{
  "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": "7ef18afe-203b-4b46-bbc1-58c4928afa51",
          "code": "3581-87-1",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=3581-87-1",
          "code_system": "CAS",
          "references": [
            "148550a4-81bc-41a6-941a-acd1f035564d",
            "3bee6495-a62d-4863-9f2d-58781ff59a65"
          ]
        },
        {
          "uuid": "306fcd51-a337-4d20-adbb-1f5f57c81655",
          "code": "222-702-8",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.020.639",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "148550a4-81bc-41a6-941a-acd1f035564d"
          ]
        },
        {
          "uuid": "8830eaed-9685-41c6-a3fd-07791eaf2522",
          "code": "77129",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/77129",
          "code_system": "PUBCHEM",
          "references": [
            "148550a4-81bc-41a6-941a-acd1f035564d"
          ]
        },
        {
          "uuid": "83e04cd1-954d-ed63-e7ab-a91fc5aebdee",
          "code": "DTXSID20189346",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID20189346",
          "code_system": "EPA CompTox",
          "references": [
            "2e41713d-a5f8-9607-0378-8f2618db5c0d"
          ]
        },
        {
          "uuid": "634f8fe3-daf9-483f-936a-1bbe8838e24d",
          "code": "7G081N1ERP",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "b19eb1ba-520d-4b70-aa0d-73820696ca3d",
          "name": "2-METHYL-1,3-THIAZOLE",
          "stdName": "2-METHYL-1,3-THIAZOLE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6f1e51d2-301d-4876-b205-c8559f5b82c0",
            "c439ff2a-3ead-4c9c-a23e-bb37a9e7a2dc"
          ],
          "display_name": false
        },
        {
          "uuid": "b5070592-aae7-4b4c-b1ac-21ce321ccc45",
          "name": "2-METHYLTHIAZOLE",
          "stdName": "2-METHYLTHIAZOLE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c439ff2a-3ead-4c9c-a23e-bb37a9e7a2dc"
          ],
          "display_name": true
        },
        {
          "uuid": "a5f85743-4c51-4ae1-890d-1145a66f829f",
          "name": "THIAZOLE, 2-METHYL-",
          "stdName": "THIAZOLE, 2-METHYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6f1e51d2-301d-4876-b205-c8559f5b82c0",
            "c439ff2a-3ead-4c9c-a23e-bb37a9e7a2dc"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "c439ff2a-3ead-4c9c-a23e-bb37a9e7a2dc",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "6f1e51d2-301d-4876-b205-c8559f5b82c0",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "148550a4-81bc-41a6-941a-acd1f035564d",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391413000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "60db52c9-f6ad-4000-8400-8d2218fa2de9",
          "citation": "SRS import [7G081N1ERP]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=7G081N1ERP",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391413000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "4f6e9e55-5de3-4410-b3a6-89873afc3863",
          "citation": "CHEMID  2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2e41713d-a5f8-9607-0378-8f2618db5c0d",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=3581-87-1",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "3bee6495-a62d-4863-9f2d-58781ff59a65",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "05ef935f-0024-4479-9216-131d86dcb78d",
          "id": "05ef935f-0024-4479-9216-131d86dcb78d",
          "molfile": "\n  Marvin  01132100362D          \n\n  6  6  0  0  0  0            999 V2000\n    6.7828   -4.0603    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7828   -4.8853    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.1156   -5.3922    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3900   -6.1723    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2150   -6.1723    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4713   -5.3741    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  2  3  2  0  0  0  0\n  6  2  1  0  0  0  0\n  4  3  1  0  0  0  0\n  5  4  2  0  0  0  0\n  6  5  1  0  0  0  0\nM  END",
          "smiles": "Cc1nccs1",
          "formula": "C4H5NS",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "29d75bfc-0aee-4952-907e-44f3e922cae8"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "99.1554",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "991d0028-7c45-41ab-bb6c-415b714247e5",
      "version": "3",
      "structure": {
        "id": "dcc53bd6-8871-47bf-abcb-9fab715ac913",
        "molfile": "\n  Marvin  01132111272D          \n\n  6  6  0  0  0  0            999 V2000\n    6.1156   -5.3922    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7828   -4.8853    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4713   -5.3741    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2150   -6.1723    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3900   -6.1723    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7828   -4.0603    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  2  0  0  0  0\n  3  2  1  0  0  0  0\n  3  4  1  0  0  0  0\n  4  5  2  0  0  0  0\n  5  1  1  0  0  0  0\n  6  2  1  0  0  0  0\nM  END",
        "smiles": "Cc1nccs1",
        "formula": "C4H5NS",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "99.1554",
        "optical_activity": "NONE",
        "references": [
          "60db52c9-f6ad-4000-8400-8d2218fa2de9",
          "4f6e9e55-5de3-4410-b3a6-89873afc3863"
        ],
        "stereo_centers": 0
      },
      "unii": "7G081N1ERP"
    }
  ]
}