{
  "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": "27f72d35-edfc-4367-b878-1edede818199",
          "code": "2-OXO-3-PHENYLPROPIONIC ACID",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=5393",
          "code_system": "JECFA EVALUATION",
          "references": [
            "57a35f72-f902-4ba5-8fbf-103a0777c2ce"
          ]
        },
        {
          "uuid": "d2d2063a-699b-4ede-b977-177944892e3d",
          "code": "156-06-9",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=156-06-9",
          "code_system": "CAS",
          "references": [
            "57a35f72-f902-4ba5-8fbf-103a0777c2ce",
            "d0a6e33c-adcb-4f8d-9b4e-8fefb1511093"
          ]
        },
        {
          "uuid": "9cd62d8d-a597-491a-bb2a-ee2715bd55cc",
          "code": "C031606",
          "type": "PRIMARY",
          "url": "http://www.ncbi.nlm.nih.gov/mesh/67031606",
          "code_system": "MESH",
          "references": [
            "57a35f72-f902-4ba5-8fbf-103a0777c2ce"
          ]
        },
        {
          "uuid": "76b25592-9838-4b67-91c0-9da43210a41c",
          "code": "PHENYLPYRUVIC ACID",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/Phenylpyruvic_acid",
          "code_system": "WIKIPEDIA",
          "references": [
            "57a35f72-f902-4ba5-8fbf-103a0777c2ce"
          ]
        },
        {
          "uuid": "0d6a409b-09e1-40ed-9eb3-583ab35e49eb",
          "code": "205-847-1",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.005.317",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "57a35f72-f902-4ba5-8fbf-103a0777c2ce"
          ]
        },
        {
          "uuid": "2fd79972-5f74-4f66-9cb5-01d04bc16d3f",
          "code": "997",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/997",
          "code_system": "PUBCHEM",
          "references": [
            "57a35f72-f902-4ba5-8fbf-103a0777c2ce"
          ]
        },
        {
          "uuid": "ec60015d-657d-2bc0-e733-e5692aed9cb1",
          "code": "DTXSID1042281",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID1042281",
          "code_system": "EPA CompTox",
          "references": [
            "19105609-b0cf-31a2-471a-b7dd94aaa346"
          ]
        },
        {
          "uuid": "fb568f51-693a-b691-6497-bd23862c31fd",
          "code": "DB03884",
          "type": "PRIMARY",
          "url": "https://go.drugbank.com/drugs/DB03884",
          "code_system": "DRUG BANK",
          "references": [
            "835ac68c-225b-48d6-56c8-304c2f92a12e"
          ]
        },
        {
          "uuid": "66ec0ae8-72f5-4c55-bddd-b09126622611",
          "code": "X7CO62M413",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "3314291e-7b6e-fdf6-5923-97072582fdf8",
          "code": "30851",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:30851",
          "code_system": "CHEBI",
          "references": [
            "835ac68c-225b-48d6-56c8-304c2f92a12e"
          ]
        },
        {
          "uuid": "70e9bdd1-f81a-d33a-6c2f-99a781f8f895",
          "code": "300000039304",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "3abdd69c-9e54-24ef-8c32-2160387385b3"
          ]
        },
        {
          "uuid": "eab7c479-7d9f-b905-94a5-27964a3c4780",
          "code": "1467",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/1467/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "50568303-8731-9f50-6e16-e778ad3941bd"
          ]
        },
        {
          "uuid": "d7e17bb5-c837-a9d9-2d38-eb042a9cbeec",
          "code": "1466",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/1466/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "50568303-8731-9f50-6e16-e778ad3941bd"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "ae0e3c98-a86f-414f-946a-91d265dd9110",
          "amount": {
            "uuid": "80a42256-8071-48c0-88a4-823afe5d591a"
          },
          "type": "SALT/SOLVATE->PARENT",
          "related_substance": {
            "uuid": "285a74e4-e8ec-42e0-841a-186af193b4b7",
            "refuuid": "ad12715e-6266-4835-ad6f-6fe254858947",
            "name": "CALCIUM 2-OXO-3-PHENYLPROPIONATE",
            "unii": "7V9Q5UU79A",
            "linking_id": "7V9Q5UU79A",
            "ref_pname": "CALCIUM 2-OXO-3-PHENYLPROPIONATE",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "459fec76-0d26-4363-bc54-03b8db42b65f",
          "name": ".ALPHA.-OXOBENZENEPROPANOIC ACID",
          "stdName": ".ALPHA.-OXOBENZENEPROPANOIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c647cce5-cb5e-49a4-ac73-e14bde5dd65e",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "8afe82f3-1ebb-48d9-b0ce-df5237fa7462",
          "name": ".BETA.-PHENYLPYRUVIC ACID",
          "stdName": ".BETA.-PHENYLPYRUVIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c647cce5-cb5e-49a4-ac73-e14bde5dd65e",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "a18d9c77-239c-4e0f-bf72-71f308a582c1",
