{
  "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": "42592ba9-cba8-4845-a88c-e7b55d45e183",
          "code": "2-METHYL-4-PHENYLBUTYRALDEHYDE",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=5195",
          "code_system": "JECFA EVALUATION",
          "references": [
            "e24968ce-596d-4627-b343-0124b0911035"
          ]
        },
        {
          "uuid": "577486bd-3ee4-4330-b1b4-85566e6ff710",
          "code": "40654-82-8",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=40654-82-8",
          "code_system": "CAS",
          "references": [
            "e24968ce-596d-4627-b343-0124b0911035",
            "1d241041-2a2d-4d20-8fd4-7ff530a15f95"
          ]
        },
        {
          "uuid": "bf53336d-e371-4430-8e86-2080be6d4f4b",
          "code": "255-022-5",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.050.003",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "e24968ce-596d-4627-b343-0124b0911035"
          ]
        },
        {
          "uuid": "124a4c6b-3719-4212-b6fe-454ab9351374",
          "code": "62911",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/62911",
          "code_system": "PUBCHEM",
          "references": [
            "e24968ce-596d-4627-b343-0124b0911035"
          ]
        },
        {
          "uuid": "c5e65e85-eb97-4d47-b744-e8c57659ca32",
          "code": "1E564V2EQV",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "cf4c2d6b-9d7e-a182-2058-25e495f2e461",
          "code": "DTXSID80866005",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID80866005",
          "code_system": "EPA CompTox",
          "references": [
            "d3790932-8027-f35e-da23-c45ecfcd27e8"
          ]
        },
        {
          "uuid": "8cb65140-41db-6313-8930-db78b8d6b87a",
          "code": "1450",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/1450/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "80b199b3-0df4-a2d3-512d-07e29bd9e03d"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "45814c4a-3c9e-4974-9313-204dc4c5e9a5",
          "name": "(±)-2-METHYL-4-PHENYLBUTYRALDEHYDE",
          "stdName": "(+/-)-2-METHYL-4-PHENYLBUTYRALDEHYDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c2580862-b1ff-42b0-bf01-0b5f3657310d",
            "dd37b1d3-14be-430b-bb37-29f7527e49b7"
          ],
          "display_name": false
        },
        {
          "uuid": "c70fc089-d63d-473c-b31f-4e1ba524f106",
          "name": ".ALPHA.-METHYLBENZENEBUTANAL",
          "stdName": ".ALPHA.-METHYLBENZENEBUTANAL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dd37b1d3-14be-430b-bb37-29f7527e49b7",
            "45660f01-9c1d-4050-8284-ed02104a2b58"
          ],
          "display_name": false
        },
        {
          "uuid": "30af2616-dbc1-4ab0-9b31-9b464189e732",
          "name": "2-METHYL-4-PHENYLBUTANAL",
          "stdName": "2-METHYL-4-PHENYLBUTANAL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dd37b1d3-14be-430b-bb37-29f7527e49b7",
            "45660f01-9c1d-4050-8284-ed02104a2b58"
          ],
          "display_name": false
        },
        {
          "uuid": "276e6151-4e83-4ea5-abbc-ccbe9b33c306",
          "name": "2-METHYL-4-PHENYLBUTYRALDEHYDE",
          "stdName": "2-METHYL-4-PHENYLBUTYRALDEHYDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2c212c2d-e712-447a-a371-cfa55123bc17",
            "dd37b1d3-14be-430b-bb37-29f7527e49b7",
            "6b69f581-529d-4bd0-8885-a69b36bcc392",
            "ea1395f2-5868-4cec-9217-9619992c2eff"
          ],
          "display_name": true
        },
        {
          "uuid": "2507571b-8f9d-4d2b-9b21-81c6dc205f23",
          "name": "2-METHYL-4-PHENYLBUTYRALDEHYDE [FHFI]",
          "stdName": "2-METHYL-4-PHENYLBUTYRALDEHYDE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6b69f581-529d-4bd0-8885-a69b36bcc392",
            "dd37b1d3-14be-430b-bb37-29f7527e49b7"
          ],
          "display_name": false
        },
        {
          "uuid": "51c7dceb-ab56-4039-a59f-67a588d8ac09",
          "name": "2-METHYL-4-PHENYLBUTYRALDEHYDE, (±)-",
          "stdName": "2-METHYL-4-PHENYLBUTYRALDEHYDE, (+/-)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c2580862-b1ff-42b0-bf01-0b5f3657310d",
            "dd37b1d3-14be-430b-bb37-29f7527e49b7"
          ],
          "display_name": false
        },
        {
          "uuid": "398c6d7e-7977-4945-a747-16fd752b4b48",
          "name": "BENZENEBUTANAL, .ALPHA.-METHYL-",
          "stdName": "BENZENEBUTANAL, .ALPHA.-METHYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dd37b1d3-14be-430b-bb37-29f7527e49b7",
            "45660f01-9c1d-4050-8284-ed02104a2b58"
          ],
          "display_name": false
        },
        {
          "uuid": "8d9d75ec-c044-4563-ba96-4e0720e691d8",
          "name": "BUTYRALDEHYDE, 2-METHYL-4-PHENYL-",
          "stdName": "BUTYRALDEHYDE, 2-METHYL-4-PHENYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dd37b1d3-14be-430b-bb37-29f7527e49b7",
            "45660f01-9c1d-4050-8284-ed02104a2b58"
          ],
          "display_name": false
        },
        {
          "uuid": "4c1149a9-869b-42e7-b0cd-31784e1e6f59",
          "name": "FEMA NO. 2737",
