{
  "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": "2e9b8d05-e749-4f3a-8846-b21703f86965",
          "code": "4-METHYL-1-PHENYL-2-PENTANONE",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=532",
          "code_system": "JECFA EVALUATION",
          "references": [
            "e6a580d0-9234-4987-a767-958877ba8b60"
          ]
        },
        {
          "uuid": "7161f4ec-bdf8-4f66-98e1-a4bd9bd3cb46",
          "code": "5349-62-2",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=5349-62-2",
          "code_system": "CAS",
          "references": [
            "e6a580d0-9234-4987-a767-958877ba8b60",
            "4c487eb1-c7c1-4987-8f36-18df3a62cdbb"
          ]
        },
        {
          "uuid": "d0313285-3699-48ae-b23f-7963fdcb7f0e",
          "code": "21 CFR 172.515",
          "comments": "PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION|Subpart F--Flavoring Agents and Related Substances|Sec. 172.515 Synthetic flavoring substances and adjuvants.",
          "type": "PRIMARY",
          "url": "http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRSearch.cfm?fr=172.515",
          "code_system": "CFR",
          "references": [
            "e6a580d0-9234-4987-a767-958877ba8b60"
          ]
        },
        {
          "uuid": "0b324e7d-6f99-42b9-89ac-3ff968a2065d",
          "code": "226-316-0",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.023.923",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "e6a580d0-9234-4987-a767-958877ba8b60"
          ]
        },
        {
          "uuid": "40bd6556-97d2-407f-b921-37e715fa6e1c",
          "code": "219672",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/219672",
          "code_system": "PUBCHEM",
          "references": [
            "e6a580d0-9234-4987-a767-958877ba8b60"
          ]
        },
        {
          "uuid": "8403ccd7-189a-3bdc-466f-4657badabd91",
          "code": "DTXSID1063805",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID1063805",
          "code_system": "EPA CompTox",
          "references": [
            "54f751d4-e35f-18dc-2c5d-e0bacfdff893"
          ]
        },
        {
          "uuid": "4eeb4ad7-737c-41f1-ac85-e62230fdc2d4",
          "code": "2Z1A62342T",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "ba76bf4b-e7be-96fc-3d6e-cf3c5092fcb5",
          "code": "1268",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=1268",
          "code_system": "NSC",
          "references": [
            "188e92e2-f689-5746-1cbf-fcd29822e453"
          ]
        },
        {
          "uuid": "d6acd68e-f055-3098-6273-4e19f99ed9eb",
          "code": "799",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/799/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "a56e5b6f-d1bc-0af4-ff11-fdd59f4902a5"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "ee627b89-e12b-4852-b2b4-5ff3dbe31e82",
          "name": "2-PENTANONE, 4-METHYL-1-PHENYL-",
          "stdName": "2-PENTANONE, 4-METHYL-1-PHENYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "389128e9-ca59-414a-80a2-24d5dd2e57fa"
          ],
          "display_name": false
        },
        {
          "uuid": "dfc27e8c-1be8-4053-8ed4-ac446fba101e",
          "name": "4-METHYL-1-PHENYL-2-PENTANONE",
          "stdName": "4-METHYL-1-PHENYL-2-PENTANONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "29fe10ae-1db4-4dd8-b634-151edd172384",
            "9556dfba-3408-4871-b4ae-b52d56ee1900",
            "de07ac04-8790-4aca-8d1f-4ed3504e0593",
            "94164958-8066-4be1-beb6-580c9a163dd5"
          ],
          "display_name": true
        },
        {
          "uuid": "3821ce1f-d258-4d58-8d2e-0ecb85cd2691",
          "name": "4-METHYL-1-PHENYL-2-PENTANONE [FHFI]",
          "stdName": "4-METHYL-1-PHENYL-2-PENTANONE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9556dfba-3408-4871-b4ae-b52d56ee1900",
            "de07ac04-8790-4aca-8d1f-4ed3504e0593"
          ],
          "display_name": false
        },
        {
          "uuid": "aaebe676-cad7-4049-8367-c40557ef40dc",
          "name": "4-METHYL-1-PHENYLPENTAN-2-ONE",
          "stdName": "4-METHYL-1-PHENYLPENTAN-2-ONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "f3e76c17-d004-4684-a1cc-a86fddb18b14",
            "de07ac04-8790-4aca-8d1f-4ed3504e0593"
          ],
          "display_name": false
        },
        {
          "uuid": "c7d6ea3a-1fed-4bab-bc8e-f0b07f70c479",
          "name": "BENZYL ISOBUTYL KETONE",
          "stdName": "BENZYL ISOBUTYL KETONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "de07ac04-8790-4aca-8d1f-4ed3504e0593",
            "46d3b713-aa39-4e63-82f3-c94e59ec542d"
          ],
          "display_name": false
        },
        {
          "uuid": "26925f27-6f14-457e-8b39-c7d71f54c021",
          "name": "FEMA NO. 2740",
          "stdName": "FEMA NO. 2740",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9556dfba-3408-4871-b4ae-b52d56ee1900",
            "de07ac04-8790-4aca-8d1f-4ed3504e0593"
          ],
          "display_name": false
        },
        {
          "uuid": "c6738247-35ee-4cb8-a8f8-2f3e840183cf",
          "name": "ISOBUTYL BENZYL KETONE",
          "stdName": "ISOBUTYL BENZYL KETONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "f3e76c17-d004-4684-a1cc-a86fddb18b14",
            "de07ac04-8790-4aca-8d1f-4ed3504e0593"
          ],
          "display_name": false
        },
        {
          "uuid": "5e923580-3b65-4cb8-a4ed-61db560df466",
          "name": "NSC-1268",
          "stdName": "NSC-1268",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "f3e76c17-d004-4684-a1cc-a86fddb18b14",
            "de07ac04-8790-4aca-8d1f-4ed3504e0593"
          ],
          "display_name": false
        },
        {
          "uuid": "7f6b9039-928e-4749-af29-182a5ddddd41",
