{
  "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": "1b2e9f07-5c2c-48f5-b0a2-b8e716236ebd",
          "code": "302-97-6",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=302-97-6",
          "code_system": "CAS",
          "references": [
            "8ccc2c32-b0cd-4909-85cc-d0e063472486",
            "84a0f822-7e70-4a60-a324-040d5a082f2f"
          ]
        },
        {
          "uuid": "252e880c-6ac2-43a4-baa3-4280db082ca6",
          "code": "99472",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/99472",
          "code_system": "PUBCHEM",
          "references": [
            "8ccc2c32-b0cd-4909-85cc-d0e063472486"
          ]
        },
        {
          "uuid": "d3c4ab24-c2cc-ca66-dc9a-5737365311de",
          "code": "DTXSID0057706",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID0057706",
          "code_system": "EPA CompTox",
          "references": [
            "f9480986-33df-65c4-4b5c-7913d271a8e2"
          ]
        },
        {
          "uuid": "4fa9cf9e-7455-4632-8026-6ec49becc637",
          "code": "6E3DV757KY",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "fb721be8-9952-e658-0557-db0ec3ceb9a9",
          "code": "226121",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=226121",
          "code_system": "NSC",
          "references": [
            "fd98fcd2-66d0-34fa-d5f8-c09ad94f4f4a"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "1bdcda7c-0565-4046-b9bd-a97bf86db7ca",
          "type": "ACTIVE MOIETY",
          "related_substance": {
            "uuid": "2e687c3d-752c-4df7-b6ac-60d09bee55d1",
            "refuuid": "88373858-3ea6-4262-89d3-46881b5c8d6a",
            "name": "17.BETA.-CARBOXYANDROST-4-EN-3-ONE",
            "unii": "6E3DV757KY",
            "linking_id": "6E3DV757KY",
            "ref_pname": "17.BETA.-CARBOXYANDROST-4-EN-3-ONE",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "38573805-c657-4980-8f41-94bb35007190",
          "name": "17.BETA.-CARBOXYANDROST-4-EN-3-ONE",
          "stdName": "17.BETA.-CARBOXYANDROST-4-EN-3-ONE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": true
        },
        {
          "uuid": "24456103-f9aa-4ffb-a72b-6f5a787a9b0c",
          "name": "3-OXOANDROST-4-ENE-17.BETA.-CARBOXYLIC ACID",
          "stdName": "3-OXOANDROST-4-ENE-17.BETA.-CARBOXYLIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": false
        },
        {
          "uuid": "44c21348-096d-4a33-89bf-ef1f51db158e",
          "name": "AD-ACID",
          "stdName": "AD-ACID",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": false
        },
        {
          "uuid": "668e333a-997a-4378-8f8b-c6bdada67663",
          "name": "AL-3793",
          "stdName": "AL-3793",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": false
        },
        {
          "uuid": "debaef1d-2e27-451d-8f32-e97098457bb8",
          "name": "ANDROST-4-ENE-17-CARBOXYLIC ACID, 3-OXO-, (17.BETA.)-",
          "stdName": "ANDROST-4-ENE-17-CARBOXYLIC ACID, 3-OXO-, (17.BETA.)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": false
        },
        {
          "uuid": "99dc6a0a-f2b6-4754-b429-b4e66182de3d",
          "name": "ANDROST-4-ENE-17.BETA.-CARBOXYLIC ACID, 3-OXO-",
          "stdName": "ANDROST-4-ENE-17.BETA.-CARBOXYLIC ACID, 3-OXO-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": false
        },
        {
          "uuid": "46cfcf1d-8681-4b0f-9795-7f3c39e74313",
          "name": "CC-14837",
          "stdName": "CC-14837",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": false
        },
        {
          "uuid": "f674fb82-fa2e-4257-b38e-1b7dfbff0539",
          "name": "ETIENIC ACID",
          "stdName": "ETIENIC ACID",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": false
        },
        {
          "uuid": "a0219e72-ab96-43ea-a580-3e72237679b2",
          "name": "L-552.803",
          "stdName": "L-552.803",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": false
        },
        {
          "uuid": "b13a4ff3-0734-477f-bf49-7e267334f955",
          "name": "NSC-226121",
