{
  "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": "7b8344ce-ebd1-4c50-b3a7-8b78fb391fe4",
          "code": "P-TOLYL ISOBUTYRATE",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=4259",
          "code_system": "JECFA EVALUATION",
          "references": [
            "5971ae51-964c-42a1-9cfb-a44aff02d056"
          ]
        },
        {
          "uuid": "61432819-88c5-4780-be67-b90bac8d5980",
          "code": "103-93-5",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=103-93-5",
          "code_system": "CAS",
          "references": [
            "5971ae51-964c-42a1-9cfb-a44aff02d056",
            "0bc8a1aa-7977-409b-8b03-471877ab731b"
          ]
        },
        {
          "uuid": "7016eb9e-ce42-42fb-9bd4-a6c4b788241f",
          "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": [
            "5971ae51-964c-42a1-9cfb-a44aff02d056"
          ]
        },
        {
          "uuid": "da6d0193-0e9a-44f6-b527-bf949e4e51e2",
          "code": "203-159-6",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.002.872",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "5971ae51-964c-42a1-9cfb-a44aff02d056"
          ]
        },
        {
          "uuid": "95984053-d7b4-4839-ab92-cdc87a1fbfa1",
          "code": "7685",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/7685",
          "code_system": "PUBCHEM",
          "references": [
            "5971ae51-964c-42a1-9cfb-a44aff02d056"
          ]
        },
        {
          "uuid": "ad2f40f4-ab6a-d311-75a6-36158a0d04c3",
          "code": "DTXSID0051522",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID0051522",
          "code_system": "EPA CompTox",
          "references": [
            "2f165a1b-85a0-bfb9-2911-f9d9341cee27"
          ]
        },
        {
          "uuid": "839afa85-2e0c-4809-9b26-e8675980b937",
          "code": "8H719PT14T",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "45c49ae7-4896-4bb2-886e-77971f4f7a11",
          "code": "580",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/580/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "32863d55-6fd4-e3ee-f4b5-0832bd157593"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "df58482d-fe99-4550-b38b-52923c903542",
          "name": "2-METHYLPROPANOIC ACID 4-METHYLPHENYL ESTER",
          "stdName": "2-METHYLPROPANOIC ACID 4-METHYLPHENYL ESTER",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "f2d3b974-9f33-4e78-9a58-b155e94200fd",
            "07b1ac39-b23a-4331-a889-3a2e37938bbf"
          ],
          "display_name": false
        },
        {
          "uuid": "ac449b35-fd4b-44a0-990a-54b830813a0e",
          "name": "CRESYL ISOBUTYRATE, P-",
          "stdName": "CRESYL ISOBUTYRATE, P-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e211c6d8-b8d5-445d-a9f8-b5ff93a5c83e",
            "07b1ac39-b23a-4331-a889-3a2e37938bbf"
          ],
          "display_name": false
        },
        {
          "uuid": "68e45506-08ca-4436-841e-04d2edcbde2f",
          "name": "FEMA NO. 3075",
          "stdName": "FEMA NO. 3075",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bcd8427b-b4d2-4f42-9831-53e185d55e76",
            "38875614-1d07-497f-aee2-b127377a153a"
          ],
          "display_name": false
        },
        {
          "uuid": "58fcc01b-5530-4115-ad1b-24ef6d6299ad",
          "name": "ISOBUTYRIC ACID, P-TOLYL ESTER",
          "stdName": "ISOBUTYRIC ACID, P-TOLYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "07b1ac39-b23a-4331-a889-3a2e37938bbf",
            "797d46e6-9b6a-4613-a1fa-6fcf05ec3778"
          ],
          "display_name": false
        },
        {
          "uuid": "2b1f6115-f7ae-44b7-9e5d-57a2f9155cab",
          "name": "P-CRESYL ISOBUTYRATE",
          "stdName": "P-CRESYL ISOBUTYRATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "05b86094-adef-4259-af30-4c7c63f37090",
            "07b1ac39-b23a-4331-a889-3a2e37938bbf"
          ],
          "display_name": true
        },
        {
          "uuid": "3aa11848-cfe9-4036-b496-4f79793e1367",
          "name": "P-METHYLPHENYL ISOBUTYRATE",
          "stdName": "P-METHYLPHENYL ISOBUTYRATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "07b1ac39-b23a-4331-a889-3a2e37938bbf",
            "797d46e6-9b6a-4613-a1fa-6fcf05ec3778"
          ],
          "display_name": false
        },
        {
          "uuid": "bda47166-fca4-439f-8bf4-1094e7f7549f",
          "name": "P-TOLYL ISOBUTYRATE",
          "stdName": "P-TOLYL ISOBUTYRATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ee6ac20c-33de-48de-ace3-9fb38513c957",
            "d03fd598-e98c-4d54-b5a7-634621b826cf",
            "2aa7bcb0-23bf-4071-ae69-fb701ce9bfa0",
            "9cc0beb5-fd1f-4091-ac44-de26fe01bcc1",
            "07b1ac39-b23a-4331-a889-3a2e37938bbf",
            "797d46e6-9b6a-4613-a1fa-6fcf05ec3778"
          ],
          "display_name": false
        },
        {
          "uuid": "17b34b87-f5a4-433c-91ba-06055df0abde",
          "name": "P-TOLYL ISOBUTYRATE [FCC]",
          "stdName": "P-TOLYL ISOBUTYRATE [FCC]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2aa7bcb0-23bf-4071-ae69-fb701ce9bfa0",
            "07b1ac39-b23a-4331-a889-3a2e37938bbf"
          ],
          "display_name": false
        },
        {
          "uuid": "37fc84e3-0314-45f6-b4be-bf519cafa7ba",
          "name": "P-TOLYL ISOBUTYRATE [FHFI]",
          "stdName": "P-TOLYL ISOBUTYRATE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ee6ac20c-33de-48de-ace3-9fb38513c957",
            "07b1ac39-b23a-4331-a889-3a2e37938bbf"
          ],
          "display_name": false
        },
        {
          "uuid": "c00810c9-86aa-442a-b933-6bfe8fb6bf4f",
          "name": "PROPANOIC ACID, 2-METHYL-, 4-METHYLPHENYL ESTER",
          "stdName": "PROPANOIC ACID, 2-METHYL-, 4-METHYLPHENYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "07b1ac39-b23a-4331-a889-3a2e37938bbf",
            "797d46e6-9b6a-4613-a1fa-6fcf05ec3778"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "bcd8427b-b4d2-4f42-9831-53e185d55e76",
