{
  "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": "d50d32a2-1d15-49bc-bc95-47bf99662a8a",
          "code": "50405-95-3",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=50405-95-3",
          "code_system": "CAS",
          "references": [
            "48d40314-fccc-4ea0-9379-1c6348ce1967",
            "22ce6654-7d18-46ca-a942-a04508f98ae3"
          ]
        },
        {
          "uuid": "2445bda2-79a1-4395-9074-b8de26acec78",
          "code": "256-579-7",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.051.419",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "48d40314-fccc-4ea0-9379-1c6348ce1967"
          ]
        },
        {
          "uuid": "f37e6f71-b702-49ed-9169-3d2aa3739e19",
          "code": "162589",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/162589",
          "code_system": "PUBCHEM",
          "references": [
            "48d40314-fccc-4ea0-9379-1c6348ce1967"
          ]
        },
        {
          "uuid": "7a914734-a8ee-4531-82a1-9f20bba77455",
          "code": "JAG4B3CE2J",
          "type": "PRIMARY",
          "code_system": "FDA UNII",
          "references": [
            "22ce6654-7d18-46ca-a942-a04508f98ae3"
          ]
        },
        {
          "uuid": "5c89ca5e-1dfb-ed15-4815-c2daf5074f7e",
          "code": "DTXSID3068548",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID3068548",
          "code_system": "EPA CompTox",
          "references": [
            "0de8fd91-9c09-821e-1e74-6ca1364a291f"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "3ed8bfe7-134d-47a9-952a-03d1fdbce942",
          "name": "2H-Pyran-2-one, 4-methyl-6-(1-methylethyl)-",
          "stdName": "2H-PYRAN-2-ONE, 4-METHYL-6-(1-METHYLETHYL)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "27914dad-20c2-4614-9fb0-7e5b90c595fa"
          ],
          "display_name": false
        },
        {
          "uuid": "67e52a1a-75a0-426d-b5ef-6a35fe561180",
          "name": "4-Methyl-6-(1-methylethyl)-2H-pyran-2-one",
          "stdName": "4-METHYL-6-(1-METHYLETHYL)-2H-PYRAN-2-ONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "22ce6654-7d18-46ca-a942-a04508f98ae3"
          ],
          "display_name": true
        },
        {
          "uuid": "8b49b684-713f-4eee-a6b5-b010507455fc",
          "name": "4-Methyl-6-isopropyl-α-pyrone",
          "stdName": "4-METHYL-6-ISOPROPYL-.ALPHA.-PYRONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "22ce6654-7d18-46ca-a942-a04508f98ae3"
          ],
          "display_name": false
        },
        {
          "uuid": "3ab3fdab-8be9-4b78-b046-893c76834110",
          "name": "6-Isopropyl-4-methyl-α-pyrone",
          "stdName": "6-ISOPROPYL-4-METHYL-.ALPHA.-PYRONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "22ce6654-7d18-46ca-a942-a04508f98ae3"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "27914dad-20c2-4614-9fb0-7e5b90c595fa",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "48d40314-fccc-4ea0-9379-1c6348ce1967",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392085000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "0de8fd91-9c09-821e-1e74-6ca1364a291f",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=50405-95-3",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "22ce6654-7d18-46ca-a942-a04508f98ae3",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "458452b4-d1bf-4338-811e-46ad0fd9eb1d",
          "id": "458452b4-d1bf-4338-811e-46ad0fd9eb1d",
          "molfile": "\n  Marvin  01132103392D          \n\n 11 11  0  0  0  0            999 V2000\n    2.3884    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8063   -0.7169    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.6025   -0.9294    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.2263   -1.3041    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.2191   -2.1291    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.5130   -2.5397    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.5058   -3.3647    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7998   -2.1291    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7998   -1.3041    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -1.0879    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    1.5130   -0.8898    0.0000 O   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  4  2  1  0  0  0  0\n  4  5  2  0  0  0  0\n  4 11  1  0  0  0  0\n  6  5  1  0  0  0  0\n  6  7  1  0  0  0  0\n  8  6  2  0  0  0  0\n  9  8  1  0  0  0  0\n  9 10  2  0  0  0  0\n  9 11  1  0  0  0  0\nM  END",
          "smiles": "CC(C)c1cc(C)cc(=O)o1",
          "formula": "C9H12O2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "3e15023e-d175-4909-9922-6fbfe994d200"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "152.1907",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "a918267d-7192-4d26-9e6e-f59711d3d9dc",
      "version": "5",
      "structure": {
        "id": "f76ebf54-3ca3-42d1-9275-07fd9fa03a76",
        "molfile": "\n   JSDraw203252317582D\n\n 11 11  0  0  0  0              0 V2000\n   21.9710  -10.4259    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   23.3220   -9.6459    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   24.6730  -10.4259    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   23.3220   -8.0860    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   24.6730   -7.3060    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   24.6730   -5.7461    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   26.0238   -4.9661    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   23.3220   -4.9661    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   21.9710   -5.7461    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   20.6202   -4.9661    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   21.9710   -7.3060    0.0000 O   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  2  4  1  0  0  0  0\n  4  5  2  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  6  8  2  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  2  0  0  0  0\n  9 11  1  0  0  0  0\n  4 11  1  0  0  0  0\nM  END",
        "smiles": "CC(C)c1cc(C)cc(=O)o1",
        "formula": "C9H12O2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "152.1907",
        "optical_activity": "NONE",
        "references": [
          "27914dad-20c2-4614-9fb0-7e5b90c595fa"
        ],
        "stereo_centers": 0
      },
      "unii": "JAG4B3CE2J"
    }
  ]
}