{
  "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": "ffe41246-8260-4845-b0db-17fe9dbe3f25",
          "code": "O-TOLUENETHIOL",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=2974",
          "code_system": "JECFA EVALUATION",
          "references": [
            "02682f6c-9687-493c-bed3-59c20f0590cb"
          ]
        },
        {
          "uuid": "38e57bc3-6dc7-4f4a-9682-9553880855a1",
          "code": "137-06-4",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=137-06-4",
          "code_system": "CAS",
          "references": [
            "02682f6c-9687-493c-bed3-59c20f0590cb",
            "6d6740d2-07a5-4089-bc7c-d89bb3b826e2"
          ]
        },
        {
          "uuid": "198ac4ee-fe04-4356-b3f1-e73f0fb3febf",
          "code": "205-276-8",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.004.797",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "02682f6c-9687-493c-bed3-59c20f0590cb"
          ]
        },
        {
          "uuid": "090e3cf6-d315-43bc-81e3-653058ce97f4",
          "code": "m10748",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m10748?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "02682f6c-9687-493c-bed3-59c20f0590cb"
          ]
        },
        {
          "uuid": "5bb6af40-0761-44ac-9395-307a541f1324",
          "code": "8712",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/8712",
          "code_system": "PUBCHEM",
          "references": [
            "02682f6c-9687-493c-bed3-59c20f0590cb"
          ]
        },
        {
          "uuid": "21d934f5-0f23-dd0d-65d0-8551fe168655",
          "code": "2022",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/source/hsdb/2022",
          "code_system": "HSDB",
          "references": [
            "fd0641bc-7011-a53c-054b-8a87c8ab3fdc"
          ]
        },
        {
          "uuid": "23039dc0-4ebb-dc0f-5004-90d53f37f54b",
          "code": "DTXSID8047135",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID8047135",
          "code_system": "EPA CompTox",
          "references": [
            "166abba5-46ce-a71f-c1bb-157bb6de6846"
          ]
        },
        {
          "uuid": "55618d7c-3fd1-4402-ae9d-da0bb7899629",
          "code": "6FU2EGI4VS",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "fc80f7c9-3760-989c-93aa-12a10b82004a",
          "code": "80655",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=80655",
          "code_system": "NSC",
          "references": [
            "88727455-ade4-6bd9-bafc-60746d9c423e"
          ]
        },
        {
          "uuid": "5d28d194-7a91-e9dd-f198-cc54ade113ac",
          "code": "134",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/134/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "b6cb01bf-035f-77e8-47e7-d8e5de289518"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "b28a9e91-070c-4efe-843d-5fb46cbe970b",
          "name": "2-METHYLBENZENETHIOL",
          "stdName": "2-METHYLBENZENETHIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "b52d5c62-70cd-431d-96f6-424ab0cec20e",
          "name": "2-METHYLPHENYLTHIOL",
          "stdName": "2-METHYLPHENYLTHIOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "21d65c78-4232-4edc-8e10-de28e2ee1d18",
          "name": "2-METHYLTHIOPHENOL [FHFI]",
          "stdName": "2-METHYLTHIOPHENOL [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "11fe737e-26e3-44e6-9f42-cf79641433c8"
          ],
          "display_name": false
        },
        {
          "uuid": "39cefee0-79be-4eba-bc34-a712d21d7188",
          "name": "2-THIOCRESOL",
          "stdName": "2-THIOCRESOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "79dee6f7-0897-4206-aef5-4460c7046cc5",
            "6dc046af-f111-4d25-9cfc-5248337b45b6",
            "ea30e157-c1ad-4ff8-8f5f-7b1d336d2c06"
          ],
          "display_name": false
        },
        {
          "uuid": "dd74ec9c-dfef-479d-8792-d80fcae218cb",
          "name": "2-THIOCRESOL [HSDB]",
          "stdName": "2-THIOCRESOL [HSDB]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "79dee6f7-0897-4206-aef5-4460c7046cc5"
          ],
          "display_name": false
        },
        {
          "uuid": "32b92640-7ae2-49a0-9d50-324e79c56ef8",
          "name": "2-TOLUENETHIOL",
          "stdName": "2-TOLUENETHIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "1296b21c-6b36-42ce-aa00-61b26aebc29b",
          "name": "BENZENETHIOL, 2-METHYL-",
          "stdName": "BENZENETHIOL, 2-METHYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "8a161437-be58-43e3-84b1-e7f135ff5de7",
          "name": "FEMA NO. 3240",
          "stdName": "FEMA NO. 3240",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "15084781-70f3-447a-9e42-3b3ff6187a2e",
            "bebae374-a348-415f-94e2-227e93ca6670"
          ],
          "display_name": false
        },
        {
          "uuid": "994609e1-58f3-4838-851a-a23766c98117",
          "name": "NSC-80655",
          "stdName": "NSC-80655",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "dac4dd8c-e9c2-4c5c-9b70-37b0f21c279c",
          "name": "O-MERCAPTOTOLUENE",
          "stdName": "O-MERCAPTOTOLUENE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "0f3fb593-0257-438a-8d0f-3949eafae2e0",
          "name": "O-METHYLBENZENETHIOL",
          "stdName": "O-METHYLBENZENETHIOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "806215d2-a41d-4883-9f38-d78d3cabc937",
          "name": "O-METHYLTHIOPHENOL",
          "stdName": "O-METHYLTHIOPHENOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "c093b870-194e-4df9-8173-1b0845743539",
          "name": "O-THIOCRESOL",
          "stdName": "O-THIOCRESOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9be7aaf3-15cc-4274-b098-f1645fa85a03",
            "c7e9811e-6356-46f5-a69d-fdac8d659839",
            "20387018-64a0-4e28-9193-ac4d2e7683cb"
          ],
          "display_name": false
        },
        {
          "uuid": "f5f2fd7c-424d-427c-b164-71b26fd981f2",
          "name": "O-THIOCRESOL [MI]",
          "stdName": "O-THIOCRESOL [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c7e9811e-6356-46f5-a69d-fdac8d659839"
          ],
