{
  "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": "9a3ec313-d465-451c-8e0c-f7317005f778",
          "code": "2-METHYL-4,5-BENZO-OXAZOLE",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=5510",
          "code_system": "JECFA EVALUATION",
          "references": [
            "afec8a7b-1e74-444a-af20-8c70992836fc"
          ]
        },
        {
          "uuid": "013aeeb8-d7f8-4845-804c-8172a828ab71",
          "code": "95-21-6",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=95-21-6",
          "code_system": "CAS",
          "references": [
            "afec8a7b-1e74-444a-af20-8c70992836fc",
            "e64d1c7f-addb-471a-affa-5b727868bca0"
          ]
        },
        {
          "uuid": "dd739a1b-cf65-4824-a973-5367ccefc629",
          "code": "202-399-9",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.002.182",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "afec8a7b-1e74-444a-af20-8c70992836fc"
          ]
        },
        {
          "uuid": "06e2014f-ebf5-4055-bcd6-ffbbe6ea6566",
          "code": "7225",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/7225",
          "code_system": "PUBCHEM",
          "references": [
            "afec8a7b-1e74-444a-af20-8c70992836fc"
          ]
        },
        {
          "uuid": "efe4ce82-7db7-4649-a2dd-26ec940cfa63",
          "code": "Z0P021V3TI",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "0b939387-13ad-1bf3-42f1-d72cc471587d",
          "code": "51603",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:51603",
          "code_system": "CHEBI",
          "references": [
            "7178777a-fb29-948a-b713-0a7b3435ae32"
          ]
        },
        {
          "uuid": "81f5aa90-614a-c443-dfb2-f5b7366bc5d8",
          "code": "DTXSID50870432",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID50870432",
          "code_system": "EPA CompTox",
          "references": [
            "7178777a-fb29-948a-b713-0a7b3435ae32"
          ]
        },
        {
          "uuid": "56aa541e-e34e-ff05-f2de-b7044cac6c91",
          "code": "3824",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=3824",
          "code_system": "NSC",
          "references": [
            "c484f110-0c4e-1079-18f7-1b52b24d0399"
          ]
        },
        {
          "uuid": "9a1ecd49-b749-b085-dc9f-41990912d8bf",
          "code": "1548",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/1548/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "172965b4-dde0-8f77-43a4-7ede4466b0af"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "e2849b7d-0055-46a7-9149-c0580c6f6956",
          "name": "2-METHYL-4,5-BENZO-OXAZOLE",
          "stdName": "2-METHYL-4,5-BENZO-OXAZOLE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "73e46715-437e-4adf-b85a-eec14adba531",
            "2b40b36b-a1ac-4d68-baf5-02ff668c72ab",
            "6496eb0b-6259-4984-9276-d58e341f57de",
            "16f77365-85bc-4f82-b696-c69e6b5b8b8c"
          ],
          "display_name": true
        },
        {
          "uuid": "68056877-43f4-4bea-afc7-7265db2101b9",
          "name": "2-METHYL-4,5-BENZO-OXAZOLE [FHFI]",
          "stdName": "2-METHYL-4,5-BENZO-OXAZOLE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6496eb0b-6259-4984-9276-d58e341f57de",
            "16f77365-85bc-4f82-b696-c69e6b5b8b8c"
          ],
          "display_name": false
        },
        {
          "uuid": "ccb42722-214b-4eb4-bdff-408337338030",
          "name": "2-METHYLBENZOXAZOLE",
          "stdName": "2-METHYLBENZOXAZOLE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "16f77365-85bc-4f82-b696-c69e6b5b8b8c",
            "475e129d-6b43-47a0-829d-27bb9943946b"
          ],
          "display_name": false
        },
        {
          "uuid": "71dadbb0-c0c5-4c02-88b4-f181eab92968",
          "name": "BENZOXAZOLE, 2-METHYL-",
          "stdName": "BENZOXAZOLE, 2-METHYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "03ca6a6f-a5b7-4509-a687-6cac7b40c3f0"
          ],
          "display_name": false
        },
        {
          "uuid": "cdb170d2-f53d-4b8b-a55e-495a1e24ab90",
          "name": "NSC-3824",
          "stdName": "NSC-3824",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "16f77365-85bc-4f82-b696-c69e6b5b8b8c",
            "475e129d-6b43-47a0-829d-27bb9943946b"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "03ca6a6f-a5b7-4509-a687-6cac7b40c3f0",
          "citation": "CHEMID 2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "2b40b36b-a1ac-4d68-baf5-02ff668c72ab",
