{
  "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": "e27869e7-a0be-4752-b0eb-3e01d0b7d6ee",
          "code": "2664-63-3",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=2664-63-3",
          "code_system": "CAS",
          "references": [
            "fb27b8a3-7e57-44e8-990d-9e64308cdf97",
            "c620ebeb-af7a-4f84-9dd5-dd3fdf5194fd"
          ]
        },
        {
          "uuid": "5da35bcb-4724-438f-9a7a-097cbf80d166",
          "code": "220-197-9",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.018.362",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "fb27b8a3-7e57-44e8-990d-9e64308cdf97"
          ]
        },
        {
          "uuid": "e373b08a-49cc-44f8-98b3-59efbf87ae99",
          "code": "17570",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/17570",
          "code_system": "PUBCHEM",
          "references": [
            "fb27b8a3-7e57-44e8-990d-9e64308cdf97"
          ]
        },
        {
          "uuid": "fee3acd7-cb70-9c83-e07b-9f38e25cf701",
          "code": "DTXSID9047960",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID9047960",
          "code_system": "EPA CompTox",
          "references": [
            "4d0b2c2c-aa4a-f604-8d65-2cd55fc933d2"
          ]
        },
        {
          "uuid": "9e745758-dcd5-ae0d-2371-0e38fa2ff3cf",
          "code": "38957",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:38957",
          "code_system": "CHEBI",
          "references": [
            "4f50899c-6024-5f75-8d52-34d52f67b51d"
          ]
        },
        {
          "uuid": "7378d540-6514-4d29-95bc-e0e6922119aa",
          "code": "NGN288M6MM",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "90bb475c-8b15-92ea-25d1-cd6933f26503",
          "code": "203030",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=203030",
          "code_system": "NSC",
          "references": [
            "ea1a1df2-4fd0-2c68-d5c1-073a4922df11"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "d2059223-d6b3-465e-a646-6c86dae54e48",
          "name": "4,4'-DIHYDROXYDIPHENYL SULFIDE",
          "stdName": "4,4'-DIHYDROXYDIPHENYL SULFIDE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b36642b4-624d-40b2-a280-3262c9a099ec",
            "f0dee5cb-b38f-4d12-9b05-2483592d198e"
          ],
          "display_name": false
        },
        {
          "uuid": "53982c0b-9b23-466c-a4d0-7f073d2aa864",
          "name": "4,4'-THIOBISPHENOL",
          "stdName": "4,4'-THIOBISPHENOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b36642b4-624d-40b2-a280-3262c9a099ec",
            "f0dee5cb-b38f-4d12-9b05-2483592d198e"
          ],
          "display_name": false
        },
        {
          "uuid": "a9a1d08a-f9c5-4f7c-800f-93e5e3341206",
          "name": "4,4'-THIODIPHENOL",
          "stdName": "4,4'-THIODIPHENOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "63019c28-5541-47f7-86b6-42262e9b77d8"
          ],
          "display_name": true
        },
        {
          "uuid": "6116b8a0-5502-402b-ad92-8d6c7910fc77",
          "name": "4-(4-HYDROXYPHENYLTHIO)PHENOL",
          "stdName": "4-(4-HYDROXYPHENYLTHIO)PHENOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b36642b4-624d-40b2-a280-3262c9a099ec",
            "f0dee5cb-b38f-4d12-9b05-2483592d198e"
          ],
          "display_name": false
        },
        {
          "uuid": "8783fe03-e555-428f-a6d8-2ab058e0f2b9",
          "name": "BIS(4-HYDROXYPHENYL) SULFIDE",
          "stdName": "BIS(4-HYDROXYPHENYL) SULFIDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b36642b4-624d-40b2-a280-3262c9a099ec",
            "f0dee5cb-b38f-4d12-9b05-2483592d198e"
          ],
          "display_name": false
        },
        {
          "uuid": "4efbff7d-7b2c-4c92-94e8-714b098d1f2a",
          "name": "NSC-203030",
          "stdName": "NSC-203030",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b36642b4-624d-40b2-a280-3262c9a099ec",
            "63019c28-5541-47f7-86b6-42262e9b77d8"
          ],
          "display_name": false
        },
        {
          "uuid": "32dedeac-c8f8-41c1-bd21-1a78f800eb39",
          "name": "P,P'-DIHYDROXYDIPHENYL SULFIDE",
          "stdName": "P,P'-DIHYDROXYDIPHENYL SULFIDE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b36642b4-624d-40b2-a280-3262c9a099ec",
            "f0dee5cb-b38f-4d12-9b05-2483592d198e"
          ],
          "display_name": false
        },
        {
          "uuid": "068de377-7d8c-4c9c-9095-27fcd1a39a45",
          "name": "PHENOL, 4,4'-THIOBIS-",
          "stdName": "PHENOL, 4,4'-THIOBIS-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b36642b4-624d-40b2-a280-3262c9a099ec",
            "f0dee5cb-b38f-4d12-9b05-2483592d198e"
          ],
          "display_name": false
        },
        {
          "uuid": "3d8be2fe-e399-41d3-a06c-543e79d5e2e0",
          "name": "PHENOL, 4,4'-THIODI-",
          "stdName": "PHENOL, 4,4'-THIODI-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b36642b4-624d-40b2-a280-3262c9a099ec",
            "f0dee5cb-b38f-4d12-9b05-2483592d198e"
          ],
          "display_name": false
        },
        {
          "uuid": "160c07c5-611b-4430-ad39-22a62b8cf149",
          "name": "PHENOL, P,P'-THIOBIS-",
          "stdName": "PHENOL, P,P'-THIOBIS-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b36642b4-624d-40b2-a280-3262c9a099ec",
            "f0dee5cb-b38f-4d12-9b05-2483592d198e"
          ],
          "display_name": false
        },
        {
