{
  "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": "2026-09-09",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "codes": [
        {
          "uuid": "72905fc3-1256-4a7a-9395-0ecd25856452",
          "code": "92-70-6",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=92-70-6",
          "code_system": "CAS",
          "references": [
            "46de9e79-6eaf-4731-9589-c0d98e505e77",
            "fd5ad6c2-c878-433a-b5fa-6fe8d0bc9912"
          ]
        },
        {
          "uuid": "a39f3ab3-d0a1-4d04-909b-a0ca18de24fd",
          "code": "C021303",
          "type": "PRIMARY",
          "url": "http://www.ncbi.nlm.nih.gov/mesh/67021303",
          "code_system": "MESH",
          "references": [
            "46de9e79-6eaf-4731-9589-c0d98e505e77"
          ]
        },
        {
          "uuid": "97f044e6-c177-4666-8659-2d17401e5e5f",
          "code": "m6144",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m6144?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "46de9e79-6eaf-4731-9589-c0d98e505e77"
          ]
        },
        {
          "uuid": "f9e33b3c-101e-4547-8b19-59f2fbb131ed",
          "code": "202-180-8",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.001.983",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "46de9e79-6eaf-4731-9589-c0d98e505e77"
          ]
        },
        {
          "uuid": "facf116e-ba08-4914-a552-da554d8d45ff",
          "code": "7104",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/7104",
          "code_system": "PUBCHEM",
          "references": [
            "46de9e79-6eaf-4731-9589-c0d98e505e77"
          ]
        },
        {
          "uuid": "33602ef6-8c00-6478-6c11-21cf1b88c2dc",
          "code": "5278",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/source/hsdb/5278",
          "code_system": "HSDB",
          "references": [
            "e72f4cbb-3219-779a-ae25-85f9f8f98982"
          ]
        },
        {
          "uuid": "a35d033c-9d84-bdbc-6be1-f6e59301465b",
          "code": "DTXSID3026560",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID3026560",
          "code_system": "EPA CompTox",
          "references": [
            "1c06bda8-a801-62f3-32d3-f56ac03a17e3"
          ]
        },
        {
          "uuid": "0e864b23-8f52-4702-adf4-11cb51752de7",
          "code": "C7S9D784HX",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "a3d4e7d8-4a9e-5724-c632-c3198484cb13",
          "code": "1148238",
          "type": "PRIMARY",
          "url": "https://store.usp.org/product/1148238",
          "code_system": "RS_ITEM_NUM",
          "references": [
            "4ae2e4ee-401b-4f74-e991-7254a1a80d44"
          ]
        },
        {
          "uuid": "58a64f59-41bc-dab6-95fd-26d7e0fe5a71",
          "code": "3-Hydroxy-2-naphthoic acid",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/3-Hydroxy-2-naphthoic_acid",
          "code_system": "WIKIPEDIA",
          "references": [
            "468f7cba-0531-421d-6dcb-f77650ec51b6"
          ]
        },
        {
          "uuid": "0974f034-88a2-412c-8e38-9e2ad07dc3aa",
          "code": "3719",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=3719",
          "code_system": "NSC",
          "references": [
            "cdef2bfc-a1e0-b849-0b50-98e999949127"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "98a6afa4-7b76-4ae7-84a4-ba3d6b773fb5",
          "type": "ACTIVE MOIETY",
          "related_substance": {
            "uuid": "a7cadaab-4d9c-4dc5-a4a5-553d3214d8e9",
            "refuuid": "077211e3-2a16-4d0c-8ec9-86462d33c763",
            "name": "HYDROXYNAPHTHOIC ACID",
            "unii": "C7S9D784HX",
            "linking_id": "C7S9D784HX",
            "ref_pname": "HYDROXYNAPHTHOIC ACID",
            "substance_class": "reference"
          }
        },
        {
          "uuid": "c45c2570-ef3e-4eab-b013-21b5aac6a054",
          "type": "SALT/SOLVATE->PARENT",
          "related_substance": {
            "uuid": "aa49056a-b2ae-4543-af9e-f071bcacb35f",
            "refuuid": "84a2f7b2-a10b-47c7-8d5c-a372d2c55dc7",
            "name": "MAGNESIUM HYDROXYNAPHTHOATE",
            "unii": "3Q3142VF7K",
            "linking_id": "3Q3142VF7K",
            "ref_pname": "MAGNESIUM HYDROXYNAPHTHOATE",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "c37c439b-05ef-42c4-8d3e-b86838c05429",
          "name": "2-HYDROXY-3-NAPHTHALENECARBOXYLIC ACID",
          "stdName": "2-HYDROXY-3-NAPHTHALENECARBOXYLIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "de688cce-1acd-4a1c-9aae-a943ca19bfa9",
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3"
          ],
          "display_name": false
        },
        {
          "uuid": "a0946f29-a940-4b63-ba41-38e5fc41a0d8",
          "name": "2-NAPHTHALENECARBOXYLIC ACID, 3-HYDROXY-",
          "stdName": "2-NAPHTHALENECARBOXYLIC ACID, 3-HYDROXY-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "de688cce-1acd-4a1c-9aae-a943ca19bfa9",
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3"
          ],
          "display_name": false
        },
        {
          "uuid": "08297039-1ffc-49f6-9f7f-9a406c2e5632",
