{
  "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": "82bbd64b-6f08-4737-82e9-ef1b0fadcf1f",
          "code": "103-52-6",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=103-52-6",
          "code_system": "CAS",
          "references": [
            "a2e26391-beeb-4213-b061-baa50a0f0fc0",
            "cbafbb84-ff9e-4dec-af9b-17e7d824fea7"
          ]
        },
        {
          "uuid": "1a78700b-1739-4df1-a1d6-2f5669ce3297",
          "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": [
            "a2e26391-beeb-4213-b061-baa50a0f0fc0"
          ]
        },
        {
          "uuid": "6d46bd0f-4833-42e7-b1a4-dd829b01801d",
          "code": "PHENETHYL BUTYRATE",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=4297",
          "code_system": "JECFA EVALUATION",
          "references": [
            "a2e26391-beeb-4213-b061-baa50a0f0fc0"
          ]
        },
        {
          "uuid": "3c277ef5-54d6-4d0e-97e9-299dec5c47fd",
          "code": "203-119-8",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.002.836",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "a2e26391-beeb-4213-b061-baa50a0f0fc0"
          ]
        },
        {
          "uuid": "40cf579a-fdcb-40ab-90e2-9cbd4d29040b",
          "code": "7658",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/7658",
          "code_system": "PUBCHEM",
          "references": [
            "a2e26391-beeb-4213-b061-baa50a0f0fc0"
          ]
        },
        {
          "uuid": "6dd93997-51a3-e87c-e001-b9c619a3ae24",
          "code": "924",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/924/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "75d5c16a-dc00-1e17-71c1-76e7ab14afc4"
          ]
        },
        {
          "uuid": "4a68d1c3-fb7f-9449-0cd5-e3434e846db7",
          "code": "DTXSID6047604",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID6047604",
          "code_system": "EPA CompTox",
          "references": [
            "109dda5f-04dd-1c18-87eb-c1f3c982b35b"
          ]
        },
        {
          "uuid": "86ea0c3e-00ff-4591-8e1a-220da3e04479",
          "code": "02E08ZN98R",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "0ee1f2db-541f-5b53-2784-851c499cc3ff",
          "code": "87413",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:87413",
          "code_system": "CHEBI",
          "references": [
            "951a0b3a-8458-aeda-8a10-424e5affa4eb"
          ]
        },
        {
          "uuid": "618a5e31-640e-3270-e073-b3336bd75d1b",
          "code": "1271",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=1271",
          "code_system": "NSC",
          "references": [
            "0400845f-5855-8042-2379-fbd8e85b0dbb"
          ]
        },
        {
          "uuid": "5c811dd0-3194-2e5f-c589-b11772464933",
          "code": "406207",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=406207",
          "code_system": "NSC",
          "references": [
            "0400845f-5855-8042-2379-fbd8e85b0dbb"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "166bb6c2-7a4d-4971-983c-472a99e3d2a6",
          "name": "2-PHENETHYL BUTANOATE",
          "stdName": "2-PHENETHYL BUTANOATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
            "e9f4d091-f45e-4ddb-b900-8363f140cd87"
          ],
          "display_name": false
        },
        {
          "uuid": "f1b02cf6-c19c-44d3-a2c6-7f66e5124987",
          "name": "2-PHENYLETHYL BUTANOATE",
          "stdName": "2-PHENYLETHYL BUTANOATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
            "e9f4d091-f45e-4ddb-b900-8363f140cd87"
          ],
          "display_name": false
        },
        {
          "uuid": "b535bb3a-5760-49d7-bc6e-df564e495644",
          "name": "2-PHENYLETHYL BUTYRATE",
          "stdName": "2-PHENYLETHYL BUTYRATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
            "e9f4d091-f45e-4ddb-b900-8363f140cd87"
          ],
          "display_name": false
        },
        {
          "uuid": "9b2b8fd7-ed1b-4d14-9117-31e352703e84",
          "name": "BENZYLCARBINYL BUTYRATE",
          "stdName": "BENZYLCARBINYL BUTYRATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
            "2319ef21-d30f-4c9e-ac3c-d577751aa455"
          ],
          "display_name": false
        },
        {
          "uuid": "f645b978-9b04-4da7-8661-14e652a0058d",
          "name": "BUTANOIC ACID, 2-PHENYLETHYL ESTER",
          "stdName": "BUTANOIC ACID, 2-PHENYLETHYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
            "e9f4d091-f45e-4ddb-b900-8363f140cd87"
          ],
          "display_name": false
        },
        {
          "uuid": "44f02ec2-3afa-4d43-a6db-4537b60a253f",
          "name": "BUTYRIC ACID, PHENETHYL ESTER",
          "stdName": "BUTYRIC ACID, PHENETHYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
            "e9f4d091-f45e-4ddb-b900-8363f140cd87"
          ],
          "display_name": false
        },
        {
          "uuid": "380fc132-8a3f-44bd-a348-ba13116a7705",
          "name": "FEMA NO. 2861",
          "stdName": "FEMA NO. 2861",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
            "e9f4d091-f45e-4ddb-b900-8363f140cd87"
          ],
          "display_name": false
        },
        {
          "uuid": "c081e29a-27c8-4f4b-92e4-08c0deb2081a",
          "name": "NSC-1271",
          "stdName": "NSC-1271",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
            "e9f4d091-f45e-4ddb-b900-8363f140cd87"
          ],
          "display_name": false
        },
        {
          "uuid": "5fcadeb1-d7c2-4d8d-8350-b526f2bf1a1a",
          "name": "NSC-406207",
          "stdName": "NSC-406207",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
            "2319ef21-d30f-4c9e-ac3c-d577751aa455"
          ],
          "display_name": false
        },
        {
          "uuid": "4366adb0-1827-4c52-85d7-37a669c33631",
          "name": "PHENETHYL BUTYRATE",
          "stdName": "PHENETHYL BUTYRATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ceab7a02-63d5-4a18-b999-8e5301561edc",
            "c7c8dec2-c1de-4b9a-8d0d-c9e5d59fcfa8",
            "75515489-d874-4854-b557-c81e2be41161",
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd"
          ],
          "display_name": true
        },
        {
          "uuid": "f1da3f74-d28e-4d92-b5ad-1a2faad84d25",
          "name": "PHENETHYL BUTYRATE [FHFI]",
