{
  "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": "4074ed88-51b6-4ae0-8113-4c03921b1636",
          "code": "67952-59-4",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=67952-59-4",
          "code_system": "CAS",
          "references": [
            "02fc64dd-14de-4c1b-aa34-08451a99a930",
            "efb0f5e5-0cfe-44ab-b398-5b0da4e65d18"
          ]
        },
        {
          "uuid": "4ad17841-3fba-4ada-85d1-f6f4e0a4348a",
          "code": "267-913-6",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.061.721",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "02fc64dd-14de-4c1b-aa34-08451a99a930"
          ]
        },
        {
          "uuid": "209af830-1c01-46e6-90fa-0563e9b1c7b5",
          "code": "106216",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/106216",
          "code_system": "PUBCHEM",
          "references": [
            "02fc64dd-14de-4c1b-aa34-08451a99a930"
          ]
        },
        {
          "uuid": "ab496d2d-d656-1f78-a1a8-847d512d6304",
          "code": "DTXSID4070902",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID4070902",
          "code_system": "EPA CompTox",
          "references": [
            "7b9b8bca-f2cf-3693-89cb-f3400279b6a8"
          ]
        },
        {
          "uuid": "caf5b4ba-a6f5-4ea1-9c90-a6a10fbdb4bd",
          "code": "W9ZVH61E78",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        }
      ],
      "relationships": [
        {
          "uuid": "4e70d367-0b16-4294-8c66-8a94f4ef71ee",
          "comments": "Odour and flavor: Nutty, burnt, vegetable; Occurrence: Not yet reported as being found in nature",
          "type": "ACTIVE MOIETY",
          "references": [
            "152c741c-4693-476b-8d77-cc5a756d488c"
          ],
          "related_substance": {
            "uuid": "ab29d778-ae12-4061-aefe-e0348c3a623f",
            "refuuid": "9c330b40-ecae-4992-b2f2-ddf3f7fa2d81",
            "name": "2-ISOPROPYL-3-METHYLTHIOPYRAZINE",
            "unii": "W9ZVH61E78",
            "linking_id": "W9ZVH61E78",
            "ref_pname": "2-ISOPROPYL-3-METHYLTHIOPYRAZINE",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "ecbbdd2a-1ebd-4501-9676-1129d92cd586",
          "name": "2-(1-METHYLETHYL)-3-(METHYLTHIO)PYRAZINE",
          "stdName": "2-(1-METHYLETHYL)-3-(METHYLTHIO)PYRAZINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "29594eb5-3798-4647-888f-60de043dfdef",
            "98dd44bb-14f6-4267-b447-3eefd9c91f68"
          ],
          "display_name": false
        },
        {
          "uuid": "dcb438fc-8a1c-4a74-b29a-c27b38e5f430",
          "name": "2-ISOPROPYL-3-METHYLTHIOPYRAZINE",
          "stdName": "2-ISOPROPYL-3-METHYLTHIOPYRAZINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b0c85978-ce55-4a4c-84aa-7540b2e4b07f",
            "98dd44bb-14f6-4267-b447-3eefd9c91f68"
          ],
          "display_name": true
        },
        {
          "uuid": "c1e9adc6-c27b-45fa-b5b0-89a03dda84d4",
          "name": "2-METHYLTHIO-3-ISOPROPYLPYRAZINE",
          "stdName": "2-METHYLTHIO-3-ISOPROPYLPYRAZINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "29594eb5-3798-4647-888f-60de043dfdef",
            "98dd44bb-14f6-4267-b447-3eefd9c91f68"
          ],
          "display_name": false
        },
        {
          "uuid": "a743d848-9418-4de7-9e26-41d2c6dc073b",
          "name": "PYRAZINE, 2-(1-METHYLETHYL)-3-(METHYLTHIO)-",
          "stdName": "PYRAZINE, 2-(1-METHYLETHYL)-3-(METHYLTHIO)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "29594eb5-3798-4647-888f-60de043dfdef",
            "98dd44bb-14f6-4267-b447-3eefd9c91f68"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "29594eb5-3798-4647-888f-60de043dfdef",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "98dd44bb-14f6-4267-b447-3eefd9c91f68",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b0c85978-ce55-4a4c-84aa-7540b2e4b07f",
          "citation": "EC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "02fc64dd-14de-4c1b-aa34-08451a99a930",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392732000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "152c741c-4693-476b-8d77-cc5a756d488c",
          "citation": "CHEMISTRY AND TECHNOLOGY OF FLAVORS AND FRAGRANCES, DAVID J. ROWE(ED.), CRC PRESS, 2005 BY BLACKWELL PUBLISHING LTD., ISBN 1?4051?1450?9",
          "doc_type": "BOOK",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "03321688-572c-4167-b2de-9d93e0d65ea9",
          "citation": "SRS import [W9ZVH61E78]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=W9ZVH61E78",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392732000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "7b9b8bca-f2cf-3693-89cb-f3400279b6a8",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=67952-59-4",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "efb0f5e5-0cfe-44ab-b398-5b0da4e65d18",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "a0a25985-62c7-4210-93c3-1ea6da9d1d6b",
          "id": "a0a25985-62c7-4210-93c3-1ea6da9d1d6b",
          "molfile": "\n  Marvin  01132108212D          \n\n 11 11  0  0  0  0            999 V2000\n    7.4866   -7.0973    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.2010   -6.6848    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    8.2010   -5.8598    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4866   -5.4473    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4866   -4.6223    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.2010   -4.2098    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.9155   -4.6223    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    8.9155   -5.4473    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.6300   -5.8598    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.3445   -5.4473    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.6300   -6.6848    0.0000 C   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  3  4  1  0  0  0  0\n  3  8  2  0  0  0  0\n  4  5  2  0  0  0  0\n  5  6  1  0  0  0  0\n  7  6  2  0  0  0  0\n  8  7  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n  9 11  1  0  0  0  0\nM  END",
          "smiles": "CC(C)c1c(nccn1)SC",
          "formula": "C8H12N2S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "27dedae2-99e9-43e0-9efa-a79e70e96c8e"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "168.2607",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "9c330b40-ecae-4992-b2f2-ddf3f7fa2d81",
      "version": "3",
      "structure": {
        "id": "f3572030-3c86-4754-9e08-1b2de32167c5",
        "molfile": "\n  Marvin  01132112372D          \n\n 11 11  0  0  0  0            999 V2000\n    8.2010   -6.6848    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4866   -7.0973    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.2010   -5.8598    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.9155   -5.4473    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.6300   -5.8598    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.3445   -5.4473    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.6300   -6.6848    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.9155   -4.6223    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    8.2010   -4.2098    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4866   -4.6223    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4866   -5.4473    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  1  3  1  0  0  0  0\n  3  4  1  0  0  0  0\n  4  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  5  7  1  0  0  0  0\n  4  8  2  0  0  0  0\n  8  9  1  0  0  0  0\n 10  9  2  0  0  0  0\n 11 10  1  0  0  0  0\n  3 11  2  0  0  0  0\nM  END",
        "smiles": "CC(C)c1c(nccn1)SC",
        "formula": "C8H12N2S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "168.2607",
        "optical_activity": "NONE",
        "references": [
          "03321688-572c-4167-b2de-9d93e0d65ea9",
          "29594eb5-3798-4647-888f-60de043dfdef"
        ],
        "stereo_centers": 0
      },
      "unii": "W9ZVH61E78"
    }
  ]
}