",
          "name": "3-HYDROXYTHIETANE-1,1-DIOXIDE",
          "stdName": "3-HYDROXYTHIETANE-1,1-DIOXIDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5efb5a2a-173a-47d0-bd73-67b83c319cce",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "98644128-c978-4664-abd7-5b425c79f5d3",
          "name": "NSC-42386",
          "stdName": "NSC-42386",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "86e6bad7-9da1-49bd-b733-f202f93263b4",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "7eb59283-d3bf-49bf-8596-f526013ca824",
          "name": "PROPANE SULTONE",
          "stdName": "PROPANE SULTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "86e6bad7-9da1-49bd-b733-f202f93263b4",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "2b943cc9-539b-4646-80cf-d230a791c8e6",
          "name": "PROPYL SULTONE",
          "stdName": "PROPYL SULTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "86e6bad7-9da1-49bd-b733-f202f93263b4",
            "1ff97f04-3968-4cf9-ab42-e3abe457bea1"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "8c81404b-34ca-4970-ae8f-55d3b96ad900",
          "citation": "ICSAS BATCH 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "cc9203be-906c-4b74-85e4-08c81a0e6fff",
          "citation": "HSDB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "1ff97f04-3968-4cf9-ab42-e3abe457bea1",
          "citation": "NLM",
          "doc_type": "NLM",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "86e6bad7-9da1-49bd-b733-f202f93263b4",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "5efb5a2a-173a-47d0-bd73-67b83c319cce",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "1d23790c-b7ed-4635-9aed-081eb11d6e5c",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390890000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e8888b0e-f5f6-42f0-920f-1352da76597d",
          "citation": "SRS import [L6NTK7VJX9]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=L6NTK7VJX9",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390890000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "09b6390b-06a3-47cd-bbe2-1d191235973b",
          "citation": "CHEMID 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "22faed43-ab60-4f42-af41-41288fb99c9f",
          "citation": "1,3-PROPANE SULTONE [HSDB]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "d27a76bd-b7a9-2b17-5dbf-278148a404c1",
          "citation": "WIKI",
          "url": "https://en.wikipedia.org/wiki/1,3-Propane_sultone",
          "doc_type": "WIKI",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "7079051d-7268-f1ca-9ae2-ab308842c81b",
          "citation": "WEBSITE",
          "url": "https://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+1120-71-4",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "2763f049-d01b-0f31-904c-3c64a9fa7d6f",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=1120-71-4",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "1abeaa02-d39d-d667-41cb-e1ca6dced433",
          "citation": "IARC",
          "doc_type": "IARC",
          "public_domain": true
        },
        {
          "uuid": "421da2fc-481e-4a03-bcd7-bc0cb2da86e7",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "6baf3305-9f3b-744d-9e37-65aff9a53b29",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "57f1d347-6748-ebd2-d379-ef6e58b9a640",
          "citation": "SMS",
          "doc_type": "EMA LIST",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "a0b7a4c1-acb4-43cf-b44a-686559caf46f",
          "id": "a0b7a4c1-acb4-43cf-b44a-686559caf46f",
          "molfile": "\n  Marvin  01132108212D          \n\n  7  7  0  0  0  0            999 V2000\n    7.6467   -5.6566    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0336   -5.1045    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6467   -4.5525    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5487   -4.4370    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7641   -4.6921    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7641   -5.5170    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5487   -5.7719    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  2  0  0  0  0\n  2  3  2  0  0  0  0\n  4  2  1  0  0  0  0\n  2  7  1  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  1  0  0  0  0\n  7  6  1  0  0  0  0\nM  END",
          "smiles": "C1COS(=O)(=O)C1",
          "formula": "C3H6O3S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "1e327c96-049d-48d0-add9-4ca74804ab1c"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "122.1442",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "79833fe7-e9d0-47f1-92b5-f541c13f35db",
      "version": "10",
      "structure": {
        "id": "2d7fd98c-0c92-4bc7-8580-3180a3311ae7",
        "molfile": "\n  Marvin  01132102272D          \n\n  7  7  0  0  0  0            999 V2000\n    5.7641   -5.5170    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7641   -4.6921    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5487   -4.4370    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0336   -5.1045    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5487   -5.7719    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6467   -5.6566    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6467   -4.5525    0.0000 O   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  4  5  1  0  0  0  0\n  5  1  1  0  0  0  0\n  4  6  2  0  0  0  0\n  4  7  2  0  0  0  0\nM  END",
        "smiles": "C1COS(=O)(=O)C1",
        "formula": "C3H6O3S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "122.1442",
        "optical_activity": "NONE",
        "references": [
          "e8888b0e-f5f6-42f0-920f-1352da76597d",
          "09b6390b-06a3-47cd-bbe2-1d191235973b"
        ],
        "stereo_centers": 0
      },
      "unii": "L6NTK7VJX9"
    }
  ]
}