{
  "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": "f1af4092-d69d-4362-a332-117c6af04d81",
          "code": "110-02-1",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=110-02-1",
          "code_system": "CAS",
          "references": [
            "b0e50ba1-e721-4548-a320-399f33dbeea5",
            "f21c9add-74e4-4e00-a96a-39779ee5189d"
          ]
        },
        {
          "uuid": "5200351f-e00c-4e83-95f7-7c65659d0d14",
          "code": "THIOPHENE",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/Thiophene",
          "code_system": "WIKIPEDIA",
          "references": [
            "b0e50ba1-e721-4548-a320-399f33dbeea5"
          ]
        },
        {
          "uuid": "8040ff13-9d5b-45ed-8653-f9d2dd1d1f41",
          "code": "203-729-4",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.003.392",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "b0e50ba1-e721-4548-a320-399f33dbeea5"
          ]
        },
        {
          "uuid": "4eb5602c-1cfb-4bf5-b623-b540e720b0f9",
          "code": "154876",
          "comments": "RxNorm",
          "type": "PRIMARY",
          "url": "https://rxnav.nlm.nih.gov/REST/rxcui/154876/allProperties.xml?prop=all",
          "code_system": "RXCUI",
          "references": [
            "b0e50ba1-e721-4548-a320-399f33dbeea5"
          ]
        },
        {
          "uuid": "218131d9-309b-4fcf-8e4d-5ef042451ad5",
          "code": "m10776",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m10776?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "b0e50ba1-e721-4548-a320-399f33dbeea5"
          ]
        },
        {
          "uuid": "1daec5ca-29c7-406c-a7ee-adfa03677fcc",
          "code": "SUB15540MIG",
          "type": "PRIMARY",
          "code_system": "EVMPD",
          "references": [
            "b0e50ba1-e721-4548-a320-399f33dbeea5"
          ]
        },
        {
          "uuid": "1f605fd2-1fb9-432d-bfbd-b08935ae59b0",
          "code": "8030",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/8030",
          "code_system": "PUBCHEM",
          "references": [
            "b0e50ba1-e721-4548-a320-399f33dbeea5"
          ]
        },
        {
          "uuid": "90b6f4e4-77f9-a5e8-c87e-48d8664ed769",
          "code": "130",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/source/hsdb/130",
          "code_system": "HSDB",
          "references": [
            "427796b1-716a-c57a-33f6-6b667eb41582"
          ]
        },
        {
          "uuid": "a27418dc-4815-2a14-793e-0ca6fa7cc1e7",
          "code": "DTXSID8026145",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID8026145",
          "code_system": "EPA CompTox",
          "references": [
            "095b0a31-876e-337d-0112-03569cce231e"
          ]
        },
        {
          "uuid": "b18d0241-1976-481b-aaee-7cea8d427ab7",
          "code": "SMB37IQ40B",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "d8680117-388a-b3ec-fada-eee577d18102",
          "code": "30856",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:30856",
          "code_system": "CHEBI",
          "references": [
            "419a51c4-37a2-d4bf-a6e7-be6d5f1776cf"
          ]
        },
        {
          "uuid": "74d53860-3fe2-c64f-32b9-6f5823594045",
          "code": "100000077017",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "0bb27963-37b7-90d2-909f-37fd6ebb1afd"
          ]
        },
        {
          "uuid": "8516ce82-4a6e-3a94-01a6-96a6b4197204",
          "code": "405073",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=405073",
          "code_system": "NSC",
          "references": [
            "7845a3fd-ccb8-39d3-532f-fe55d4b8812e"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "10883c67-9ca6-4835-b651-3a04ad2ecfcc",
          "name": "NSC-405073",
          "stdName": "NSC-405073",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "46c1cb3e-d82e-4e1e-9634-9200a0b0263b",
            "324b5a0b-1870-4374-a2c1-ee20b746de3d"
          ],
          "display_name": false
        },
        {
          "uuid": "6f00c3a1-ada2-412c-9fd5-f36b6e63a3f7",
          "name": "THIACYCLOPENTADIENE",
          "stdName": "THIACYCLOPENTADIENE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "46c1cb3e-d82e-4e1e-9634-9200a0b0263b",
            "324b5a0b-1870-4374-a2c1-ee20b746de3d"
          ],
          "display_name": false
        },
        {
          "uuid": "3fa7c7aa-e5a7-4d8b-9d33-4f38c2b3eff8",
          "name": "THIOFURAN",
          "stdName": "THIOFURAN",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7e6724a0-7a4d-4dc2-b495-2ad3f3b4a8ab",
            "324b5a0b-1870-4374-a2c1-ee20b746de3d"
          ],
          "display_name": false
        },
        {
          "uuid": "3b616776-9cd3-4864-a0b2-e87c1276fd21",
          "name": "THIOFURFURAN",
          "stdName": "THIOFURFURAN",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7e6724a0-7a4d-4dc2-b495-2ad3f3b4a8ab",
            "324b5a0b-1870-4374-a2c1-ee20b746de3d"
          ],
          "display_name": false
        },
        {
          "uuid": "98dbb610-13f1-4414-a80f-a7e85bbc65ed",
          "name": "THIOPHENE",
          "stdName": "THIOPHENE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7e6724a0-7a4d-4dc2-b495-2ad3f3b4a8ab",
            "eaee8b06-5502-46d6-96ff-10a0bf751995",
            "6100f123-795c-4544-89ed-964ef667662f",
            "780971c2-6a84-4618-a963-d292c363e000",
            "9d15ef9a-5fb9-4f64-8d3e-9469ed6aebf2",
            "4e90b786-af67-46b0-8bf0-776419b5a6de",
            "324b5a0b-1870-4374-a2c1-ee20b746de3d",