          "citation": "CHEMID FEMA BATCH 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "38875614-1d07-497f-aee2-b127377a153a",
          "citation": "CHEMID BATCH 2010",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "797d46e6-9b6a-4613-a1fa-6fcf05ec3778",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "07b1ac39-b23a-4331-a889-3a2e37938bbf",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "05b86094-adef-4259-af30-4c7c63f37090",
          "citation": "GRAS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2aa7bcb0-23bf-4071-ae69-fb701ce9bfa0",
          "citation": "FCC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ee6ac20c-33de-48de-ace3-9fb38513c957",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "f2d3b974-9f33-4e78-9a58-b155e94200fd",
          "citation": "SCIFINDER",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e211c6d8-b8d5-445d-a9f8-b5ff93a5c83e",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "5971ae51-964c-42a1-9cfb-a44aff02d056",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390975000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "1cbf63b5-2cd8-4e7c-b845-501c74c1133b",
          "citation": "AN OVERVIEW OF THE EFFECTS OF TOBACCO INGREDIENTS ON SMOKE CHEMISTRY AND TOXICITY; FOOD AND CHEMICAL TOXICOLOGY; BAKER, RR; 42(SUPPL):53-83, 2004",
          "url": "http://www.sciencedirect.com/science/article/pii/S0278691504000043",
          "doc_type": "JOURNAL ARTICLE",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "49d44cc8-11f3-46fa-8efc-d5e17251515e",
          "citation": "SRS import [8H719PT14T]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=8H719PT14T",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390975000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "d76900d6-0726-4d7d-8137-889beeb00e72",
          "citation": "CHEMID 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "9cc0beb5-fd1f-4091-ac44-de26fe01bcc1",
          "citation": "P-TOLYL ISOBUTYRATE [FCC]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "d03fd598-e98c-4d54-b5a7-634621b826cf",
          "citation": "P-TOLYL ISOBUTYRATE [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "2f165a1b-85a0-bfb9-2911-f9d9341cee27",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=103-93-5",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "0bc8a1aa-7977-409b-8b03-471877ab731b",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "32863d55-6fd4-e3ee-f4b5-0832bd157593",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "86c5d5bf-621f-48ae-9365-404ab1a5aa7b",
          "id": "86c5d5bf-621f-48ae-9365-404ab1a5aa7b",
          "molfile": "\n  Marvin  01132107002D          \n\n 13 13  0  0  0  0            999 V2000\n    7.6757   -2.3752    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9719   -2.7830    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2342   -2.3752    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9719   -3.5594    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6757   -3.9719    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2342   -4.0205    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2342   -4.8455    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9719   -5.2580    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9719   -6.0830    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2342   -6.4908    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2342   -7.3158    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5305   -6.0830    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5305   -5.2580    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  4  2  1  0  0  0  0\n  4  5  2  0  0  0  0\n  4  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n  7 13  2  0  0  0  0\n  8  9  2  0  0  0  0\n  9 10  1  0  0  0  0\n 10 11  1  0  0  0  0\n 12 10  2  0  0  0  0\n 13 12  1  0  0  0  0\nM  END",
          "smiles": "CC(C)C(=O)Oc1ccc(C)cc1",
          "formula": "C11H14O2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "50f55195-46b4-47ba-ad65-aa7f97a5560f"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "178.2281",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "9f716b37-4fc8-4590-b40f-0ad475ff28b6",
      "version": "4",
      "structure": {
        "id": "e1738b88-02b2-4581-972a-cbceb5f12a32",
        "molfile": "\n  Marvin  01132111402D          \n\n 13 13  0  0  0  0            999 V2000\n    6.9719   -3.5594    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9719   -2.7830    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6757   -2.3752    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2342   -2.3752    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2342   -4.0205    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2342   -4.8455    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9719   -5.2580    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9719   -6.0830    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2342   -6.4908    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2342   -7.3158    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5305   -6.0830    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5305   -5.2580    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6757   -3.9719    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  1  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  2  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n 11  9  2  0  0  0  0\n 12 11  1  0  0  0  0\n  6 12  2  0  0  0  0\n  1 13  2  0  0  0  0\nM  END",
        "smiles": "CC(C)C(=O)Oc1ccc(C)cc1",
        "formula": "C11H14O2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "178.2281",
        "optical_activity": "NONE",
        "references": [
          "49d44cc8-11f3-46fa-8efc-d5e17251515e",
          "d76900d6-0726-4d7d-8137-889beeb00e72"
        ],
        "stereo_centers": 0
      },
      "unii": "8H719PT14T"
    }
  ]
}