{
  "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": "ed74279f-3d5d-4ea6-b2cb-098a60c5426c",
          "code": "109-80-8",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=109-80-8",
          "code_system": "CAS",
          "references": [
            "244a6322-de8d-4974-92b4-7b3e9d86cafc",
            "8484ef54-daa3-4023-a801-d147e81cf3bc"
          ]
        },
        {
          "uuid": "1fc176bf-8a97-4d94-a8be-dfb6c9d0a6da",
          "code": "1,3-PROPANEDITHIOL",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=3310",
          "code_system": "JECFA EVALUATION",
          "references": [
            "244a6322-de8d-4974-92b4-7b3e9d86cafc"
          ]
        },
        {
          "uuid": "8e7ec62e-6d9b-423e-99fe-01441a659ad3",
          "code": "m9185",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m9185?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "244a6322-de8d-4974-92b4-7b3e9d86cafc"
          ]
        },
        {
          "uuid": "5bd2693f-f073-4503-9ce9-cea9e0ac4754",
          "code": "203-706-9",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.003.371",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "244a6322-de8d-4974-92b4-7b3e9d86cafc"
          ]
        },
        {
          "uuid": "5addef59-ae92-4492-be4d-2ca9bdb842c5",
          "code": "8013",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/8013",
          "code_system": "PUBCHEM",
          "references": [
            "244a6322-de8d-4974-92b4-7b3e9d86cafc"
          ]
        },
        {
          "uuid": "eefe3167-817e-f03e-a915-0e16b11b6a7e",
          "code": "1,3-Propanedithiol",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/1,3-Propanedithiol",
          "code_system": "WIKIPEDIA",
          "references": [
            "32bf856d-2cc5-8b52-4212-0d7392b3d415"
          ]
        },
        {
          "uuid": "6334117b-97be-62a1-35cb-833bc1352359",
          "code": "DTXSID0059376",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID0059376",
          "code_system": "EPA CompTox",
          "references": [
            "1e22f7cc-bfcf-7993-d76f-ad53615479da"
          ]
        },
        {
          "uuid": "bb14b346-660d-4321-4f00-92cf0923da15",
          "code": "44864",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:44864",
          "code_system": "CHEBI",
          "references": [
            "124784e2-676e-25fd-fa15-5b29094c8368"
          ]
        },
        {
          "uuid": "488234f5-7e88-4dcf-8541-8a7ee31cef93",
          "code": "R4LUJ82U52",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "e9a01dd3-356c-c752-f49d-7971b8abb12c",
          "code": "503",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/503/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "b3b5ea40-be0c-8ba8-41ad-d070a2ca734e"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "3c3a15b9-a316-4a8f-9cc2-92d116e7f8b6",
          "name": "1,3-DIMERCAPTOPROPANE",
          "stdName": "1,3-DIMERCAPTOPROPANE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1ef79b21-0504-4b70-b873-67f67e12bf7d",
            "c9ce47c6-7a00-42ec-aa93-1fc8423da083"
          ],
          "display_name": false
        },
        {
          "uuid": "9bf2e2db-da32-4846-9a3b-47472124153e",
          "name": "1,3-DITHIOLPROPANE",
          "stdName": "1,3-DITHIOLPROPANE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1ef79b21-0504-4b70-b873-67f67e12bf7d",
            "c9ce47c6-7a00-42ec-aa93-1fc8423da083"
          ],
          "display_name": false
        },
        {
          "uuid": "d32a85ff-cac1-4f05-b867-596d03192182",
          "name": "1,3-PROPANE DITHIOL",
          "stdName": "1,3-PROPANE DITHIOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1ef79b21-0504-4b70-b873-67f67e12bf7d",
            "6c4e0151-c744-4d59-9267-ccf808c606bb"
          ],
          "display_name": true
        },
        {
          "uuid": "7ff93314-fca6-43e3-bf0f-6b9cd79effda",
          "name": "1,3-PROPANEDITHIOL",
          "stdName": "1,3-PROPANEDITHIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "f208f707-bdec-4ebb-9590-7432b8463abe",
            "1ef79b21-0504-4b70-b873-67f67e12bf7d",
            "40ed71e9-118a-4d3f-a983-db667060889d",
            "e8c0d460-1a72-4481-9723-b00f8983b92f",
            "671f0123-8920-4132-8740-59933a468762",
            "59702e05-88d0-4350-9287-0c359469543e"
          ],
          "display_name": false
        },
        {
          "uuid": "02355816-bfcd-45e7-8241-978ad79487c0",
          "name": "1,3-PROPANEDITHIOL [FHFI]",
          "stdName": "1,3-PROPANEDITHIOL [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "f208f707-bdec-4ebb-9590-7432b8463abe",
            "1ef79b21-0504-4b70-b873-67f67e12bf7d"
          ],
          "display_name": false
        },
        {
          "uuid": "124c67c8-e540-40bd-88a9-8d26e041f054",
          "name": "1,3-PROPANEDITHIOL [MI]",
          "stdName": "1,3-PROPANEDITHIOL [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1ef79b21-0504-4b70-b873-67f67e12bf7d",
            "59702e05-88d0-4350-9287-0c359469543e"
          ],
          "display_name": false
        },
        {
          "uuid": "afb19f91-0b89-4224-9064-c1e564e06fea",
          "name": "1,3-TRIMETHYLENEDITHIOL",
          "stdName": "1,3-TRIMETHYLENEDITHIOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1ef79b21-0504-4b70-b873-67f67e12bf7d",
            "c9ce47c6-7a00-42ec-aa93-1fc8423da083"
          ],
          "display_name": false
        },
        {
          "uuid": "d47bd4a9-d7c3-42ca-ba73-a6105cf5d063",
          "name": "DITHIOTRIMETHYLENEGLYCOL",
          "stdName": "DITHIOTRIMETHYLENEGLYCOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1ef79b21-0504-4b70-b873-67f67e12bf7d",
            "c9ce47c6-7a00-42ec-aa93-1fc8423da083"
          ],
          "display_name": false
        },
        {