          "display_name": false
        },
        {
          "uuid": "ab1219da-e84e-4ece-8615-eb3230616a0f",
          "name": "O-TOLUENETHIOL",
          "stdName": "O-TOLUENETHIOL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": true
        },
        {
          "uuid": "6ec24726-37c0-45bf-abf3-92d027392d7e",
          "name": "O-TOLYL MERCAPTAN",
          "stdName": "O-TOLYL MERCAPTAN",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "5885d8dd-46e7-4ae4-8f43-5bb4e03402f5",
          "name": "TOLUENE, 2-MERCAPTO-",
          "stdName": "TOLUENE, 2-MERCAPTO-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "839a4802-13bc-479a-b85f-2e6a279e6b86",
          "name": "TOLUENE-2-THIOL",
          "stdName": "TOLUENE-2-THIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "a23e9bd0-d80d-4a79-8455-3f1961a15d7d",
          "name": "TOLYLMERCAPTAN, O-",
          "stdName": "TOLYLMERCAPTAN, O-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        },
        {
          "uuid": "a7c9d836-400c-4fe1-899f-12692041f9ad",
          "name": "TOLYLTHIOL, O-",
          "stdName": "TOLYLTHIOL, O-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6dc046af-f111-4d25-9cfc-5248337b45b6"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "15084781-70f3-447a-9e42-3b3ff6187a2e",
          "citation": "CHEMID FEMA BATCH 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "bebae374-a348-415f-94e2-227e93ca6670",
          "citation": "CHEMID BATCH 2010",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "9be7aaf3-15cc-4274-b098-f1645fa85a03",
          "citation": "GRAS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "6dc046af-f111-4d25-9cfc-5248337b45b6",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "11fe737e-26e3-44e6-9f42-cf79641433c8",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "79dee6f7-0897-4206-aef5-4460c7046cc5",
          "citation": "HSDB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c7e9811e-6356-46f5-a69d-fdac8d659839",
          "citation": "MERCK",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "02682f6c-9687-493c-bed3-59c20f0590cb",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390976000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2df31d0f-680a-4d49-8e3d-c6bfaedf5332",
          "citation": "SRS import [6FU2EGI4VS]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=6FU2EGI4VS",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390976000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2b15426a-5d9e-4ee1-9a73-3d040646dabb",
          "citation": "CHEMID 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ea30e157-c1ad-4ff8-8f5f-7b1d336d2c06",
          "citation": "2-THIOCRESOL [HSDB]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "20387018-64a0-4e28-9193-ac4d2e7683cb",
          "citation": "O-THIOCRESOL [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "fd0641bc-7011-a53c-054b-8a87c8ab3fdc",
          "citation": "WEBSITE",
          "url": "https://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+137-06-4",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "166abba5-46ce-a71f-c1bb-157bb6de6846",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=137-06-4",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "6d6740d2-07a5-4089-bc7c-d89bb3b826e2",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "88727455-ade4-6bd9-bafc-60746d9c423e",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "b6cb01bf-035f-77e8-47e7-d8e5de289518",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "264e39f4-1681-4623-aec5-e775cdc5b1ab",
          "id": "264e39f4-1681-4623-aec5-e775cdc5b1ab",
          "molfile": "\n  Marvin  01132102072D          \n\n  8  8  0  0  0  0            999 V2000\n    6.0242   -5.5730    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7449   -5.1544    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4531   -5.5730    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1789   -5.1544    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1789   -4.3386    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4531   -3.9154    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7449   -4.3386    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.0242   -3.9154    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  2  3  1  0  0  0  0\n  2  7  2  0  0  0  0\n  3  4  2  0  0  0  0\n  4  5  1  0  0  0  0\n  6  5  2  0  0  0  0\n  7  6  1  0  0  0  0\n  7  8  1  0  0  0  0\nM  END",
          "smiles": "Cc1ccccc1S",
          "formula": "C7H8S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "50cb1926-eea6-46a9-bd14-5ab5a312f2a9"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "124.2048",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "3adb5722-de4f-4186-a3dd-fd826e587a96",
      "version": "6",
      "structure": {
        "id": "ff54edea-0d8b-4f66-bf1d-6b4253c53aaf",
        "molfile": "\n  Marvin  01132113132D          \n\n  8  8  0  0  0  0            999 V2000\n    6.7449   -5.1544    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7449   -4.3386    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4531   -3.9154    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1789   -4.3386    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1789   -5.1544    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4531   -5.5730    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.0242   -3.9154    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    6.0242   -5.5730    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  2  0  0  0  0\n  2  3  1  0  0  0  0\n  3  4  2  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  2  0  0  0  0\n  1  6  1  0  0  0  0\n  2  7  1  0  0  0  0\n  1  8  1  0  0  0  0\nM  END",
        "smiles": "Cc1ccccc1S",
        "formula": "C7H8S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "124.2048",
        "optical_activity": "NONE",
        "references": [
          "2df31d0f-680a-4d49-8e3d-c6bfaedf5332",
          "2b15426a-5d9e-4ee1-9a73-3d040646dabb"
        ],
        "stereo_centers": 0
      },
      "unii": "6FU2EGI4VS"
    }
  ]
}