{
  "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": "54197929-1167-42dd-bc9e-280794d785cf",
          "code": "7779-81-9",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=7779-81-9",
          "code_system": "CAS",
          "references": [
            "1e643c9b-3617-41c9-a5c9-8978b842cece",
            "d43472be-f6f9-4daf-b88f-fce93a7107af"
          ]
        },
        {
          "uuid": "0e83f9fb-653e-46c4-98dd-980c30017216",
          "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": [
            "1e643c9b-3617-41c9-a5c9-8978b842cece"
          ]
        },
        {
          "uuid": "556ac262-6d47-44c2-8ea9-2f02dbc4b759",
          "code": "ISOBUTYL ANGELATE",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=4051",
          "code_system": "JECFA EVALUATION",
          "references": [
            "1e643c9b-3617-41c9-a5c9-8978b842cece"
          ]
        },
        {
          "uuid": "f8581a56-b4db-4b59-9df2-0f15691f7604",
          "code": "231-941-7",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.029.037",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "1e643c9b-3617-41c9-a5c9-8978b842cece"
          ]
        },
        {
          "uuid": "833ef406-a5f0-470f-9b14-435528c69d22",
          "code": "5367807",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/5367807",
          "code_system": "PUBCHEM",
          "references": [
            "1e643c9b-3617-41c9-a5c9-8978b842cece"
          ]
        },
        {
          "uuid": "35618eb0-644b-f836-a1a7-7be75d5127df",
          "code": "DTXSID40884422",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID40884422",
          "code_system": "EPA CompTox"
        },
        {
          "uuid": "6d05b201-1d9a-49d9-9b11-1c6bc9f114b2",
          "code": "7OR98SJS39",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "e84b3fc7-960a-abed-52d7-ef6217e9d80b",
          "code": "1222",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/1222/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "1cb1ce17-6fbb-8628-3b91-c0e1690e8b0d"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "6b05a6c6-30cd-4ac3-82a6-15d6426aad0e",
          "name": "(Z)-ISOBUTYL 2-METHYLBUT-2-ENOATE",
          "stdName": "(Z)-ISOBUTYL 2-METHYLBUT-2-ENOATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "abeb69b5-290b-4929-ac7e-0f210de1ffb8"
          ],
          "display_name": false
        },
        {
          "uuid": "0b9cc97f-0034-4c34-acff-d4b2bf25a237",
          "name": "2-BUTENOIC ACID, 2-METHYL-, 2-METHYLPROPYL ESTER, (2Z)-",
          "stdName": "2-BUTENOIC ACID, 2-METHYL-, 2-METHYLPROPYL ESTER, (2Z)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "abeb69b5-290b-4929-ac7e-0f210de1ffb8"
          ],
          "display_name": false
        },
        {
          "uuid": "cccabd39-77d8-4992-b569-f2affc7b1695",
          "name": "2-BUTENOIC ACID, 2-METHYL-, 2-METHYLPROPYL ESTER, (Z)-",
          "stdName": "2-BUTENOIC ACID, 2-METHYL-, 2-METHYLPROPYL ESTER, (Z)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "abeb69b5-290b-4929-ac7e-0f210de1ffb8"
          ],
          "display_name": false
        },
        {
          "uuid": "3fd53849-b17f-40dd-974d-3bca5abc7db4",
          "name": "2-METHYLPROPYL 2-METHYL-2-BUTENOATE, (Z)-",
          "stdName": "2-METHYLPROPYL 2-METHYL-2-BUTENOATE, (Z)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e8268139-82ac-497a-8a8b-ca00a542ff84"
          ],
          "display_name": false
        },
        {
          "uuid": "27e48bd8-85ad-4449-b2eb-ee5534102afb",
          "name": "ANGELIC ACID, ISOBUTYL ESTER",
          "stdName": "ANGELIC ACID, ISOBUTYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "abeb69b5-290b-4929-ac7e-0f210de1ffb8"
          ],
          "display_name": false
        },
        {
          "uuid": "96f593d5-c78e-4e90-9f9a-55366414a429",
          "name": "CROTONIC ACID, 2-METHYL-, ISOBUTYL ESTER, (Z)-",
          "stdName": "CROTONIC ACID, 2-METHYL-, ISOBUTYL ESTER, (Z)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "abeb69b5-290b-4929-ac7e-0f210de1ffb8"
          ],
          "display_name": false
        },
        {
          "uuid": "fc30cc79-7d53-4d7e-938c-fc2d7e003539",
          "name": "FEMA NO. 2180",
          "stdName": "FEMA NO. 2180",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e8268139-82ac-497a-8a8b-ca00a542ff84"
          ],
          "display_name": false
        },
        {
          "uuid": "60b7f2cd-79d2-4f62-85e0-517cb6f5d5d0",
          "name": "ISOBUTYL ANGELATE",
          "stdName": "ISOBUTYL ANGELATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "fd6145a7-67a3-44b0-b731-669609f3be6b",
            "f80812a7-f169-4909-9472-3fad33dc0500",
            "94395c8d-3c5b-40cf-a584-1a6f2a896b43"
          ],
          "display_name": true
        },
        {
          "uuid": "d56d2af2-f69c-4ab4-9a9c-92b56936b0ad",
          "name": "ISOBUTYL ANGELATE [FHFI]",