          "uuid": "da512c31-5a92-44dd-a1cd-def192e2acaf",
          "name": "FEMA NO. 3588",
          "stdName": "FEMA NO. 3588",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "eeb9dcd1-8b81-4ac3-9f28-573d57fdce48",
            "c5c15883-7b6a-432d-840f-37e3d51bee7a"
          ],
          "display_name": false
        },
        {
          "uuid": "2d5bd8b6-4090-4194-a373-6407b35dd079",
          "name": "MERCAPTOPROPANETHIOL",
          "stdName": "MERCAPTOPROPANETHIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1ef79b21-0504-4b70-b873-67f67e12bf7d",
            "c9ce47c6-7a00-42ec-aa93-1fc8423da083"
          ],
          "display_name": false
        },
        {
          "uuid": "e42d5bcd-038a-4c24-ad3d-7ed2ec388593",
          "name": "TRIMETHYLENEDITHIOGLYCOL",
          "stdName": "TRIMETHYLENEDITHIOGLYCOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1ef79b21-0504-4b70-b873-67f67e12bf7d",
            "c9ce47c6-7a00-42ec-aa93-1fc8423da083"
          ],
          "display_name": false
        },
        {
          "uuid": "b73314c8-cd22-43dc-9704-68bc7ae8f064",
          "name": "TRIMETHYLENEDITHIOL",
          "stdName": "TRIMETHYLENEDITHIOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1ef79b21-0504-4b70-b873-67f67e12bf7d",
            "c9ce47c6-7a00-42ec-aa93-1fc8423da083"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "eeb9dcd1-8b81-4ac3-9f28-573d57fdce48",
          "citation": "CHEMID FEMA BATCH 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "c5c15883-7b6a-432d-840f-37e3d51bee7a",
          "citation": "CHEMID BATCH 2010",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "6c4e0151-c744-4d59-9267-ccf808c606bb",
          "citation": "http://www.thegoodscentscompany.com/data/rw1036951.html",
          "url": "http://www.thegoodscentscompany.com/data/rw1036951.html",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "1ef79b21-0504-4b70-b873-67f67e12bf7d",
          "citation": "WEB PAGE",
          "doc_type": "WEB PAGE",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "59702e05-88d0-4350-9287-0c359469543e",
          "citation": "MERCK INDEX",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c9ce47c6-7a00-42ec-aa93-1fc8423da083",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "f208f707-bdec-4ebb-9590-7432b8463abe",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "671f0123-8920-4132-8740-59933a468762",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "244a6322-de8d-4974-92b4-7b3e9d86cafc",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390980000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ec45be63-cf5a-493a-bbab-4f273b107274",
          "citation": "SRS import [R4LUJ82U52]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=R4LUJ82U52",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390980000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8101f9dc-8136-46b1-97ca-c779d1a569c9",
          "citation": "CHEMID 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "40ed71e9-118a-4d3f-a983-db667060889d",
          "citation": "1,3-PROPANEDITHIOL [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "e8c0d460-1a72-4481-9723-b00f8983b92f",
          "citation": "1,3-PROPANEDITHIOL [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "32bf856d-2cc5-8b52-4212-0d7392b3d415",
          "citation": "WIKI",
          "url": "https://en.wikipedia.org/wiki/1,3-Propanedithiol",
          "doc_type": "WIKI",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "1e22f7cc-bfcf-7993-d76f-ad53615479da",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=109-80-8",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "8484ef54-daa3-4023-a801-d147e81cf3bc",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "124784e2-676e-25fd-fa15-5b29094c8368",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "b3b5ea40-be0c-8ba8-41ad-d070a2ca734e",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "e775948e-962f-4355-a050-37aadc8a5524",
          "id": "e775948e-962f-4355-a050-37aadc8a5524",
          "molfile": "\n  Marvin  01132111592D          \n\n  5  4  0  0  0  0            999 V2000\n    8.2637   -4.9595    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    7.5449   -4.5517    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.8349   -4.9595    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.1100   -4.5517    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3975   -4.9646    0.0000 S   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  3  4  1  0  0  0  0\n  4  5  1  0  0  0  0\nM  END",
          "smiles": "C(CS)CS",
          "formula": "C3H8S2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "5791f391-2e40-4345-aa6b-cffec07a7f22"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "108.2279",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "d465091b-f046-48cd-9133-fa2c99b531d1",
      "version": "6",
      "structure": {
        "id": "42f79312-f815-44bb-8978-b77b9c15917d",
        "molfile": "\n  Marvin  01132103322D          \n\n  5  4  0  0  0  0            999 V2000\n    6.8349   -4.9595    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.5449   -4.5517    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.2637   -4.9595    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    6.1100   -4.5517    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3975   -4.9646    0.0000 S   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  1  4  1  0  0  0  0\n  4  5  1  0  0  0  0\nM  END",
        "smiles": "C(CS)CS",
        "formula": "C3H8S2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "108.2279",
        "optical_activity": "NONE",
        "references": [
          "ec45be63-cf5a-493a-bbab-4f273b107274",
          "8101f9dc-8136-46b1-97ca-c779d1a569c9"
        ],
        "stereo_centers": 0
      },
      "unii": "R4LUJ82U52"
    }
  ]
}