{
  "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": "ef086a2f-c722-423e-a2b5-4bffd04b01e6",
          "code": "638-17-5",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=638-17-5",
          "code_system": "CAS",
          "references": [
            "c938a666-e4e8-447f-aab9-11c83c2a71b2",
            "a0448cf6-6f18-412e-8355-a833e2234d3e"
          ]
        },
        {
          "uuid": "9d5a6ac0-d8a3-4ca7-99ed-59627bcca385",
          "code": "86241-90-9",
          "type": "NON-SPECIFIC STEREOCHEMISTRY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=86241-90-9",
          "code_system": "CAS",
          "references": [
            "c938a666-e4e8-447f-aab9-11c83c2a71b2",
            "39854fc5-fd47-4669-9430-92ac8c2365ef"
          ]
        },
        {
          "uuid": "db21d2cc-186f-46af-bd08-31f1336caf08",
          "code": "211-323-3",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.010.295",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "c938a666-e4e8-447f-aab9-11c83c2a71b2"
          ]
        },
        {
          "uuid": "e98f8139-eb37-405b-9a90-c617ddbc60a9",
          "code": "ZKG651IE9G",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "d6a047f2-e710-2f30-07dd-283372e0c42b",
          "code": "DTXSID001009930",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID001009930",
          "code_system": "EPA CompTox"
        },
        {
          "uuid": "b785efde-57cc-6a51-7866-7836726c67e8",
          "code": "418",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=418",
          "code_system": "NSC",
          "references": [
            "e15884f8-e9fd-0473-234e-956ae32d5506"
          ]
        },
        {
          "uuid": "ad0df2b2-19ff-6575-05b8-521001b5165e",
          "code": "982",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/982/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "e82a7fb4-be39-86a5-7c0b-bba0956e7af0"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "6a93119d-eb6e-4fef-9938-8364802f2989",
          "name": "(4R,6S)-2,4,6-TRIMETHYL-1,3,5-DITHIAZINANE",
          "stdName": "(4R,6S)-2,4,6-TRIMETHYL-1,3,5-DITHIAZINANE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee",
            "60a8f709-8bdb-4fd0-8fa0-8e6c1de55675"
          ],
          "display_name": false
        },
        {
          "uuid": "547a3943-c1a0-489e-8426-f55f78c3a113",
          "name": "(±)-THIALDINE",
          "stdName": "(+/-)-THIALDINE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "30d0b0c7-2805-4436-90c3-d8eb5fbb1ea3",
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee"
          ],
          "display_name": false
        },
        {
          "uuid": "8b9e72cf-3462-4c3d-adb7-1a935d307f7b",
          "name": "2,4,6-TRIMETHYL-1,3,5-DITHIAZINANE",
          "stdName": "2,4,6-TRIMETHYL-1,3,5-DITHIAZINANE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee",
            "d37bd8bc-57b0-4ddd-a82a-34fbdbdc51fb"
          ],
          "display_name": false
        },
        {
          "uuid": "484610d6-bb05-4a75-9e3b-c2a27706f4ff",
          "name": "2,4,6-TRIMETHYLDIHYDRO-1,3,5-DITHIAZINE",
          "stdName": "2,4,6-TRIMETHYLDIHYDRO-1,3,5-DITHIAZINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee",
            "d37bd8bc-57b0-4ddd-a82a-34fbdbdc51fb"
          ],
          "display_name": false
        },
        {
          "uuid": "09760370-b19e-46ae-a318-bfbfec022cc5",
          "name": "2,4,6-TRIMETHYLDIHYDRO-4H-1,3,5-DITHIAZINE [FHFI]",
          "stdName": "2,4,6-TRIMETHYLDIHYDRO-4H-1,3,5-DITHIAZINE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee",
            "344b1fb9-5fab-434f-8302-da95d841688a"
          ],
          "display_name": false
        },
        {
          "uuid": "2dde47a5-3597-4bda-84b8-8b4fb8f54f1e",
          "name": "2,4,6-TRIMETHYLPERHYDRO-1,3-DITHIAZINE",
          "stdName": "2,4,6-TRIMETHYLPERHYDRO-1,3-DITHIAZINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee",
            "d37bd8bc-57b0-4ddd-a82a-34fbdbdc51fb"
          ],
          "display_name": false
        },
        {
          "uuid": "baf937cc-869f-482e-9c7a-fb6564780c4b",
          "name": "4H-1,3,5-DITHIAZINE, DIHYDRO-2,4,6-TRIMETHYL-",
          "stdName": "4H-1,3,5-DITHIAZINE, DIHYDRO-2,4,6-TRIMETHYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee",
            "d37bd8bc-57b0-4ddd-a82a-34fbdbdc51fb"
          ],
          "display_name": false
        },
        {
          "uuid": "8cbbec0a-2439-4d64-a733-1580d5b831a9",
          "name": "4H-1,3,5-DITHIAZINE, DIHYDRO-2,4,6-TRIMETHYL-, (2.ALPHA.,4.ALPHA.,6.ALPHA.)-",
          "stdName": "4H-1,3,5-DITHIAZINE, DIHYDRO-2,4,6-TRIMETHYL-, (2.ALPHA.,4.ALPHA.,6.ALPHA.)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b4ef7ede-4084-4748-beb6-7f24f49f414b",
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee"
          ],
          "display_name": false
        },
        {
          "uuid": "11ac170d-c928-4812-b04d-80d951ff1cd0",
          "name": "DIHYDRO-2,4,6-TRIMETHYL-4H-1,3,5-DITHIAZINE",
          "stdName": "DIHYDRO-2,4,6-TRIMETHYL-4H-1,3,5-DITHIAZINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ce049a0b-bf6b-4a51-ba4f-27754eb0a588",
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee"
          ],
          "display_name": false
        },
        {
          "uuid": "02037a0d-ff74-4233-a814-23acbd93b569",
          "name": "FEMA NO. 4018",
          "stdName": "FEMA NO. 4018",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee",
            "344b1fb9-5fab-434f-8302-da95d841688a"
          ],
          "display_name": false
        },
        {
