{
  "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": "ee11afd1-4a4c-4173-b790-0cc0f97adefc",
          "code": "3-METHYLPENTANOIC ACID",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=5206",
          "code_system": "JECFA EVALUATION",
          "references": [
            "c988135b-85dc-465c-9e0f-25f95dffbfa9"
          ]
        },
        {
          "uuid": "f8803866-7a28-4de6-9776-c1442f896270",
          "code": "105-43-1",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=105-43-1",
          "code_system": "CAS",
          "references": [
            "c988135b-85dc-465c-9e0f-25f95dffbfa9",
            "5e8f0040-706d-4270-87c3-19640a962ea8"
          ]
        },
        {
          "uuid": "9136e749-1763-4ac5-81bc-418a0167b675",
          "code": "203-297-7",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.002.998",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "c988135b-85dc-465c-9e0f-25f95dffbfa9"
          ]
        },
        {
          "uuid": "0c3baf4a-6744-4181-93c0-ae365af4d071",
          "code": "7755",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/7755",
          "code_system": "PUBCHEM",
          "references": [
            "c988135b-85dc-465c-9e0f-25f95dffbfa9"
          ]
        },
        {
          "uuid": "ce88d6f6-0bfc-4d54-8342-ee740c00442e",
          "code": "85FS4Y39LJ",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "ef4fbbef-dd35-0c82-72ec-08d9e6dbb46d",
          "code": "166883",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:166883",
          "code_system": "CHEBI",
          "references": [
            "db68960d-d603-4a10-951c-a19237122481"
          ]
        },
        {
          "uuid": "636f75ba-5911-12b6-3e83-481c93542802",
          "code": "DTXSID20861716",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID20861716",
          "code_system": "EPA CompTox",
          "references": [
            "db68960d-d603-4a10-951c-a19237122481"
          ]
        },
        {
          "uuid": "6afe2bc3-fdc6-0c67-20d3-a825cc16228e",
          "code": "422",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/422/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "759e4127-2beb-de3d-3558-e02823a72a80"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "a708c355-51f7-44a2-8167-b91aa1e66b81",
          "name": "(±)-3-METHYLPENTANOIC ACID",
          "stdName": "(+/-)-3-METHYLPENTANOIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b86d0c93-0e93-44eb-a296-c09362e153a7",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": false
        },
        {
          "uuid": "64adedd3-d2d4-4b21-93e8-34a2c65d92b5",
          "name": ".BETA.-METHYLVALERIC ACID",
          "stdName": ".BETA.-METHYLVALERIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dcf55851-4d0f-4db6-8804-11966e98e068",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": false
        },
        {
          "uuid": "4ae5e3c9-86f4-4141-9dd6-22c8c8114525",
          "name": "3-METHYL VALERIC ACID",
          "stdName": "3-METHYL VALERIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1adc5636-2af4-400a-970d-9305c10064eb",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": false
        },
        {
          "uuid": "9adc7f9e-042d-410a-b27d-33866f760ba1",
          "name": "3-METHYLPENTANOIC ACID",
          "stdName": "3-METHYLPENTANOIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e6e35276-7085-46ca-8d01-ea518b3741e2",
            "22310797-81de-4448-89ef-4e4d47f9847f",
            "dcf55851-4d0f-4db6-8804-11966e98e068",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": true
        },
        {
          "uuid": "6dbea9e2-3149-4ad4-b920-3b5f054a84da",
          "name": "3-METHYLPENTANOIC ACID [FHFI]",
          "stdName": "3-METHYLPENTANOIC ACID [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e6e35276-7085-46ca-8d01-ea518b3741e2",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": false
        },
        {
          "uuid": "7bf099cd-c648-47f2-b7b3-c23254f09c93",
          "name": "3-METHYLPENTANOIC ACID, (±)-",
          "stdName": "3-METHYLPENTANOIC ACID, (+/-)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b86d0c93-0e93-44eb-a296-c09362e153a7",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": false
        },
        {
          "uuid": "8d93b469-a567-44bb-83a3-6e2b93793eae",
          "name": "3-METHYLVALERIC ACID",
          "stdName": "3-METHYLVALERIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c717f86e-e6b9-49b6-a96d-0686d0db0004",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": false
        },
        {
          "uuid": "68c21e3a-2ceb-4ad3-8d95-641bbc793de8",
          "name": "BUTYLACETIC ACID, SEC-",
          "stdName": "BUTYLACETIC ACID, SEC-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dcf55851-4d0f-4db6-8804-11966e98e068",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": false
        },
        {
          "uuid": "263a7364-8cde-4502-8466-06fcfda95b6b",
          "name": "FEMA NO. 3437",
          "stdName": "FEMA NO. 3437",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dcf55851-4d0f-4db6-8804-11966e98e068",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": false
        },
        {
          "uuid": "a5f48d45-aa6e-4cf5-bfc3-1b75f7d4ef5d",