            "c44d7f6c-ecf7-4e26-92e7-1c9e067c4c80"
          ],
          "display_name": true
        },
        {
          "uuid": "fa90a288-2b7b-4b80-b73c-b5fdd7e9af66",
          "name": "THIOPHENE [HSDB]",
          "stdName": "THIOPHENE [HSDB]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c44d7f6c-ecf7-4e26-92e7-1c9e067c4c80",
            "324b5a0b-1870-4374-a2c1-ee20b746de3d"
          ],
          "display_name": false
        },
        {
          "uuid": "7b99ffee-1faf-4d8d-b81c-2b2cc5679964",
          "name": "THIOPHENE [MI]",
          "stdName": "THIOPHENE [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9d15ef9a-5fb9-4f64-8d3e-9469ed6aebf2",
            "324b5a0b-1870-4374-a2c1-ee20b746de3d"
          ],
          "display_name": false
        },
        {
          "uuid": "d9f6cd49-3a0d-3e9a-1854-63d6e218207a",
          "name": "Thiophene [WHO-DD]",
          "stdName": "THIOPHENE [WHO-DD]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ee3472d5-4076-5861-d1f9-e387bba83340"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "7e6724a0-7a4d-4dc2-b495-2ad3f3b4a8ab",
          "citation": "MERCK",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "324b5a0b-1870-4374-a2c1-ee20b746de3d",
          "citation": "MERCK INDEX",
          "doc_type": "MERCK INDEX",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "46c1cb3e-d82e-4e1e-9634-9200a0b0263b",
          "citation": "ChemID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "9d15ef9a-5fb9-4f64-8d3e-9469ed6aebf2",
          "citation": "MERCK INDEX",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c44d7f6c-ecf7-4e26-92e7-1c9e067c4c80",
          "citation": "HSDB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "780971c2-6a84-4618-a963-d292c363e000",
          "citation": "WHO-DD",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b0e50ba1-e721-4548-a320-399f33dbeea5",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390911000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "1d5d1488-fe81-4fe0-9077-242fa5ae22c5",
          "citation": "SRS import [SMB37IQ40B]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=SMB37IQ40B",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390911000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "eaee8b06-5502-46d6-96ff-10a0bf751995",
          "citation": "THIOPHENE [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "6100f123-795c-4544-89ed-964ef667662f",
          "citation": "THIOPHENE [HSDB]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "4e90b786-af67-46b0-8bf0-776419b5a6de",
          "citation": "THIOPHENE [WHO-DD]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "427796b1-716a-c57a-33f6-6b667eb41582",
          "citation": "WEBSITE",
          "url": "https://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+110-02-1",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "095b0a31-876e-337d-0112-03569cce231e",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=110-02-1",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "f21c9add-74e4-4e00-a96a-39779ee5189d",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "419a51c4-37a2-d4bf-a6e7-be6d5f1776cf",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "7845a3fd-ccb8-39d3-532f-fe55d4b8812e",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "ee3472d5-4076-5861-d1f9-e387bba83340",
          "citation": "WHO-DD",
          "doc_type": "WHO DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "0bb27963-37b7-90d2-909f-37fd6ebb1afd",
          "citation": "EU-SRS",
          "doc_type": "EMA LIST",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "60079f2c-0d8f-4ac3-af19-a1fcf7892af3",
          "id": "60079f2c-0d8f-4ac3-af19-a1fcf7892af3",
          "molfile": "\n  Marvin  01132104582D          \n\n  5  5  0  0  0  0            999 V2000\n    0.9271   -2.2140    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.1018   -2.2140    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.1484   -1.4278    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.5147   -0.9486    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    1.1773   -1.4278    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  2  0  0  0  0\n  3  2  2  0  0  0  0\n  4  3  1  0  0  0  0\n  5  4  1  0  0  0  0\nM  END",
          "smiles": "c1ccsc1",
          "formula": "C4H4S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "e9390f55-ab88-4801-a41d-f97ba23f934d"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "84.1408",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "011468fa-4dc4-42db-a930-897737c1e386",
      "version": "14",
      "structure": {
        "id": "e8492c0a-de67-4d66-bb4c-5973ab3f3941",
        "molfile": "\n  Marvin  01132112012D          \n\n  5  5  0  0  0  0            999 V2000\n   -0.1484   -1.4279    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.5147   -0.9487    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    1.1774   -1.4279    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.9272   -2.2141    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.1018   -2.2141    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  2  0  0  0  0\n  5  4  1  0  0  0  0\n  1  5  2  0  0  0  0\nM  END",
        "smiles": "c1ccsc1",
        "formula": "C4H4S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "84.1408",
        "optical_activity": "NONE",
        "references": [
          "7e6724a0-7a4d-4dc2-b495-2ad3f3b4a8ab",
          "1d5d1488-fe81-4fe0-9077-242fa5ae22c5"
        ],
        "stereo_centers": 0
      },
      "unii": "SMB37IQ40B"
    }
  ]
}