          "name": "SPICY PENTANONE",
          "stdName": "SPICY PENTANONE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "de07ac04-8790-4aca-8d1f-4ed3504e0593",
            "42f1843d-95cc-45fa-9372-fc9fc2408fc4"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "389128e9-ca59-414a-80a2-24d5dd2e57fa",
          "citation": "CHEMID 2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "94164958-8066-4be1-beb6-580c9a163dd5",
          "citation": "chemid",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "de07ac04-8790-4aca-8d1f-4ed3504e0593",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "f3e76c17-d004-4684-a1cc-a86fddb18b14",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "9556dfba-3408-4871-b4ae-b52d56ee1900",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "42f1843d-95cc-45fa-9372-fc9fc2408fc4",
          "citation": "http://www.thegoodscentscompany.com/data/rw1032971.html",
          "url": "http://www.thegoodscentscompany.com/data/rw1032971.html",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "46d3b713-aa39-4e63-82f3-c94e59ec542d",
          "citation": "YES",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e6a580d0-9234-4987-a767-958877ba8b60",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391226000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e12a887a-b50d-4f5b-a6a4-f8ecbe011fc0",
          "citation": "SRS import [2Z1A62342T]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=2Z1A62342T",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391226000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e9f5f39a-c6d0-4864-b72b-0e0fbf24c3e9",
          "citation": "CHEMID  2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "29fe10ae-1db4-4dd8-b634-151edd172384",
          "citation": "4-METHYL-1-PHENYL-2-PENTANONE [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "54f751d4-e35f-18dc-2c5d-e0bacfdff893",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=5349-62-2",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "4c487eb1-c7c1-4987-8f36-18df3a62cdbb",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "188e92e2-f689-5746-1cbf-fcd29822e453",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "a56e5b6f-d1bc-0af4-ff11-fdd59f4902a5",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "bbfb1f93-978b-4b33-aed2-b3a39c219383",
          "id": "bbfb1f93-978b-4b33-aed2-b3a39c219383",
          "molfile": "\n  Marvin  01132109432D          \n\n 13 13  0  0  0  0            999 V2000\n    5.9901   -3.6783    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9901   -2.8617    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7124   -2.4348    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2631   -2.4348    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.5572   -2.8617    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.5572   -3.6783    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.8507   -2.4348    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.8507   -1.6176    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.1243   -1.1907    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.1243   -0.3694    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.8507    0.0369    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.5572   -0.3694    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.5572   -1.1907    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  3  2  1  0  0  0  0\n  2  4  1  0  0  0  0\n  4  5  1  0  0  0  0\n  6  5  2  0  0  0  0\n  7  5  1  0  0  0  0\n  8  7  1  0  0  0  0\n  9  8  1  0  0  0  0\n 13  8  2  0  0  0  0\n 10  9  2  0  0  0  0\n 11 10  1  0  0  0  0\n 11 12  2  0  0  0  0\n 12 13  1  0  0  0  0\nM  END",
          "smiles": "CC(C)CC(=O)Cc1ccccc1",
          "formula": "C12H16O",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "683ae71a-30ef-4094-bb6a-67c9c3726e9b"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "176.2553",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "bd165d6f-ed61-4228-af44-36ba057ec21c",
      "version": "6",
      "structure": {
        "id": "59ca672d-1d3f-4055-8f6d-ad379a57842f",
        "molfile": "\n  Marvin  01132104392D          \n\n 13 13  0  0  0  0            999 V2000\n    4.5569   -2.8615    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.5569   -3.6781    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.8505   -2.4346    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2628   -2.4346    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.8505   -1.6175    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9897   -2.8615    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.1241   -1.1906    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.5569   -1.1906    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9897   -3.6781    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7120   -2.4346    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.1241   -0.3694    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.5569   -0.3694    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.8505    0.0369    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  1  1  0  0  0  0\n  4  1  1  0  0  0  0\n  5  3  1  0  0  0  0\n  6  4  1  0  0  0  0\n  7  5  2  0  0  0  0\n  8  5  1  0  0  0  0\n  9  6  1  0  0  0  0\n 10  6  1  0  0  0  0\n 11  7  1  0  0  0  0\n 12  8  2  0  0  0  0\n 13 12  1  0  0  0  0\n 13 11  2  0  0  0  0\nM  END",
        "smiles": "CC(C)CC(=O)Cc1ccccc1",
        "formula": "C12H16O",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "176.2553",
        "optical_activity": "NONE",
        "references": [
          "e9f5f39a-c6d0-4864-b72b-0e0fbf24c3e9",
          "e12a887a-b50d-4f5b-a6a4-f8ecbe011fc0"
        ],
        "stereo_centers": 0
      },
      "unii": "2Z1A62342T"
    }
  ]
}