          "name": "2-OXO-3-PHENYLPROPANOIC ACID",
          "stdName": "2-OXO-3-PHENYLPROPANOIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c647cce5-cb5e-49a4-ac73-e14bde5dd65e",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "5f13b861-5475-40f6-87cf-96a30587fbbf",
          "name": "2-OXO-3-PHENYLPROPIONIC ACID",
          "stdName": "2-OXO-3-PHENYLPROPIONIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7034b9e1-6067-41c9-893f-1b00496a15e0",
            "c647cce5-cb5e-49a4-ac73-e14bde5dd65e",
            "b96924fc-dc99-4cfe-ba08-144ca77ab27b",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "2fed8c9d-3428-4aa8-8a5b-8fbb1f71b544",
          "name": "2-OXO-3-PHENYLPROPIONIC ACID [FHFI]",
          "stdName": "2-OXO-3-PHENYLPROPIONIC ACID [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7034b9e1-6067-41c9-893f-1b00496a15e0",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "a60ec506-b5ca-489f-b038-c4100191f8a2",
          "name": "3-PHENYL-2-OXO PROPIONIC ACID",
          "stdName": "3-PHENYL-2-OXO PROPIONIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bea34a89-c635-45ed-8262-fd66c7c256a0",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "4663ea78-4482-4af0-a4e4-ac2eab2d91fc",
          "name": "3-PHENYL-2-OXOPROPANOIC ACID",
          "stdName": "3-PHENYL-2-OXOPROPANOIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c647cce5-cb5e-49a4-ac73-e14bde5dd65e",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "515c282a-4791-4068-9c78-aca612793f8b",
          "name": "ALPHA-KETO-PHENYLALANINE",
          "stdName": "ALPHA-KETO-PHENYLALANINE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "8af816c3-09be-4d31-98ff-14c193bf5f3e",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "6f1c93a8-6cfc-4a15-90b4-5c3b70f00a68",
          "name": "ALPHA-KETOPHENYLALANINE",
          "stdName": "ALPHA-KETOPHENYLALANINE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b34145a0-3fdc-498c-9847-af9a84c854d9"
          ],
          "display_name": false
        },
        {
          "uuid": "2042238b-936f-4b00-a7f7-a7e025c3dbe9",
          "name": "BENZENEPROPANOIC ACID, .ALPHA.-OXO-",
          "stdName": "BENZENEPROPANOIC ACID, .ALPHA.-OXO-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c647cce5-cb5e-49a4-ac73-e14bde5dd65e",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "97135c3d-6518-4d8e-bf35-acb81b18edd1",
          "name": "FEMA NO. 3892",
          "stdName": "FEMA NO. 3892",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7034b9e1-6067-41c9-893f-1b00496a15e0",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "96aea6dc-56f3-4596-9881-e8329b2588af",
          "name": "PHENYLPYRORACEMIC ACID",
          "stdName": "PHENYLPYRORACEMIC ACID",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c647cce5-cb5e-49a4-ac73-e14bde5dd65e",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "eb5514aa-07cc-4f3e-a697-8fc3c4fb9efe",
          "name": "PHENYLPYRUVIC ACID",
          "stdName": "PHENYLPYRUVIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "62ebc667-ef88-4624-b543-36c355f57482",
            "9776f3be-b031-4dea-8a35-83c3db222158",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff",
            "3520d520-e450-42c9-823c-b6b3e51faabd"
          ],
          "display_name": true
        },
        {
          "uuid": "0eab0907-76c1-4de2-a6ff-9d8428acd06e",
          "name": "PYRUVIC ACID, PHENYL-",
          "stdName": "PYRUVIC ACID, PHENYL-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c647cce5-cb5e-49a4-ac73-e14bde5dd65e",
            "4c3a98d0-b76e-4101-b2c1-6841010105ff"
          ],
          "display_name": false
        },
        {
          "uuid": "d4216146-7886-c35a-4f90-63261ff367fe",
          "name": "Phenylpyruvic acid [WHO-DD]",
          "stdName": "PHENYLPYRUVIC ACID [WHO-DD]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2b325398-a83d-ac83-ace9-3f70870d30d3"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "62ebc667-ef88-4624-b543-36c355f57482",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "4c3a98d0-b76e-4101-b2c1-6841010105ff",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c647cce5-cb5e-49a4-ac73-e14bde5dd65e",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "7034b9e1-6067-41c9-893f-1b00496a15e0",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "9776f3be-b031-4dea-8a35-83c3db222158",
          "citation": "WHO-DD",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "8af816c3-09be-4d31-98ff-14c193bf5f3e",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "bea34a89-c635-45ed-8262-fd66c7c256a0",
          "citation": "SWISS MEDIC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "57a35f72-f902-4ba5-8fbf-103a0777c2ce",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390166000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "01a787c8-5c18-4646-8498-37f91e432387",