          "stdName": "ISOBUTYL ANGELATE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "f80812a7-f169-4909-9472-3fad33dc0500"
          ],
          "display_name": false
        },
        {
          "uuid": "d11b091d-ed36-4712-9fb5-22a8a65f5101",
          "name": "ISOBUTYL CIS-2-METHYL-2-BUTENOATE",
          "stdName": "ISOBUTYL CIS-2-METHYL-2-BUTENOATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "abeb69b5-290b-4929-ac7e-0f210de1ffb8"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "fd6145a7-67a3-44b0-b731-669609f3be6b",
          "citation": "GRAS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "abeb69b5-290b-4929-ac7e-0f210de1ffb8",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e8268139-82ac-497a-8a8b-ca00a542ff84",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "f80812a7-f169-4909-9472-3fad33dc0500",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "1e643c9b-3617-41c9-a5c9-8978b842cece",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391029000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "98d8347c-6c59-4121-85ef-cb87146e3efd",
          "citation": "SRS import [7OR98SJS39]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=7OR98SJS39",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391029000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "94395c8d-3c5b-40cf-a584-1a6f2a896b43",
          "citation": "ISOBUTYL ANGELATE [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "953e989a-5dec-029d-6a7b-e629f5ecc08a",
          "citation": "PCPC",
          "doc_type": "PERSONAL CARE PRODUCTS COUNCIL",
          "public_domain": true
        },
        {
          "uuid": "d43472be-f6f9-4daf-b88f-fce93a7107af",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "1cb1ce17-6fbb-8628-3b91-c0e1690e8b0d",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "2e403b9a-a8c5-4dbb-b068-934d0a282dd9",
          "id": "2e403b9a-a8c5-4dbb-b068-934d0a282dd9",
          "molfile": "\n  Marvin  01132102292D          \n\n 11 10  0  0  0  0            999 V2000\n    3.3312   -1.4188    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.3312   -2.2438    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.0457   -2.6563    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.0457   -3.4813    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.7601   -2.2438    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.7601   -1.4188    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.4746   -2.6563    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.4746   -3.4813    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.1891   -3.8938    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.1891   -4.7188    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9036   -3.4813    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  2  0  0  0  0\n  3  4  1  0  0  0  0\n  5  3  1  0  0  0  0\n  5  6  2  0  0  0  0\n  5  7  1  0  0  0  0\n  7  8  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": "C/C=C(/C)\\C(=O)OCC(C)C",
          "formula": "C9H16O2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "45afe668-40c9-4a3a-a113-9579f58cfc78"
          },
          "defined_stereo": 0,
          "ez_centers": 1,
          "molecular_weight": "156.2225",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "cb937e8f-d13e-434c-b23a-0074fa3a6f09",
      "version": "5",
      "structure": {
        "id": "b627d50b-af2d-40a8-8bab-af19f536be38",
        "molfile": "\n  Marvin  01132109262D          \n\n 11 10  0  0  0  0            999 V2000\n    4.7601   -2.2438    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.7601   -1.4188    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.0457   -2.6563    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.0457   -3.4813    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.3312   -2.2438    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.3312   -1.4188    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.4746   -2.6563    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.4746   -3.4813    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.1891   -3.8938    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.1891   -4.7188    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9036   -3.4813    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  2  0  0  0  0\n  1  3  1  0  0  0  0\n  3  4  1  0  0  0  0\n  3  5  2  0  0  0  0\n  5  6  1  0  0  0  0\n  1  7  1  0  0  0  0\n  7  8  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": "C/C=C(/C)\\C(=O)OCC(C)C",
        "formula": "C9H16O2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 1,
        "molecular_weight": "156.2225",
        "optical_activity": "NONE",
        "references": [
          "98d8347c-6c59-4121-85ef-cb87146e3efd",
          "abeb69b5-290b-4929-ac7e-0f210de1ffb8"
        ],
        "stereo_centers": 0
      },
      "unii": "7OR98SJS39"
    }
  ]
}