{
  "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": "606a61b0-54cc-49f7-99b8-7bd63b1803d3",
          "code": "490-78-8",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=490-78-8",
          "code_system": "CAS",
          "references": [
            "52109a84-9d6c-4c11-88cf-25414b046be0",
            "af86f228-5ddb-4f9c-9835-3c8ff342e974"
          ]
        },
        {
          "uuid": "cca340e7-902a-4bf6-9de5-a4589fb77447",
          "code": "207-716-4",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.007.016",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "52109a84-9d6c-4c11-88cf-25414b046be0"
          ]
        },
        {
          "uuid": "b86c721f-3a06-4ebc-8c6d-0918c05c86d6",
          "code": "10279",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/10279",
          "code_system": "PUBCHEM",
          "references": [
            "52109a84-9d6c-4c11-88cf-25414b046be0"
          ]
        },
        {
          "uuid": "a21db7bc-3d81-5b3c-b120-0da01e035792",
          "code": "DTXSID9060077",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID9060077",
          "code_system": "EPA CompTox",
          "references": [
            "d25df6a6-f6ff-d258-c1c1-00dec16a83cf"
          ]
        },
        {
          "uuid": "ef3e8c37-e075-47e5-a9b2-1a39887bd6d3",
          "code": "K1H7QH11ZH",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "9b8700fc-ca1f-bd7a-281e-72cc3da09f17",
          "code": "3759",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=3759",
          "code_system": "NSC",
          "references": [
            "5124ee8f-a1b0-d67e-14d8-8c6925d8d970"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "f74f0abf-6353-4ccb-a45e-2120698270fa",
          "name": "1-(2,5-DIHYDROXYPHENYL)ETHANONE",
          "stdName": "1-(2,5-DIHYDROXYPHENYL)ETHANONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7c75a2f5-a8e4-4852-b464-f1e556ab03de",
            "2f6459bf-dfa3-4ef7-bbb8-1bcd1f6dbeae"
          ],
          "display_name": false
        },
        {
          "uuid": "f21df8ea-b4db-4bed-9fa9-35bff7a673fd",
          "name": "1-ACETYL-2,5-DIHYDROXYBENZENE",
          "stdName": "1-ACETYL-2,5-DIHYDROXYBENZENE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7c75a2f5-a8e4-4852-b464-f1e556ab03de",
            "2f6459bf-dfa3-4ef7-bbb8-1bcd1f6dbeae"
          ],
          "display_name": false
        },
        {
          "uuid": "8dc5fb8f-733e-44fd-a4a5-3aa3eee80005",
          "name": "2,5-DIHYDROXY-1-ACETYLBENZENE",
          "stdName": "2,5-DIHYDROXY-1-ACETYLBENZENE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7c75a2f5-a8e4-4852-b464-f1e556ab03de",
            "2f6459bf-dfa3-4ef7-bbb8-1bcd1f6dbeae"
          ],
          "display_name": false
        },
        {
          "uuid": "bcfc5d8d-f046-4526-8e82-cceb153eab73",
          "name": "2-ACETYL-1,4-BENZENEDIOL",
          "stdName": "2-ACETYL-1,4-BENZENEDIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7c75a2f5-a8e4-4852-b464-f1e556ab03de",
            "2f6459bf-dfa3-4ef7-bbb8-1bcd1f6dbeae"
          ],
          "display_name": false
        },
        {
          "uuid": "1e3d4213-d2eb-4092-9865-e487b866536d",
          "name": "2-ACETYLHYDROQUINONE",
          "stdName": "2-ACETYLHYDROQUINONE",
          "type": "of",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7c75a2f5-a8e4-4852-b464-f1e556ab03de",
            "96a86fec-31e6-4a2f-9447-e092b9b5eaf8",
            "2c38d428-90d8-4c9f-9f43-9b23efe42629",
            "2f6459bf-dfa3-4ef7-bbb8-1bcd1f6dbeae"
          ],
          "display_name": true,
          "domains": [
            "cosmetic"
          ],
          "name_orgs": [
            {
              "uuid": "01eba8d3-aded-4fd5-874f-9f433111f05e",
              "name_org": "INCI"
            }
          ]
        },
        {
          "uuid": "b0af2d1a-b1d9-4c90-8baf-3b7a530cc05b",
          "name": "ACETOPHENONE, 2',5'-DIHYDROXY-",
          "stdName": "ACETOPHENONE, 2',5'-DIHYDROXY-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7c75a2f5-a8e4-4852-b464-f1e556ab03de",
            "2f6459bf-dfa3-4ef7-bbb8-1bcd1f6dbeae"
          ],
          "display_name": false
        },
        {
          "uuid": "cb42fff0-48b7-4896-9c4b-83e932af744d",
          "name": "ACETYLQUINOL",
          "stdName": "ACETYLQUINOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2c38d428-90d8-4c9f-9f43-9b23efe42629",
            "2f6459bf-dfa3-4ef7-bbb8-1bcd1f6dbeae"
          ],
          "display_name": false
        },
        {
          "uuid": "c00a7234-426a-47f0-9efc-b5179d60d7e8",
          "name": "ETHANONE, 1-(2,5-DIHYDROXYPHENYL)-",
          "stdName": "ETHANONE, 1-(2,5-DIHYDROXYPHENYL)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7c75a2f5-a8e4-4852-b464-f1e556ab03de",
            "2f6459bf-dfa3-4ef7-bbb8-1bcd1f6dbeae"
          ],
          "display_name": false
        },
        {
          "uuid": "ee78c36f-b330-45cf-bb22-789fa7e1c399",
          "name": "NSC-3759",
