{
  "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": "86e5eb61-eabf-4d36-bd75-1a10aead0477",
          "code": "m6461",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m6461?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "b9e4e97f-ed54-47aa-8b50-93523fbfada0"
          ]
        },
        {
          "uuid": "e4c1886f-0e7a-469a-9916-82ec34c0bbcd",
          "code": "11514",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/11514",
          "code_system": "PUBCHEM",
          "references": [
            "b9e4e97f-ed54-47aa-8b50-93523fbfada0"
          ]
        },
        {
          "uuid": "e71aeef6-e789-469f-b691-2503630e6185",
          "code": "589-59-3",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=589-59-3",
          "code_system": "CAS",
          "references": [
            "b9e4e97f-ed54-47aa-8b50-93523fbfada0",
            "b26317ba-bd8a-4009-bf4c-8cac9d03ba8b"
          ]
        },
        {
          "uuid": "091f86c3-9b28-4809-974e-e8ee2e7233e6",
          "code": "209-653-8",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.008.777",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "b9e4e97f-ed54-47aa-8b50-93523fbfada0"
          ]
        },
        {
          "uuid": "117ce424-5d39-26f3-80f1-3732d034015a",
          "code": "DTXSID5060431",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID5060431",
          "code_system": "EPA CompTox",
          "references": [
            "266e86a1-28ef-472e-6deb-8afab47f63c6"
          ]
        },
        {
          "uuid": "86a56bbc-6c75-4539-9962-c9e4406e5a25",
          "code": "6VCJ0UB168",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "6701bd37-d50a-dbd3-a9dc-b8fa6604f9c9",
          "code": "6993",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=6993",
          "code_system": "NSC",
          "references": [
            "3b503688-ede6-4ee6-cdb8-f391f533519a"
          ]
        },
        {
          "uuid": "63fe6155-8cb5-5952-4755-f8b66c99b15c",
          "code": "194",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/194/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "b2e337ea-134b-5263-0ba5-7e917482406b"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "4218ef82-33c4-4cb9-a8c6-6beecd39753d",
          "name": "2-METHYL PROPYL 3-METHYL BUTYRATE",
          "stdName": "2-METHYL PROPYL 3-METHYL BUTYRATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "37464227-2ff2-4abb-bc1a-5f7b63321dde",
            "736765c4-2e5b-4d2c-9f8c-a384796415a1",
            "9d6060cc-27b7-47e5-b8ca-40967ed4d7a2"
          ],
          "display_name": false
        },
        {
          "uuid": "e6c1d399-bfde-4092-9fdb-db1ba13acac8",
          "name": "2-METHYL PROPYL 3-METHYL BUTYRATE [FCC]",
          "stdName": "2-METHYL PROPYL 3-METHYL BUTYRATE [FCC]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "37464227-2ff2-4abb-bc1a-5f7b63321dde",
            "9d6060cc-27b7-47e5-b8ca-40967ed4d7a2"
          ],
          "display_name": false
        },
        {
          "uuid": "385da38c-077d-493c-838a-edd8b694874e",
          "name": "2-METHYLPROPYL 3-METHYLBUTYRATE",
          "stdName": "2-METHYLPROPYL 3-METHYLBUTYRATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "de8c9efe-41ac-4be0-8abb-9e12d6a293e1",
            "b2b2f71d-58dd-4c96-acab-60bbf8125558",
            "b9b306c6-3252-46e6-9429-04156560ef28",
            "9d6060cc-27b7-47e5-b8ca-40967ed4d7a2"
          ],
          "display_name": false
        },
        {
          "uuid": "37af2596-b003-4bee-b5a0-4ed0b60aaf9a",
          "name": "2-METHYLPROPYL 3-METHYLBUTYRATE [FHFI]",
          "stdName": "2-METHYLPROPYL 3-METHYLBUTYRATE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b9b306c6-3252-46e6-9429-04156560ef28",
            "9d6060cc-27b7-47e5-b8ca-40967ed4d7a2"
          ],
          "display_name": false
        },
        {
          "uuid": "c0e27cad-f031-487d-aad8-416fa10b6afd",
          "name": "BUTANOIC ACID, 3-METHYL-, 2-METHYLPROPYL ESTER",
          "stdName": "BUTANOIC ACID, 3-METHYL-, 2-METHYLPROPYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b2b2f71d-58dd-4c96-acab-60bbf8125558",
            "9d6060cc-27b7-47e5-b8ca-40967ed4d7a2"
          ],
          "display_name": false
        },
        {
          "uuid": "debd2631-1a07-49ca-9e79-311972762fcf",
          "name": "FEMA NO. 3369",
          "stdName": "FEMA NO. 3369",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2ce042bf-9f09-4156-98dc-19340cfcaa44"
          ],
          "display_name": false
        },
        {
          "uuid": "517c8cd5-f25d-4198-b3d3-588dbcc9bc20",
          "name": "ISOBUTYL ISOVALERATE",
          "stdName": "ISOBUTYL ISOVALERATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "45627a4b-8aab-41bd-ada4-b2d0a4514017",
            "f274ea2a-a3b5-4b73-a4af-41f6dca646b6",
            "b2b2f71d-58dd-4c96-acab-60bbf8125558",
            "9d6060cc-27b7-47e5-b8ca-40967ed4d7a2"
          ],
          "display_name": true
        },
        {
          "uuid": "1bfaab02-32ae-4ce1-8af3-c0a164fe16b2",
          "name": "ISOBUTYL ISOVALERATE [MI]",
          "stdName": "ISOBUTYL ISOVALERATE [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "f274ea2a-a3b5-4b73-a4af-41f6dca646b6",
            "9d6060cc-27b7-47e5-b8ca-40967ed4d7a2"
          ],
          "display_name": false
        },
        {
          "uuid": "06e368d8-8895-408c-8b3e-f712085dc9b4",