          "stdName": "PHENETHYL BUTYRATE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ceab7a02-63d5-4a18-b999-8e5301561edc",
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd"
          ],
          "display_name": false
        },
        {
          "uuid": "a7ecedae-c131-4c08-a861-f0a5c0cd7afd",
          "name": "PHENYLETHYL BUTYRATE",
          "stdName": "PHENYLETHYL BUTYRATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
            "43f676ff-2827-4703-a5c2-65923146f89f",
            "e388abda-9aa3-4be3-ad6b-8a81ca7c4e74"
          ],
          "display_name": false
        },
        {
          "uuid": "5e2a385b-f283-4706-955d-05b82beb1d4f",
          "name": "PHENYLETHYL BUTYRATE [FCC]",
          "stdName": "PHENYLETHYL BUTYRATE [FCC]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
            "e388abda-9aa3-4be3-ad6b-8a81ca7c4e74"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "e9f4d091-f45e-4ddb-b900-8363f140cd87",
          "citation": "ChemID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "5a2b5d61-3562-46a8-9801-c0de1621c7cd",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c7c8dec2-c1de-4b9a-8d0d-c9e5d59fcfa8",
          "citation": "JECFA",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e388abda-9aa3-4be3-ad6b-8a81ca7c4e74",
          "citation": "FCC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ceab7a02-63d5-4a18-b999-8e5301561edc",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2319ef21-d30f-4c9e-ac3c-d577751aa455",
          "citation": "SCIFINDER",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a2e26391-beeb-4213-b061-baa50a0f0fc0",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493389654000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c3fc4cbc-52fc-4bc2-bb39-e956669c04ae",
          "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": "914aecf0-5bdd-4a87-a207-1f6b08481a17",
          "citation": "SRS import [02E08ZN98R]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=02E08ZN98R",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493389654000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "75515489-d874-4854-b557-c81e2be41161",
          "citation": "PHENETHYL BUTYRATE [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "43f676ff-2827-4703-a5c2-65923146f89f",
          "citation": "PHENYLETHYL BUTYRATE [FCC]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "109dda5f-04dd-1c18-87eb-c1f3c982b35b",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=103-52-6",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "951a0b3a-8458-aeda-8a10-424e5affa4eb",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "cbafbb84-ff9e-4dec-af9b-17e7d824fea7",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "0400845f-5855-8042-2379-fbd8e85b0dbb",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "75d5c16a-dc00-1e17-71c1-76e7ab14afc4",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "7e569d01-0291-428e-9917-bf30486994a5",
          "id": "7e569d01-0291-428e-9917-bf30486994a5",
          "molfile": "\n  Marvin  01132106342D          \n\n 14 14  0  0  0  0            999 V2000\n    9.2794   -3.3685    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.5650   -2.9560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.8505   -3.3685    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1360   -2.9560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1360   -2.1310    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.4215   -3.3685    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7071   -2.9560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9927   -3.3685    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2782   -2.9560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5638   -3.3685    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8493   -2.9560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8493   -2.1310    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5638   -1.7185    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2782   -2.1310    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  4  3  1  0  0  0  0\n  4  5  2  0  0  0  0\n  6  4  1  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n  8  9  1  0  0  0  0\n 10  9  1  0  0  0  0\n 14  9  2  0  0  0  0\n 11 10  2  0  0  0  0\n 11 12  1  0  0  0  0\n 12 13  2  0  0  0  0\n 13 14  1  0  0  0  0\nM  END",
          "smiles": "CCCC(=O)OCCc1ccccc1",
          "formula": "C12H16O2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "bab4199c-a74d-40dc-a9b4-e2d91029dac6"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "192.2547",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "3e745d59-aef7-4984-9709-ae8d5d7a4c07",
      "version": "7",
      "structure": {
        "id": "b2375594-846a-42a3-89f2-feb2a5655beb",
        "molfile": "\n  Marvin  01132109142D          \n\n 14 14  0  0  0  0            999 V2000\n    4.2782   -2.9560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9927   -3.3685    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7071   -2.9560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.4215   -3.3685    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1360   -2.9560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.8505   -3.3685    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.5650   -2.9560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.2794   -3.3685    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1360   -2.1310    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5638   -3.3685    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8493   -2.9560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8493   -2.1310    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5638   -1.7185    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2782   -2.1310    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  4  3  1  0  0  0  0\n  4  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  1  0  0  0  0\n  5  9  2  0  0  0  0\n 10  1  1  0  0  0  0\n 11 10  2  0  0  0  0\n 11 12  1  0  0  0  0\n 12 13  2  0  0  0  0\n 13 14  1  0  0  0  0\n 14  1  2  0  0  0  0\nM  END",
        "smiles": "CCCC(=O)OCCc1ccccc1",
        "formula": "C12H16O2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "192.2547",
        "optical_activity": "NONE",
        "references": [
          "c7c8dec2-c1de-4b9a-8d0d-c9e5d59fcfa8",
          "914aecf0-5bdd-4a87-a207-1f6b08481a17"
        ],
        "stereo_centers": 0
      },
      "unii": "02E08ZN98R"
    }
  ]
}