{
  "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": "6743ef9e-7c2c-47ca-be4e-f48f591b938e",
          "code": "ALLYL 2-ETHYLBUTYRATE",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=224",
          "code_system": "JECFA EVALUATION",
          "references": [
            "3f612a89-7272-4f9b-8ec1-9b837ec48e83"
          ]
        },
        {
          "uuid": "2d43bd5a-10ad-4970-9968-2c60676d0638",
          "code": "7493-69-8",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=7493-69-8",
          "code_system": "CAS",
          "references": [
            "3f612a89-7272-4f9b-8ec1-9b837ec48e83",
            "2c06ac19-328e-4906-89fc-a5af03f2e174"
          ]
        },
        {
          "uuid": "0fe963f0-b3ff-42ef-afb2-09427baa25da",
          "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": [
            "3f612a89-7272-4f9b-8ec1-9b837ec48e83"
          ]
        },
        {
          "uuid": "c5eb77c7-891c-4792-99bd-e62dfbe3b724",
          "code": "231-332-6",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.028.484",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "3f612a89-7272-4f9b-8ec1-9b837ec48e83"
          ]
        },
        {
          "uuid": "b9ec1c6b-8a1b-4cca-9260-1e42e9c60a0d",
          "code": "61408",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/61408",
          "code_system": "PUBCHEM",
          "references": [
            "3f612a89-7272-4f9b-8ec1-9b837ec48e83"
          ]
        },
        {
          "uuid": "e09aeda1-fb35-4897-8bf0-a91460ec8b7b",
          "code": "T7177XGV3Q",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "8c60343c-f43b-60e4-253a-830d201e256b",
          "code": "DTXSID50864078",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID50864078",
          "code_system": "EPA CompTox"
        },
        {
          "uuid": "32a39765-bc44-f406-27bb-13965c0ce012",
          "code": "32637",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=32637",
          "code_system": "NSC",
          "references": [
            "5c2d53f6-3a92-d0e5-19fc-136b3915031c"
          ]
        },
        {
          "uuid": "ff3685ad-037b-d9aa-4d2d-b3dfcd4afa78",
          "code": "328",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/328/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "245b9fd6-bc39-5117-4428-01edc7ed4a3e"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "b50b0665-7bf9-490d-8cb3-a8c6cd88d6db",
          "name": "2-PROPENYL 2-ETHYLBUTANOATE",
          "stdName": "2-PROPENYL 2-ETHYLBUTANOATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bf56be95-5fa5-4087-88e5-54bb0c97e6e5",
            "089014a5-4807-4e87-863d-b88f7d03aa78"
          ],
          "display_name": false
        },
        {
          "uuid": "99c921fe-47c4-4ae9-ade7-84bcb548b5c4",
          "name": "2-PROPENYL 2-ETHYLBUTYRATE",
          "stdName": "2-PROPENYL 2-ETHYLBUTYRATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bf56be95-5fa5-4087-88e5-54bb0c97e6e5",
            "089014a5-4807-4e87-863d-b88f7d03aa78"
          ],
          "display_name": false
        },
        {
          "uuid": "95d091f9-6fe3-400a-887d-2e50540e9c7a",
          "name": "ALLYL 2-ETHYLBUTYRATE",
          "stdName": "ALLYL 2-ETHYLBUTYRATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "a836be99-b179-45b0-ad23-e7d615ca92ef",
            "bf56be95-5fa5-4087-88e5-54bb0c97e6e5",
            "fc4049cd-78af-4919-80f8-0343ba811615",
            "089014a5-4807-4e87-863d-b88f7d03aa78"
          ],
          "display_name": true
        },
        {
          "uuid": "4e101a2a-1f96-419e-a14f-99147b48fa63",
          "name": "ALLYL 2-ETHYLBUTYRATE [FHFI]",
          "stdName": "ALLYL 2-ETHYLBUTYRATE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "fc4049cd-78af-4919-80f8-0343ba811615",
            "089014a5-4807-4e87-863d-b88f7d03aa78"
          ],
          "display_name": false
        },
        {
          "uuid": "7c36d37e-19be-4a7a-9aba-cecf92662f97",
          "name": "BUTANOIC ACID, 2-ETHYL-, 2-PROPENYL ESTER",
          "stdName": "BUTANOIC ACID, 2-ETHYL-, 2-PROPENYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bf56be95-5fa5-4087-88e5-54bb0c97e6e5",
            "089014a5-4807-4e87-863d-b88f7d03aa78"
          ],
          "display_name": false
        },
        {
          "uuid": "5cd34757-0664-4f7a-8df9-d27897f4f6af",
          "name": "FEMA NO. 2029",
          "stdName": "FEMA NO. 2029",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "fea8fb9e-ba14-442e-b13c-471c7567998e",
            "72c7a330-d2cb-4a48-97dd-03da21e8f54c"
          ],
          "display_name": false
        },
        {
          "uuid": "14484a27-ec7e-420f-ae76-b9e4a594599c",
          "name": "NSC-32637",