          "stdName": "NSC-3759",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7c75a2f5-a8e4-4852-b464-f1e556ab03de",
            "2f6459bf-dfa3-4ef7-bbb8-1bcd1f6dbeae"
          ],
          "display_name": false
        },
        {
          "uuid": "ea38f928-520c-41f3-93b5-91f21083c0b2",
          "name": "QUINACETOPHENONE",
          "stdName": "QUINACETOPHENONE",
          "type": "bn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2c38d428-90d8-4c9f-9f43-9b23efe42629",
            "2f6459bf-dfa3-4ef7-bbb8-1bcd1f6dbeae"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "7c75a2f5-a8e4-4852-b464-f1e556ab03de",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "2f6459bf-dfa3-4ef7-bbb8-1bcd1f6dbeae",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2c38d428-90d8-4c9f-9f43-9b23efe42629",
          "citation": "PCPC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "52109a84-9d6c-4c11-88cf-25414b046be0",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391426000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ef2a1887-762f-4c17-b8a5-b635fb8029b5",
          "citation": "SRS import [K1H7QH11ZH]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=K1H7QH11ZH",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391426000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "230e4f77-baf7-4ad9-98d8-912e56051c65",
          "citation": "CHEMID  2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "96a86fec-31e6-4a2f-9447-e092b9b5eaf8",
          "citation": "2-ACETYLHYDROQUINONE [INCI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "d25df6a6-f6ff-d258-c1c1-00dec16a83cf",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=490-78-8",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "af86f228-5ddb-4f9c-9835-3c8ff342e974",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "5124ee8f-a1b0-d67e-14d8-8c6925d8d970",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "bcb4ef92-5d1c-4cb1-aba0-d29de07c9709",
          "id": "bcb4ef92-5d1c-4cb1-aba0-d29de07c9709",
          "molfile": "\n  Marvin  01132109462D          \n\n 11 11  0  0  0  0            999 V2000\n    8.4642   -4.8922    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7266   -4.5228    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7266   -3.7027    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0231   -4.9684    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3084   -4.5623    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5990   -4.9845    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9305   -4.4513    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5990   -5.8009    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3452   -6.2014    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0231   -5.7690    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6327   -6.3304    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  2  3  2  0  0  0  0\n  4  2  1  0  0  0  0\n  4  5  1  0  0  0  0\n  4 10  2  0  0  0  0\n  5  6  2  0  0  0  0\n  6  7  1  0  0  0  0\n  6  8  1  0  0  0  0\n  9  8  2  0  0  0  0\n 10  9  1  0  0  0  0\n 10 11  1  0  0  0  0\nM  END",
          "smiles": "CC(=O)c1cc(ccc1O)O",
          "formula": "C8H8O3",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "fa75aab8-7521-488d-b887-6937f8e54c7c"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "152.1476",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "ca61f4a0-7c89-4de7-a87b-168e803cad9c",
      "version": "5",
      "structure": {
        "id": "81c336b0-6734-4d27-9668-845366c52cc0",
        "molfile": "\n  Marvin  01132106442D          \n\n 11 11  0  0  0  0            999 V2000\n    7.0225   -4.9680    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0225   -5.7685    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3447   -6.2009    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5985   -5.8004    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5985   -4.9841    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3079   -4.5619    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9301   -4.4509    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.6321   -6.3299    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7259   -4.5224    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4635   -4.8918    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7259   -3.7024    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  2  0  0  0  0\n  2  3  1  0  0  0  0\n  3  4  2  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  2  0  0  0  0\n  1  6  1  0  0  0  0\n  5  7  1  0  0  0  0\n  2  8  1  0  0  0  0\n  1  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n  9 11  2  0  0  0  0\nM  END",
        "smiles": "CC(=O)c1cc(ccc1O)O",
        "formula": "C8H8O3",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "152.1476",
        "optical_activity": "NONE",
        "references": [
          "230e4f77-baf7-4ad9-98d8-912e56051c65",
          "ef2a1887-762f-4c17-b8a5-b635fb8029b5"
        ],
        "stereo_centers": 0
      },
      "unii": "K1H7QH11ZH"
    }
  ]
}