{
  "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": "1a87e7a2-1f0a-42da-bc51-3882353b5426",
          "code": "14032-62-3",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=14032-62-3",
          "code_system": "CAS",
          "references": [
            "aa8573ab-6b08-4c7b-a6a6-00b7f414f3ec",
            "2265394c-1a04-461c-a25a-ae373cefb012"
          ]
        },
        {
          "uuid": "1642806f-2ebe-4256-9430-40b26d6f9f25",
          "code": "139666",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/139666",
          "code_system": "PUBCHEM",
          "references": [
            "aa8573ab-6b08-4c7b-a6a6-00b7f414f3ec"
          ]
        },
        {
          "uuid": "f48d3874-fd3d-4ca9-8774-9fc1a9713492",
          "code": "W1N413MV5E",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "eaa4c094-7860-1f81-5508-b8701b584ae6",
          "code": "DTXSID50930762",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID50930762",
          "code_system": "EPA CompTox"
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "5ef7ab02-b5d0-45df-8d46-eaf0947b2f31",
          "name": "(±)-3-MERCAPTOTETRAHYDROFURAN-2-ONE",
          "stdName": "(+/-)-3-MERCAPTOTETRAHYDROFURAN-2-ONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b203fdd6-10c8-4a73-ba3e-21929012f7a2",
            "ae32d478-589a-41b4-a330-5f9a121e873e"
          ],
          "display_name": false
        },
        {
          "uuid": "46a94a7f-ef32-418a-beab-dd1e322c4be2",
          "name": ".ALPHA.-MERCAPTO-.GAMMA.-BUTYROLACTONE",
          "stdName": ".ALPHA.-MERCAPTO-.GAMMA.-BUTYROLACTONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ae32d478-589a-41b4-a330-5f9a121e873e",
            "c4b66eef-fa9b-455f-a166-a953b6900a86"
          ],
          "display_name": false
        },
        {
          "uuid": "8bd306e6-bac9-4a43-bbb4-6a9dafec84e6",
          "name": "2(3H)-FURANONE, DIHYDRO-3-MERCAPTO-",
          "stdName": "2(3H)-FURANONE, DIHYDRO-3-MERCAPTO-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ae32d478-589a-41b4-a330-5f9a121e873e",
            "c4b66eef-fa9b-455f-a166-a953b6900a86"
          ],
          "display_name": false
        },
        {
          "uuid": "9f1a1c92-efe6-4162-9a25-9e5037169191",
          "name": "3-MERCAPTOTETRAHYDROFURAN-2-ONE",
          "stdName": "3-MERCAPTOTETRAHYDROFURAN-2-ONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ae32d478-589a-41b4-a330-5f9a121e873e",
            "c4b66eef-fa9b-455f-a166-a953b6900a86"
          ],
          "display_name": false
        },
        {
          "uuid": "400ce76e-28e8-463d-a023-ccf84da8ec38",
          "name": "3-MERCAPTOTETRAHYDROFURAN-2-ONE, (±)-",
          "stdName": "3-MERCAPTOTETRAHYDROFURAN-2-ONE, (+/-)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b203fdd6-10c8-4a73-ba3e-21929012f7a2",
            "ae32d478-589a-41b4-a330-5f9a121e873e"
          ],
          "display_name": false
        },
        {
          "uuid": "d6338039-fa48-43bb-940a-9e7c4ac96687",
          "name": "BUTYROLACTONETHIOL",
          "stdName": "BUTYROLACTONETHIOL",
          "type": "of",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "06674669-43e4-4305-b998-b22e1ec99d03",
            "95eb7239-29cd-4e81-ac35-220cffe24194",
            "ae32d478-589a-41b4-a330-5f9a121e873e"
          ],
          "display_name": true,
          "domains": [
            "cosmetic"
          ],
          "name_orgs": [
            {
              "uuid": "1802c319-7545-4ade-8812-adf7295b8c3e",
              "name_org": "INCI"
            }
          ]
        },
        {
          "uuid": "2df75f21-6f1b-4821-a4a6-0f564274d159",
          "name": "SPIERA",
          "stdName": "SPIERA",
          "type": "bn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ae32d478-589a-41b4-a330-5f9a121e873e",
            "c4b66eef-fa9b-455f-a166-a953b6900a86"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "06674669-43e4-4305-b998-b22e1ec99d03",
          "citation": "PCPC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "ae32d478-589a-41b4-a330-5f9a121e873e",
          "citation": "PERSONAL CARE PRODUCTS COUNCIL",
          "doc_type": "PERSONAL CARE PRODUCTS COUNCIL",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c4b66eef-fa9b-455f-a166-a953b6900a86",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b203fdd6-10c8-4a73-ba3e-21929012f7a2",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "aa8573ab-6b08-4c7b-a6a6-00b7f414f3ec",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391429000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8b3346b1-fae6-440a-a40c-ae28c6c2dfc8",
          "citation": "SRS import [W1N413MV5E]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=W1N413MV5E",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391429000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "95eb7239-29cd-4e81-ac35-220cffe24194",
          "citation": "BUTYROLACTONETHIOL [INCI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "2265394c-1a04-461c-a25a-ae373cefb012",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "c87d309e-9bfb-4823-b19b-e1c6ba491cf4",
          "id": "c87d309e-9bfb-4823-b19b-e1c6ba491cf4",
          "molfile": "\n  Marvin  01132110212D          \n\n  7  7  0  0  0  0            999 V2000\n   11.2571  -14.5196    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n   10.7529  -15.1737    0.0000 C   0  0  0  0  0  0  0  0  0  3  0  0\n    9.9279  -15.1737    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.6571  -15.9321    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.3071  -16.4362    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   10.9861  -15.9654    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.7653  -16.2403    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  3  2  1  0  0  0  0\n  2  6  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  7  6  2  0  0  0  0\nM  END",
          "smiles": "C1COC(=O)C1S",
          "formula": "C4H6O2S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "RACEMIC",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "c2da560c-1a5e-4744-a35f-1cd336db824a"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "118.1555",
          "optical_activity": "( + / - )",
          "stereo_centers": 1
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "c54e087e-f5f1-48cc-8c8f-b4dfa926488e",
      "version": "4",
      "structure": {
        "id": "8a2bfd93-aed8-4ed8-a580-002679caf496",
        "molfile": "\n  Marvin  01132107112D          \n\n  7  7  0  0  0  0            999 V2000\n    9.9279  -15.1737    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.6571  -15.9321    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.2571  -14.5196    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n   11.7653  -16.2403    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   10.7529  -15.1737    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.3071  -16.4362    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   10.9861  -15.9654    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  1  5  1  0  0  0  0\n  2  6  1  0  0  0  0\n  3  5  1  0  0  0  0\n  4  7  2  0  0  0  0\n  5  7  1  0  0  0  0\n  6  7  1  0  0  0  0\nM  END",
        "smiles": "C1COC(=O)C1S",
        "formula": "C4H6O2S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "RACEMIC",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "118.1555",
        "optical_activity": "( + / - )",
        "references": [
          "8b3346b1-fae6-440a-a40c-ae28c6c2dfc8",
          "c4b66eef-fa9b-455f-a166-a953b6900a86"
        ],
        "stereo_centers": 1
      },
      "unii": "W1N413MV5E"
    }
  ]
}