          "name": "2-NAPHTHOIC ACID, 3-HYDROXY-",
          "stdName": "2-NAPHTHOIC ACID, 3-HYDROXY-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "de688cce-1acd-4a1c-9aae-a943ca19bfa9",
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3"
          ],
          "display_name": false
        },
        {
          "uuid": "5efcd54d-36a6-4319-9b19-35cc71991f32",
          "name": "3-HYDROXY-2-NAPHTHALENECARBOXYLIC ACID [HSDB]",
          "stdName": "3-HYDROXY-2-NAPHTHALENECARBOXYLIC ACID [HSDB]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "89803ed2-6b6e-4c6f-ab53-2de070a91a79",
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3"
          ],
          "display_name": false
        },
        {
          "uuid": "670b3094-5085-4b0b-8e16-da71ccfbab83",
          "name": "3-HYDROXY-2-NAPHTHOIC ACID",
          "stdName": "3-HYDROXY-2-NAPHTHOIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9ee310e1-07de-45b2-9085-3ed36359981c",
            "de688cce-1acd-4a1c-9aae-a943ca19bfa9",
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3",
            "d9b6170b-425f-4a88-9359-ae2ee028d96c"
          ],
          "display_name": false
        },
        {
          "uuid": "37f3c794-fa75-4daf-8d04-82f85283fbc5",
          "name": "3-HYDROXY-2-NAPHTHOIC ACID [MI]",
          "stdName": "3-HYDROXY-2-NAPHTHOIC ACID [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3",
            "d9b6170b-425f-4a88-9359-ae2ee028d96c"
          ],
          "display_name": false
        },
        {
          "uuid": "df736810-b356-4122-ac5c-9c9766811bc6",
          "name": "3-NAPHTHOL-2-CARBOXYLIC ACID",
          "stdName": "3-NAPHTHOL-2-CARBOXYLIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3",
            "d9b6170b-425f-4a88-9359-ae2ee028d96c"
          ],
          "display_name": false
        },
        {
          "uuid": "16509245-f763-4952-9aa8-d3d2ffb8a114",
          "name": "BON",
          "stdName": "BON",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "de688cce-1acd-4a1c-9aae-a943ca19bfa9",
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3"
          ],
          "display_name": false
        },
        {
          "uuid": "843a6f07-099e-431e-b58b-09104b1021c4",
          "name": "C.I. DEVELOPER 20",
          "stdName": "C.I. DEVELOPER 20",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "de688cce-1acd-4a1c-9aae-a943ca19bfa9",
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3"
          ],
          "display_name": false
        },
        {
          "uuid": "30e10993-c775-435a-a169-b5b2e9c2bb14",
          "name": "C.I. DEVELOPER 8",
          "stdName": "C.I. DEVELOPER 8",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5a237992-3971-4f4a-b7b8-a363f7f19893",
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3"
          ],
          "display_name": false
        },
        {
          "uuid": "e71480ac-5c2e-4b9a-b8e5-43f1904be2b7",
          "name": "COLOR RELATED COMPOUND 005",
          "stdName": "COLOR RELATED COMPOUND 005",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ed7d9db6-ba1b-4bc2-bb97-c45273bcc4b8",
            "9e121087-f9d8-4c0a-8c90-11e0e5b2a1d1",
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3"
          ],
          "display_name": false
        },
        {
          "uuid": "e6d5cc86-89bb-4df4-a161-ab2352b1fec4",
          "name": "COLOR RELATED COMPOUND 005 [USP-RS]",
          "stdName": "COLOR RELATED COMPOUND 005 [USP-RS]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ed7d9db6-ba1b-4bc2-bb97-c45273bcc4b8",
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3"
          ],
          "display_name": false
        },
        {
          "uuid": "e8df6156-7504-4c00-9138-b9e803aff848",
          "name": "HYDROXYNAPHTHOIC ACID",
          "stdName": "HYDROXYNAPHTHOIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3",
            "0df37ac5-e241-4c60-95bc-983459731f04"
          ],
          "display_name": true
        },
        {
          "uuid": "a655e335-aedd-400f-a72f-b0702470d76d",
          "name": "NSC-3719",
          "stdName": "NSC-3719",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "de688cce-1acd-4a1c-9aae-a943ca19bfa9",
            "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "de688cce-1acd-4a1c-9aae-a943ca19bfa9",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "c0a5865d-e5cd-485c-a35a-a5e148a9a1c3",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "d9b6170b-425f-4a88-9359-ae2ee028d96c",
          "citation": "MERCK",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "5a237992-3971-4f4a-b7b8-a363f7f19893",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "0df37ac5-e241-4c60-95bc-983459731f04",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "89803ed2-6b6e-4c6f-ab53-2de070a91a79",
          "citation": "HSDB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ed7d9db6-ba1b-4bc2-bb97-c45273bcc4b8",
          "citation": "USP-RS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "46de9e79-6eaf-4731-9589-c0d98e505e77",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390168000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "682c6617-7f46-4ec0-81fe-e9fe4c5e1703",