          "citation": "JECFA",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "16f77365-85bc-4f82-b696-c69e6b5b8b8c",
          "citation": "JECFA: JOINT FAO/WHO COMMITTEE FOOD ADD",
          "doc_type": "JECFA: JOINT FAO/WHO COMMITTEE FOOD ADD",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "475e129d-6b43-47a0-829d-27bb9943946b",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "6496eb0b-6259-4984-9276-d58e341f57de",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "afec8a7b-1e74-444a-af20-8c70992836fc",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391222000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e0378cd8-a30d-4ac5-bd1c-3004090e1e7d",
          "citation": "SRS import [Z0P021V3TI]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=Z0P021V3TI",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391222000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "795664f0-15cb-49aa-845e-2c76a7db42a2",
          "citation": "CHEMID  2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "73e46715-437e-4adf-b85a-eec14adba531",
          "citation": "2-METHYL-4,5-BENZO-OXAZOLE [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "e64d1c7f-addb-471a-affa-5b727868bca0",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "7178777a-fb29-948a-b713-0a7b3435ae32",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "c484f110-0c4e-1079-18f7-1b52b24d0399",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "172965b4-dde0-8f77-43a4-7ede4466b0af",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "05c72311-e6d3-4a1f-91d0-55e99e459efc",
          "id": "05c72311-e6d3-4a1f-91d0-55e99e459efc",
          "molfile": "\n  Marvin  01132100352D          \n\n 10 11  0  0  0  0            999 V2000\n    2.0648    0.6715    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2986    0.2433    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2986   -0.5784    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.1571   -0.5784    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.8732   -0.9858    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.5906   -0.5784    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.5906    0.2433    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.8732    0.6591    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.1571    0.2433    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.5812    0.6591    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  2  0  0  0  0\n 10  2  1  0  0  0  0\n  4  3  1  0  0  0  0\n  4  5  1  0  0  0  0\n  4  9  2  0  0  0  0\n  5  6  2  0  0  0  0\n  6  7  1  0  0  0  0\n  8  7  2  0  0  0  0\n  9  8  1  0  0  0  0\n  9 10  1  0  0  0  0\nM  END",
          "smiles": "Cc1nc2ccccc2o1",
          "formula": "C8H7NO",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "3bf87aa3-e398-4acd-a7ea-4a1a580a757a"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "133.1476",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "6ac81941-5723-4cd3-80d3-fa4af57f9da3",
      "version": "7",
      "structure": {
        "id": "382beb20-cf72-4846-81be-9fd0d6bd8656",
        "molfile": "\n  Marvin  01132102592D          \n\n 10 11  0  0  0  0            999 V2000\n   -0.1571   -0.5784    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.1571    0.2433    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2986   -0.5784    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.8732   -0.9858    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.5812    0.6591    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.8732    0.6591    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2986    0.2433    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.5906   -0.5784    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.5906    0.2433    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.0648    0.6715    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  2  0  0  0  0\n  1  3  1  0  0  0  0\n  1  4  1  0  0  0  0\n  2  5  1  0  0  0  0\n  2  6  1  0  0  0  0\n  3  7  2  0  0  0  0\n  4  8  2  0  0  0  0\n  6  9  2  0  0  0  0\n  7 10  1  0  0  0  0\n  5  7  1  0  0  0  0\n  8  9  1  0  0  0  0\nM  END",
        "smiles": "Cc1nc2ccccc2o1",
        "formula": "C8H7NO",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "133.1476",
        "optical_activity": "NONE",
        "references": [
          "e0378cd8-a30d-4ac5-bd1c-3004090e1e7d",
          "795664f0-15cb-49aa-845e-2c76a7db42a2"
        ],
        "stereo_centers": 0
      },
      "unii": "Z0P021V3TI"
    }
  ]
}