          "stdName": "FEMA NO. 2737",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6b69f581-529d-4bd0-8885-a69b36bcc392",
            "dd37b1d3-14be-430b-bb37-29f7527e49b7"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "2c212c2d-e712-447a-a371-cfa55123bc17",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "dd37b1d3-14be-430b-bb37-29f7527e49b7",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "45660f01-9c1d-4050-8284-ed02104a2b58",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "6b69f581-529d-4bd0-8885-a69b36bcc392",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c2580862-b1ff-42b0-bf01-0b5f3657310d",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e24968ce-596d-4627-b343-0124b0911035",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391353000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b73745c8-9e52-4491-83f2-456cb1b3d83a",
          "citation": "SRS import [1E564V2EQV]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=1E564V2EQV",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391353000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ea1395f2-5868-4cec-9217-9619992c2eff",
          "citation": "2-METHYL-4-PHENYLBUTYRALDEHYDE [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "1d241041-2a2d-4d20-8fd4-7ff530a15f95",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "d3790932-8027-f35e-da23-c45ecfcd27e8",
          "citation": "EPA CompTox",
          "doc_type": "EPA",
          "public_domain": true
        },
        {
          "uuid": "80b199b3-0df4-a2d3-512d-07e29bd9e03d",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "811899d0-26de-481c-85e5-2e3945030b0f",
          "id": "811899d0-26de-481c-85e5-2e3945030b0f",
          "molfile": "\n  Marvin  01132106422D          \n\n 12 12  0  0  0  0            999 V2000\n    7.9314   -3.6314    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9314   -4.4558    0.0000 C   0  0  0  0  0  0  0  0  0  3  0  0\n    7.2162   -4.8662    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5035   -4.4517    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7878   -4.8620    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.0727   -4.4431    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.3570   -4.8620    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.3570   -5.6907    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.0727   -6.1012    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7878   -5.6907    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6447   -4.8705    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.3598   -4.4600    0.0000 O   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 11  2  1  0  0  0  0\n  3  4  1  0  0  0  0\n  5  4  1  0  0  0  0\n  5  6  1  0  0  0  0\n  5 10  2  0  0  0  0\n  7  6  2  0  0  0  0\n  8  7  1  0  0  0  0\n  9  8  2  0  0  0  0\n 10  9  1  0  0  0  0\n 11 12  2  0  0  0  0\nM  END",
          "smiles": "CC(CCc1ccccc1)C=O",
          "formula": "C11H14O",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "RACEMIC",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "31b05548-74f6-4714-8251-c68b38ceea2e"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "162.2287",
          "optical_activity": "( + / - )",
          "stereo_centers": 1
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "75ddd77f-101c-43f0-ab02-8880c00aefb6",
      "version": "6",
      "structure": {
        "id": "325251b8-5ac2-4ac8-8274-16ef8eace4b6",
        "molfile": "\n  Marvin  01132102422D          \n\n 12 12  0  0  0  0            999 V2000\n    9.3606   -4.4604    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5040   -4.4521    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2168   -4.8666    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9321   -4.4562    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6454   -4.8709    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.0731   -4.4435    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.3574   -4.8624    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.3574   -5.6912    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.0731   -6.1017    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7883   -5.6912    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.7883   -4.8624    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9321   -3.6317    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n 12  4  1  0  0  0  0\n 11  2  1  0  0  0  0\n  5  1  2  0  0  0  0\n  3  2  1  0  0  0  0\n  4  3  1  0  0  0  0\n  5  4  1  0  0  0  0\n 11  6  1  0  0  0  0\n  7  6  2  0  0  0  0\n  8  7  1  0  0  0  0\n  9  8  2  0  0  0  0\n 10  9  1  0  0  0  0\n 11 10  2  0  0  0  0\nM  END",
        "smiles": "CC(CCc1ccccc1)C=O",
        "formula": "C11H14O",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "RACEMIC",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "162.2287",
        "optical_activity": "( + / - )",
        "references": [
          "b73745c8-9e52-4491-83f2-456cb1b3d83a",
          "45660f01-9c1d-4050-8284-ed02104a2b58"
        ],
        "stereo_centers": 1
      },
      "unii": "1E564V2EQV"
    }
  ]
}