          "citation": "SRS import [C7S9D784HX]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=C7S9D784HX",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390168000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "9ee310e1-07de-45b2-9085-3ed36359981c",
          "citation": "3-HYDROXY-2-NAPHTHOIC ACID [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "9e121087-f9d8-4c0a-8c90-11e0e5b2a1d1",
          "citation": "COLOR RELATED COMPOUND 005 [USP-RS]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "e72f4cbb-3219-779a-ae25-85f9f8f98982",
          "citation": "WEBSITE",
          "url": "https://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+92-70-6",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "1c06bda8-a801-62f3-32d3-f56ac03a17e3",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=92-70-6",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "468f7cba-0531-421d-6dcb-f77650ec51b6",
          "citation": "WIKI",
          "doc_type": "WIKI",
          "public_domain": true
        },
        {
          "uuid": "fd5ad6c2-c878-433a-b5fa-6fe8d0bc9912",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "4ae2e4ee-401b-4f74-e991-7254a1a80d44",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "cdef2bfc-a1e0-b849-0b50-98e999949127",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "2cad8425-781f-4d3d-978c-496573ee2c97",
          "id": "2cad8425-781f-4d3d-978c-496573ee2c97",
          "molfile": "\n  Marvin  01132102252D          \n\n 14 15  0  0  0  0            999 V2000\n    3.5657    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5657   -0.8237    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2835   -1.2394    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8531   -1.2394    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1405   -0.8237    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4279   -1.2394    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7126   -0.8237    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -1.2394    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -2.0553    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7126   -2.4710    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4279   -2.0553    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1405   -2.4710    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8531   -2.0630    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5657   -2.4710    0.0000 O   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  2  4  1  0  0  0  0\n  5  4  1  0  0  0  0\n 13  4  2  0  0  0  0\n  6  5  2  0  0  0  0\n  7  6  1  0  0  0  0\n 11  6  1  0  0  0  0\n  8  7  2  0  0  0  0\n  9  8  1  0  0  0  0\n  9 10  2  0  0  0  0\n 10 11  1  0  0  0  0\n 11 12  2  0  0  0  0\n 12 13  1  0  0  0  0\n 14 13  1  0  0  0  0\nM  END",
          "smiles": "c1ccc2cc(c(cc2c1)C(=O)O)O",
          "formula": "C11H8O3",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "10261cb2-08a2-401e-b1c6-56191e7f2f67"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "188.1798",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "077211e3-2a16-4d0c-8ec9-86462d33c763",
      "version": "11",
      "structure": {
        "id": "a5c0a38b-44ba-4626-a88d-25d39f1f418d",
        "molfile": "\n  Marvin  01132108372D          \n\n 14 15  0  0  0  0            999 V2000\n    2.8531   -1.2394    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1405   -0.8237    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.8531   -2.0630    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5657   -0.8237    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.1405   -2.4710    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4279   -1.2394    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4279   -2.0553    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5657    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.5657   -2.4710    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2835   -1.2394    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7126   -0.8237    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7126   -2.4710    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -1.2394    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -2.0553    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  2  0  0  0  0\n  3  1  1  0  0  0  0\n  4  1  1  0  0  0  0\n  5  3  2  0  0  0  0\n  6  2  1  0  0  0  0\n  7  5  1  0  0  0  0\n  8  4  2  0  0  0  0\n  9  3  1  0  0  0  0\n 10  4  1  0  0  0  0\n 11  6  2  0  0  0  0\n 12  7  2  0  0  0  0\n 13 11  1  0  0  0  0\n 14 12  1  0  0  0  0\n  7  6  1  0  0  0  0\n 14 13  2  0  0  0  0\nM  END",
        "smiles": "c1ccc2cc(c(cc2c1)C(=O)O)O",
        "formula": "C11H8O3",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "188.1798",
        "optical_activity": "NONE",
        "references": [
          "de688cce-1acd-4a1c-9aae-a943ca19bfa9",
          "682c6617-7f46-4ec0-81fe-e9fe4c5e1703"
        ],
        "stereo_centers": 0
      },
      "unii": "C7S9D784HX"
    }
  ]
}