          "name": "ISOVALERIC ACID, ISOBUTYL ESTER",
          "stdName": "ISOVALERIC ACID, ISOBUTYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b2b2f71d-58dd-4c96-acab-60bbf8125558",
            "9d6060cc-27b7-47e5-b8ca-40967ed4d7a2"
          ],
          "display_name": false
        },
        {
          "uuid": "3fb9a377-88b6-42ce-a616-d71df2b20852",
          "name": "NSC-6993",
          "stdName": "NSC-6993",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b2b2f71d-58dd-4c96-acab-60bbf8125558",
            "9d6060cc-27b7-47e5-b8ca-40967ed4d7a2"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "2ce042bf-9f09-4156-98dc-19340cfcaa44",
          "citation": "CHEMID 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "b2b2f71d-58dd-4c96-acab-60bbf8125558",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "9d6060cc-27b7-47e5-b8ca-40967ed4d7a2",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "f274ea2a-a3b5-4b73-a4af-41f6dca646b6",
          "citation": "MERCK INDEX",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "37464227-2ff2-4abb-bc1a-5f7b63321dde",
          "citation": "FCC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b9b306c6-3252-46e6-9429-04156560ef28",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b9e4e97f-ed54-47aa-8b50-93523fbfada0",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390931000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "26c0d4ba-a920-4a37-bbab-aeb727d54cde",
          "citation": "SRS import [6VCJ0UB168]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=6VCJ0UB168",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390931000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "45627a4b-8aab-41bd-ada4-b2d0a4514017",
          "citation": "ISOBUTYL ISOVALERATE [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "de8c9efe-41ac-4be0-8abb-9e12d6a293e1",
          "citation": "2-METHYLPROPYL 3-METHYLBUTYRATE [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "736765c4-2e5b-4d2c-9f8c-a384796415a1",
          "citation": "2-METHYL PROPYL 3-METHYL BUTYRATE [FCC]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "266e86a1-28ef-472e-6deb-8afab47f63c6",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=589-59-3",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "3b503688-ede6-4ee6-cdb8-f391f533519a",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "b26317ba-bd8a-4009-bf4c-8cac9d03ba8b",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "b2e337ea-134b-5263-0ba5-7e917482406b",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "12238270-d9b3-4a1b-ae23-5f587ceab8fa",
          "id": "12238270-d9b3-4a1b-ae23-5f587ceab8fa",
          "molfile": "\n  Marvin  01132101092D          \n\n 11 10  0  0  0  0            999 V2000\n    9.4861   -4.8761    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7715   -5.2887    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7715   -6.1138    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.0570   -4.8764    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3430   -5.2887    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6284   -4.8762    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6284   -4.0512    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9138   -5.2887    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1999   -4.8762    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4860   -5.2887    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1999   -4.0512    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  5  4  1  0  0  0  0\n  5  6  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  9 11  1  0  0  0  0\nM  END",
          "smiles": "CC(C)CC(=O)OCC(C)C",
          "formula": "C9H18O2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "bcaa68b2-fb5d-49a1-9afe-cee2303fc81e"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "158.2384",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "e0d98930-52b7-4b7a-8633-db269858d464",
      "version": "5",
      "structure": {
        "id": "4da466b0-2939-4778-8ba5-a55a6494a79c",
        "molfile": "\n  Marvin  01132104032D          \n\n 11 10  0  0  0  0            999 V2000\n    7.3430   -5.2887    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6284   -4.8762    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9138   -5.2887    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1999   -4.8762    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4860   -5.2887    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1999   -4.0512    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6284   -4.0512    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.0570   -4.8764    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7715   -5.2887    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.4861   -4.8761    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7715   -6.1138    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  4  6  1  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  9 10  1  0  0  0  0\n  9 11  1  0  0  0  0\nM  END",
        "smiles": "CC(C)CC(=O)OCC(C)C",
        "formula": "C9H18O2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "158.2384",
        "optical_activity": "NONE",
        "references": [
          "26c0d4ba-a920-4a37-bbab-aeb727d54cde",
          "2ce042bf-9f09-4156-98dc-19340cfcaa44"
        ],
        "stereo_centers": 0
      },
      "unii": "6VCJ0UB168"
    }
  ]
}