          "uuid": "dadccbfc-e2fd-444f-95e2-f52b3a7f46c9",
          "name": "PHENOL, P,P'-THIODI-",
          "stdName": "PHENOL, P,P'-THIODI-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b36642b4-624d-40b2-a280-3262c9a099ec",
            "f0dee5cb-b38f-4d12-9b05-2483592d198e"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "63019c28-5541-47f7-86b6-42262e9b77d8",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "f0dee5cb-b38f-4d12-9b05-2483592d198e",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b36642b4-624d-40b2-a280-3262c9a099ec",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "fb27b8a3-7e57-44e8-990d-9e64308cdf97",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391501000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "9b5dc6eb-e260-4670-8b00-da7462cd7491",
          "citation": "SRS import [NGN288M6MM]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=NGN288M6MM",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391501000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e6e17eda-fcd8-4457-a6a6-4048a31731d7",
          "citation": "CHEMID  2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "4d0b2c2c-aa4a-f604-8d65-2cd55fc933d2",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=2664-63-3",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "4f50899c-6024-5f75-8d52-34d52f67b51d",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "c620ebeb-af7a-4f84-9dd5-dd3fdf5194fd",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "ea1a1df2-4fd0-2c68-d5c1-073a4922df11",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "9686e2ee-e915-46d7-8a52-5bae35c1563b",
          "id": "9686e2ee-e915-46d7-8a52-5bae35c1563b",
          "molfile": "\n  Marvin  01132107492D          \n\n 15 16  0  0  0  0            999 V2000\n    9.8579   -5.8486    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1137   -5.4360    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4101   -5.8486    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6624   -5.4732    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6624   -4.6127    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9679   -4.1932    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2540   -4.6465    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5504   -4.2303    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8029   -4.6465    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8029   -5.4732    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.0992   -5.8858    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5504   -5.8486    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2540   -5.4360    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4101   -4.1932    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1137   -4.6127    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 15  2  2  0  0  0  0\n  4  3  2  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  1  0  0  0  0\n  5 14  2  0  0  0  0\n  7  6  1  0  0  0  0\n  7  8  1  0  0  0  0\n  7 13  2  0  0  0  0\n  8  9  2  0  0  0  0\n  9 10  1  0  0  0  0\n 10 11  1  0  0  0  0\n 12 10  2  0  0  0  0\n 13 12  1  0  0  0  0\n 14 15  1  0  0  0  0\nM  END",
          "smiles": "c1cc(ccc1O)Sc2ccc(cc2)O",
          "formula": "C12H10O2S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "916f6457-91cf-449d-96ee-5d7e0652f12a"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "218.2731",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "a635330b-bf21-4813-9e09-1c6310077c5d",
      "version": "5",
      "structure": {
        "id": "051b378a-1dc8-4ae1-8747-4fa6d157e45b",
        "molfile": "\n  Marvin  01132100342D          \n\n 15 16  0  0  0  0            999 V2000\n    6.2540   -4.6465    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9679   -4.1932    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6624   -4.6127    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6624   -5.4732    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4101   -5.8486    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1137   -5.4360    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.8579   -5.8486    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1137   -4.6127    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4101   -4.1932    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5504   -4.2303    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8029   -4.6465    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8029   -5.4732    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.0992   -5.8858    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5504   -5.8486    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2540   -5.4360    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  4  5  2  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  8  6  2  0  0  0  0\n  9  8  1  0  0  0  0\n  3  9  2  0  0  0  0\n  1 10  1  0  0  0  0\n 10 11  2  0  0  0  0\n 11 12  1  0  0  0  0\n 12 13  1  0  0  0  0\n 14 12  2  0  0  0  0\n 15 14  1  0  0  0  0\n  1 15  2  0  0  0  0\nM  END",
        "smiles": "c1cc(ccc1O)Sc2ccc(cc2)O",
        "formula": "C12H10O2S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "218.2731",
        "optical_activity": "NONE",
        "references": [
          "9b5dc6eb-e260-4670-8b00-da7462cd7491",
          "e6e17eda-fcd8-4457-a6a6-4048a31731d7"
        ],
        "stereo_centers": 0
      },
      "unii": "NGN288M6MM"
    }
  ]
}