          "citation": "SRS import [X7CO62M413]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=X7CO62M413",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390166000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b96924fc-dc99-4cfe-ba08-144ca77ab27b",
          "citation": "2-OXO-3-PHENYLPROPIONIC ACID [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "3520d520-e450-42c9-823c-b6b3e51faabd",
          "citation": "PHENYLPYRUVIC ACID [WHO-DD]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "19105609-b0cf-31a2-471a-b7dd94aaa346",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=156-06-9",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "835ac68c-225b-48d6-56c8-304c2f92a12e",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "d0a6e33c-adcb-4f8d-9b4e-8fefb1511093",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "2b325398-a83d-ac83-ace9-3f70870d30d3",
          "citation": "WHO-DD",
          "doc_type": "WHO DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "3abdd69c-9e54-24ef-8c32-2160387385b3",
          "citation": "EU-SRS",
          "doc_type": "EMA LIST",
          "public_domain": true
        },
        {
          "uuid": "b34145a0-3fdc-498c-9847-af9a84c854d9",
          "citation": "mhra",
          "doc_type": "MHRSA",
          "public_domain": true
        },
        {
          "uuid": "50568303-8731-9f50-6e16-e778ad3941bd",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "5144c63b-5206-4c50-a7f8-90aad0211b65",
          "id": "5144c63b-5206-4c50-a7f8-90aad0211b65",
          "molfile": "\n  Marvin  01132104142D          \n\n 12 12  0  0  0  0            999 V2000\n    1.9702   -6.2470    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    1.9727   -5.4276    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4062   -5.0001    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    2.6834   -5.0153    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.6809   -4.1908    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.4068   -5.4276    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.1124   -5.0001    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8357   -5.4098    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5464   -4.9925    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5262   -4.1579    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8155   -3.7608    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.1023   -4.1705    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  3  2  2  0  0  0  0\n  4  2  1  0  0  0  0\n  5  4  2  0  0  0  0\n  6  4  1  0  0  0  0\n  7  6  1  0  0  0  0\n  8  7  1  0  0  0  0\n 12  7  2  0  0  0  0\n  9  8  2  0  0  0  0\n 10  9  1  0  0  0  0\n 10 11  2  0  0  0  0\n 11 12  1  0  0  0  0\nM  END",
          "smiles": "c1ccc(cc1)CC(=O)C(=O)O",
          "formula": "C9H8O3",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "decf46f9-c980-4312-a75b-72508fb50198"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "164.1584",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "29476617-dd5a-4f21-ba52-a73ed8376f16",
      "version": "15",
      "structure": {
        "id": "b46ab8be-b34e-4333-bcf6-71150f23d1c7",
        "molfile": "\n  Marvin  01132109202D          \n\n 12 12  0  0  0  0            999 V2000\n    1.9727   -5.4276    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.6834   -5.0153    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.4068   -5.4276    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.9702   -6.2470    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    2.6809   -4.1908    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4062   -5.0001    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.1124   -5.0001    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.1023   -4.1705    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8357   -5.4098    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5464   -4.9925    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8155   -3.7608    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5262   -4.1579    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  1  2  0  0  0  0\n  5  2  2  0  0  0  0\n  6  1  1  0  0  0  0\n  7  3  1  0  0  0  0\n  8  7  1  0  0  0  0\n  9  7  2  0  0  0  0\n 10  9  1  0  0  0  0\n 11  8  2  0  0  0  0\n 12 11  1  0  0  0  0\n 12 10  2  0  0  0  0\nM  END",
        "smiles": "c1ccc(cc1)CC(=O)C(=O)O",
        "formula": "C9H8O3",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "164.1584",
        "optical_activity": "NONE",
        "references": [
          "c647cce5-cb5e-49a4-ac73-e14bde5dd65e",
          "01a787c8-5c18-4646-8498-37f91e432387"
        ],
        "stereo_centers": 0
      },
      "unii": "X7CO62M413"
    }
  ]
}