          "stdName": "NSC-32637",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bf56be95-5fa5-4087-88e5-54bb0c97e6e5",
            "089014a5-4807-4e87-863d-b88f7d03aa78"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "fea8fb9e-ba14-442e-b13c-471c7567998e",
          "citation": "CHEMID FEMA BATCH 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "72c7a330-d2cb-4a48-97dd-03da21e8f54c",
          "citation": "CHEMID BATCH 2010",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "bf56be95-5fa5-4087-88e5-54bb0c97e6e5",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "089014a5-4807-4e87-863d-b88f7d03aa78",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "fc4049cd-78af-4919-80f8-0343ba811615",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "3f612a89-7272-4f9b-8ec1-9b837ec48e83",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390980000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2c957f1a-ba3b-4230-aa1a-6d742134e063",
          "citation": "SRS import [T7177XGV3Q]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=T7177XGV3Q",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390980000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b468da72-f32f-4b56-b947-a86884a99d02",
          "citation": "CHEMID 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a836be99-b179-45b0-ad23-e7d615ca92ef",
          "citation": "ALLYL 2-ETHYLBUTYRATE [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "2c06ac19-328e-4906-89fc-a5af03f2e174",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "5c2d53f6-3a92-d0e5-19fc-136b3915031c",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "245b9fd6-bc39-5117-4428-01edc7ed4a3e",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "8db43dc6-2eaa-45c5-9b04-1326ab726e0c",
          "id": "8db43dc6-2eaa-45c5-9b04-1326ab726e0c",
          "molfile": "\n  Marvin  01132107212D          \n\n 11 10  0  0  0  0            999 V2000\n    9.8874   -5.0785    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1745   -5.4892    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4569   -5.0822    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4569   -4.2569    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1745   -3.8423    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7430   -5.4931    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7430   -6.3223    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0299   -5.0861    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3162   -5.5007    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6032   -5.0898    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8856   -5.5044    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  3  2  1  0  0  0  0\n  3  4  1  0  0  0  0\n  3  6  1  0  0  0  0\n  4  5  1  0  0  0  0\n  6  7  2  0  0  0  0\n  6  8  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n 10 11  2  0  0  0  0\nM  END",
          "smiles": "C=CCOC(=O)C(CC)CC",
          "formula": "C9H16O2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "a8017a40-6dc9-408a-aaa3-36f142156c31"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "156.2225",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "4d534c96-b1c7-4e05-990d-77cbfc05a61e",
      "version": "5",
      "structure": {
        "id": "e8ebcc94-aed6-49b2-99b1-98cae5603c30",
        "molfile": "\n  Marvin  01132112032D          \n\n 11 10  0  0  0  0            999 V2000\n    8.4569   -5.0822    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7430   -5.4931    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0299   -5.0861    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3162   -5.5007    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6032   -5.0898    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8856   -5.5044    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7430   -6.3223    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1745   -5.4892    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.8874   -5.0785    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4569   -4.2569    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.1745   -3.8423    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  4  5  1  0  0  0  0\n  5  6  2  0  0  0  0\n  2  7  2  0  0  0  0\n  1  8  1  0  0  0  0\n  8  9  1  0  0  0  0\n  1 10  1  0  0  0  0\n 10 11  1  0  0  0  0\nM  END",
        "smiles": "C=CCOC(=O)C(CC)CC",
        "formula": "C9H16O2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "156.2225",
        "optical_activity": "NONE",
        "references": [
          "b468da72-f32f-4b56-b947-a86884a99d02",
          "2c957f1a-ba3b-4230-aa1a-6d742134e063"
        ],
        "stereo_centers": 0
      },
      "unii": "T7177XGV3Q"
    }
  ]
}