          "name": "PENTANOIC ACID, 3-METHYL-",
          "stdName": "PENTANOIC ACID, 3-METHYL-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dcf55851-4d0f-4db6-8804-11966e98e068",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": false
        },
        {
          "uuid": "d10603fa-312d-457d-9a4e-21ea5b6a0d80",
          "name": "VALERIC ACID, .BETA.-METHYL-",
          "stdName": "VALERIC ACID, .BETA.-METHYL-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b4ab38e8-b9b8-4529-8e92-314d2c2af40d",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": false
        },
        {
          "uuid": "3f8649f9-7e7a-4ec2-89c4-2c63933cc5f4",
          "name": "VALERIC ACID, 3-METHYL-",
          "stdName": "VALERIC ACID, 3-METHYL-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b4ab38e8-b9b8-4529-8e92-314d2c2af40d",
            "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "dcf55851-4d0f-4db6-8804-11966e98e068",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "eb8e9490-f3c5-48ca-b03c-e436c7cf43bd",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "1adc5636-2af4-400a-970d-9305c10064eb",
          "citation": "GRAS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b86d0c93-0e93-44eb-a296-c09362e153a7",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e6e35276-7085-46ca-8d01-ea518b3741e2",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b4ab38e8-b9b8-4529-8e92-314d2c2af40d",
          "citation": "SCIFINDER",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c717f86e-e6b9-49b6-a96d-0686d0db0004",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c988135b-85dc-465c-9e0f-25f95dffbfa9",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391009000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "5f6d76f4-3448-4458-bef8-f9712ebc47a6",
          "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": "c547d2e2-f56c-4476-934d-2168d1b3b9df",
          "citation": "SRS import [85FS4Y39LJ]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=85FS4Y39LJ",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391009000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "22310797-81de-4448-89ef-4e4d47f9847f",
          "citation": "3-METHYLPENTANOIC ACID [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "db68960d-d603-4a10-951c-a19237122481",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "5e8f0040-706d-4270-87c3-19640a962ea8",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "759e4127-2beb-de3d-3558-e02823a72a80",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "3584d740-3395-4b51-9884-1dc9079a65cb",
          "id": "3584d740-3395-4b51-9884-1dc9079a65cb",
          "molfile": "\n  Marvin  01132102512D          \n\n  8  7  0  0  0  0            999 V2000\n    8.8186   -2.4938    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1034   -2.9198    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3803   -2.5156    0.0000 C   0  0  0  0  0  0  0  0  0  3  0  0\n    7.3803   -1.6974    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6789   -2.9357    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9597   -2.5315    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9597   -1.7192    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2484   -2.9575    0.0000 O   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  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  6  8  2  0  0  0  0\nM  END",
          "smiles": "CCC(C)CC(=O)O",
          "formula": "C6H12O2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "RACEMIC",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "e1d858e7-f74a-4ba5-b10c-96f4363fd282"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "116.1585",
          "optical_activity": "( + / - )",
          "stereo_centers": 1
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "4c085319-bb39-4ae6-bac3-52b2425ce643",
      "version": "6",
      "structure": {
        "id": "3749fc33-c936-4af4-93cb-8cdde4d844bc",
        "molfile": "\n  Marvin  01132102572D          \n\n  8  7  0  0  0  0            999 V2000\n    5.9597   -1.7192    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2484   -2.9575    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8186   -2.4938    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9597   -2.5315    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3803   -1.6974    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1034   -2.9198    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6789   -2.9357    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3803   -2.5156    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  4  1  2  0  0  0  0\n  4  2  1  0  0  0  0\n  6  3  1  0  0  0  0\n  7  4  1  0  0  0  0\n  8  5  1  0  0  0  0\n  8  6  1  0  0  0  0\n  8  7  1  0  0  0  0\nM  END",
        "smiles": "CCC(C)CC(=O)O",
        "formula": "C6H12O2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "RACEMIC",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "116.1585",
        "optical_activity": "( + / - )",
        "references": [
          "c547d2e2-f56c-4476-934d-2168d1b3b9df",
          "dcf55851-4d0f-4db6-8804-11966e98e068"
        ],
        "stereo_centers": 1
      },
      "unii": "85FS4Y39LJ"
    }
  ]
}