{
  "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": "6194971e-5728-4998-b470-d4313fe33054",
          "code": "2-PENTANETHIOL",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=449",
          "code_system": "JECFA EVALUATION",
          "references": [
            "ed5c4f12-0810-4187-9dd7-9dfae3251308"
          ]
        },
        {
          "uuid": "45b9bf7c-5104-4adb-9cf1-d90cd73820a0",
          "code": "2084-19-7",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=2084-19-7",
          "code_system": "CAS",
          "references": [
            "ed5c4f12-0810-4187-9dd7-9dfae3251308",
            "ca061e2a-cf1a-45e1-b6d9-f60c85b81902"
          ]
        },
        {
          "uuid": "8b7bbb7b-77be-4784-a43c-5f7629b5ac5b",
          "code": "218-224-4",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.016.568",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "ed5c4f12-0810-4187-9dd7-9dfae3251308"
          ]
        },
        {
          "uuid": "11347cc0-6e8d-407c-b266-8f49022cbc16",
          "code": "62424",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/62424",
          "code_system": "PUBCHEM",
          "references": [
            "ed5c4f12-0810-4187-9dd7-9dfae3251308"
          ]
        },
        {
          "uuid": "03341076-b494-4f1d-ac2e-b750232a5df0",
          "code": "529XY6M4QX",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "56c9ad5b-cfbb-0b3d-56c2-917cc9ce0114",
          "code": "DTXSID00862827",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID00862827",
          "code_system": "EPA CompTox"
        },
        {
          "uuid": "d6f075f9-5d46-2ece-7529-222f740f92a4",
          "code": "127",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/127/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "1c68d4fd-dc81-d680-9471-7f0720cbbd8b"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "e13eda71-40e7-4c55-88b0-fdcdcc7b353a",
          "name": "1-METHYLBUTANETHIOL",
          "stdName": "1-METHYLBUTANETHIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a8385dd-958d-46c1-b42f-ebd6f34c3e16",
            "195ba651-ffcc-4fe6-9b24-3954ef25757c"
          ],
          "display_name": false
        },
        {
          "uuid": "9990bd76-8fc1-4044-82c8-01a1171bec1a",
          "name": "2-MERCAPTOPENTANE",
          "stdName": "2-MERCAPTOPENTANE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a8385dd-958d-46c1-b42f-ebd6f34c3e16",
            "195ba651-ffcc-4fe6-9b24-3954ef25757c"
          ],
          "display_name": false
        },
        {
          "uuid": "6a26898a-63fb-4c06-ba6a-03d8bb8ddcba",
          "name": "2-PENTANETHIOL",
          "stdName": "2-PENTANETHIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a8385dd-958d-46c1-b42f-ebd6f34c3e16",
            "ae6c11e0-9c3d-45e7-9811-c6fb973edcda",
            "195ba651-ffcc-4fe6-9b24-3954ef25757c",
            "532336e2-57be-4563-ab86-5881dad15705"
          ],
          "display_name": true
        },
        {
          "uuid": "c87f1e4d-f830-48e1-a1f7-1e9dd1b8cdc4",
          "name": "2-PENTANETHIOL [FHFI]",
          "stdName": "2-PENTANETHIOL [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a8385dd-958d-46c1-b42f-ebd6f34c3e16",
            "532336e2-57be-4563-ab86-5881dad15705"
          ],
          "display_name": false
        },
        {
          "uuid": "54912d89-cbac-4fb9-bc65-de3ea2a9dafb",
          "name": "FEMA NO. 3792",
          "stdName": "FEMA NO. 3792",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a8385dd-958d-46c1-b42f-ebd6f34c3e16",
            "195ba651-ffcc-4fe6-9b24-3954ef25757c"
          ],
          "display_name": false
        },
        {
          "uuid": "9c89603b-5e74-4bae-a7f2-803862a2a000",
          "name": "PENTANE-2-THIOL",
          "stdName": "PENTANE-2-THIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a8385dd-958d-46c1-b42f-ebd6f34c3e16",
            "195ba651-ffcc-4fe6-9b24-3954ef25757c"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "195ba651-ffcc-4fe6-9b24-3954ef25757c",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "5a8385dd-958d-46c1-b42f-ebd6f34c3e16",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "532336e2-57be-4563-ab86-5881dad15705",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ed5c4f12-0810-4187-9dd7-9dfae3251308",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391385000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c7d2a52f-234f-4a68-b214-2a305ba199d4",
          "citation": "SRS import [529XY6M4QX]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=529XY6M4QX",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391385000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ae6c11e0-9c3d-45e7-9811-c6fb973edcda",
          "citation": "2-PENTANETHIOL [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "ca061e2a-cf1a-45e1-b6d9-f60c85b81902",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "1c68d4fd-dc81-d680-9471-7f0720cbbd8b",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "bd2a9b32-e18d-47f0-9c7b-1a500729edd4",
          "id": "bd2a9b32-e18d-47f0-9c7b-1a500729edd4",
          "molfile": "\n  Marvin  01132109472D          \n\n  6  5  0  0  0  0            999 V2000\n    9.3961   -4.2308    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6209   -4.5269    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9689   -4.0261    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2035   -4.3341    0.0000 C   0  0  0  0  0  0  0  0  0  3  0  0\n    7.0842   -5.1472    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5514   -3.8213    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\n  4  6  1  0  0  0  0\nM  END",
          "smiles": "CCCC(C)S",
          "formula": "C5H12S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "RACEMIC",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "1839426c-d122-4656-9a6d-3498cbcc1e1a"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "104.2151",
          "optical_activity": "( + / - )",
          "stereo_centers": 1
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "b436c501-64f8-4d1c-bfa5-1b3b2f898b5e",
      "version": "4",
      "structure": {
        "id": "21343607-e41c-4950-9339-7ad71fa2492a",
        "molfile": "\n  Marvin  01132101532D          \n\n  6  5  0  0  0  0            999 V2000\n    9.3961   -4.2308    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5514   -3.8213    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0842   -5.1472    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6209   -4.5269    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2035   -4.3341    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9689   -4.0261    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  4  1  1  0  0  0  0\n  5  2  1  0  0  0  0\n  5  3  1  0  0  0  0\n  6  4  1  0  0  0  0\n  6  5  1  0  0  0  0\nM  END",
        "smiles": "CCCC(C)S",
        "formula": "C5H12S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "RACEMIC",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "104.2151",
        "optical_activity": "( + / - )",
        "references": [
          "c7d2a52f-234f-4a68-b214-2a305ba199d4",
          "195ba651-ffcc-4fe6-9b24-3954ef25757c"
        ],
        "stereo_centers": 1
      },
      "unii": "529XY6M4QX"
    }
  ]
}