          "uuid": "ed799695-fb55-4314-bbca-d8020d77ac93",
          "name": "NSC-418",
          "stdName": "NSC-418",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee",
            "d37bd8bc-57b0-4ddd-a82a-34fbdbdc51fb"
          ],
          "display_name": false
        },
        {
          "uuid": "725a4e0e-6874-4429-8884-7d85ad720d62",
          "name": "THIALDINE",
          "stdName": "THIALDINE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b4ef7ede-4084-4748-beb6-7f24f49f414b",
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee"
          ],
          "display_name": true
        },
        {
          "uuid": "bbfbeb82-b114-44a9-a161-674a384d3b86",
          "name": "THIALDINE, (±)-",
          "stdName": "THIALDINE, (+/-)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "30d0b0c7-2805-4436-90c3-d8eb5fbb1ea3",
            "326abe22-5fd1-4fc2-a2fc-ff86f71016ee"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "b4ef7ede-4084-4748-beb6-7f24f49f414b",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "326abe22-5fd1-4fc2-a2fc-ff86f71016ee",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "344b1fb9-5fab-434f-8302-da95d841688a",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "d37bd8bc-57b0-4ddd-a82a-34fbdbdc51fb",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "60a8f709-8bdb-4fd0-8fa0-8e6c1de55675",
          "citation": "http://www.chemexper.com/chemicals/supplier/cas/638-17-5.html",
          "url": "http://www.chemexper.com/chemicals/supplier/cas/638-17-5.html",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "30d0b0c7-2805-4436-90c3-d8eb5fbb1ea3",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ce049a0b-bf6b-4a51-ba4f-27754eb0a588",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c938a666-e4e8-447f-aab9-11c83c2a71b2",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391405000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "86879c4a-87a5-4fa8-9006-4c5305768024",
          "citation": "SRS import [ZKG651IE9G]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=ZKG651IE9G",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391405000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a0448cf6-6f18-412e-8355-a833e2234d3e",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "39854fc5-fd47-4669-9430-92ac8c2365ef",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "e15884f8-e9fd-0473-234e-956ae32d5506",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "e82a7fb4-be39-86a5-7c0b-bba0956e7af0",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "6d5a1a17-6fe0-4c50-a85b-033fa7bbbc05",
          "id": "6d5a1a17-6fe0-4c50-a85b-033fa7bbbc05",
          "molfile": "\n  Marvin  01132105412D          \n\n  9  9  0  0  0  0            999 V2000\n    4.7474   -3.6513    0.0000 C   0  0  1  0  0  0  0  0  0  2  0  0\n    5.4347   -4.1122    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.0058   -4.0175    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    3.3184   -3.5611    0.0000 C   0  0  1  0  0  0  0  0  0  1  0  0\n    2.5770   -3.9227    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.3728   -2.7338    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    4.1146   -2.3676    0.0000 C   0  0  1  0  0  0  0  0  0  2  0  0\n    4.1688   -1.5449    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8018   -2.8286    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  1  0  0  0\n  3  1  1  0  0  0  0\n  1  9  1  0  0  0  0\n  4  3  1  0  0  0  0\n  4  5  1  1  0  0  0\n  4  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  1  1  0  0  0\n  7  9  1  0  0  0  0\nM  END",
          "smiles": "C[C@H]1N[C@@H](C)S[C@@H](C)S1",
          "formula": "C6H13NS2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ABSOLUTE",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "1164241d-fc13-491a-8d3d-d33165d18bb2"
          },
          "defined_stereo": 2,
          "ez_centers": 0,
          "molecular_weight": "163.3065",
          "optical_activity": "UNSPECIFIED",
          "stereo_centers": 2
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "428897ad-6de5-4de4-bfaf-b7c1479e98a2",
      "version": "6",
      "structure": {
        "id": "f37d9ea3-fc79-4f8d-9553-931322e006ba",
        "molfile": "\n  Marvin  01132112382D          \n\n  9  9  0  0  1  0            999 V2000\n    3.3184   -3.5611    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n    4.0058   -4.0175    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    4.7474   -3.6513    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n    4.8018   -2.8286    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    4.1146   -2.3676    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n    3.3728   -2.7338    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    4.1688   -1.5449    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.4347   -4.1122    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.5770   -3.9227    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  5  4  1  0  0  0  0\n  6  5  1  0  0  0  0\n  1  6  1  0  0  0  0\n  5  7  1  1  0  0  0\n  3  8  1  1  0  0  0\n  1  9  1  1  0  0  0\nM  END",
        "smiles": "C[C@H]1N[C@@H](C)S[C@@H](C)S1",
        "formula": "C6H13NS2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 2,
        "ez_centers": 0,
        "molecular_weight": "163.3065",
        "optical_activity": "UNSPECIFIED",
        "references": [
          "86879c4a-87a5-4fa8-9006-4c5305768024",
          "d37bd8bc-57b0-4ddd-a82a-34fbdbdc51fb"
        ],
        "stereo_centers": 2
      },
      "unii": "ZKG651IE9G"
    }
  ]
}