          "stdName": "NSC-226121",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": false
        },
        {
          "uuid": "303381ec-31bc-457f-8a76-32702e6a50a6",
          "name": "SKF-106224",
          "stdName": "SKF-106224",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": false
        },
        {
          "uuid": "82d8804c-307e-46bb-a749-a4af293a2392",
          "name": "TESTOSTERONE-17.BETA.-CARBOXYLIC ACID",
          "stdName": "TESTOSTERONE-17.BETA.-CARBOXYLIC ACID",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "20fb51fe-77a7-4185-a48a-c104ea510609"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "20fb51fe-77a7-4185-a48a-c104ea510609",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "8ccc2c32-b0cd-4909-85cc-d0e063472486",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390362000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "3cfed2e6-8ad6-4abb-bd2c-5308366fb479",
          "citation": "SRS import [6E3DV757KY]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=6E3DV757KY",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390362000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "f9480986-33df-65c4-4b5c-7913d271a8e2",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=302-97-6",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "84a0f822-7e70-4a60-a324-040d5a082f2f",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "fd98fcd2-66d0-34fa-d5f8-c09ad94f4f4a",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "f7039605-5dcf-4fc9-9e9f-cbad36c7f0e6",
          "id": "f7039605-5dcf-4fc9-9e9f-cbad36c7f0e6",
          "molfile": "\n  Marvin  01132112482D          \n\n 23 26  0  0  1  0            999 V2000\n    7.8491   -2.4451    0.0000 C   0  0  1  0  0  0  0  0  0  2  0  0\n    8.3281   -3.1205    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.8398   -3.7820    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0611   -3.5184    0.0000 C   0  0  1  0  0  0  0  0  0  2  0  0\n    6.3379   -3.9254    0.0000 C   0  0  2  0  0  0  0  0  0  2  0  0\n    6.3379   -4.7534    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6238   -5.1605    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9190   -4.7488    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2048   -5.1560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.4955   -4.7488    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.7767   -5.1560    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.4955   -3.9161    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2048   -3.4999    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9190   -3.9161    0.0000 C   0  0  1  0  0  0  0  0  0  1  0  0\n    4.9190   -3.0927    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6284   -3.5044    0.0000 C   0  0  1  0  0  0  0  0  0  2  0  0\n    5.6284   -2.6764    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3610   -2.2693    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0611   -2.6949    0.0000 C   0  0  2  0  0  0  0  0  0  2  0  0\n    7.0611   -1.8670    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.8491   -1.6171    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1349   -1.2008    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.5584   -1.2008    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n 19  1  1  0  0  0  0\n  1 21  1  1  0  0  0\n  2  3  1  0  0  0  0\n  4  3  1  1  0  0  0\n  5  4  1  0  0  0  0\n  4 19  1  0  0  0  0\n  5  6  1  6  0  0  0\n  5 16  1  0  0  0  0\n  7  6  1  0  0  0  0\n  7  8  1  0  0  0  0\n  9  8  2  0  0  0  0\n 14  8  1  0  0  0  0\n 10  9  1  0  0  0  0\n 11 10  2  0  0  0  0\n 10 12  1  0  0  0  0\n 12 13  1  0  0  0  0\n 14 13  1  0  0  0  0\n 14 15  1  1  0  0  0\n 16 14  1  0  0  0  0\n 16 17  1  1  0  0  0\n 17 18  1  0  0  0  0\n 19 18  1  0  0  0  0\n 19 20  1  1  0  0  0\n 22 21  1  0  0  0  0\n 23 21  2  0  0  0  0\nM  END",
          "smiles": "C[C@@]12CCC(=O)C=C2CC[C@H]3[C@@H]4CC[C@H](C(=O)O)[C@@]4(C)CC[C@@H]31",
          "formula": "C20H28O3",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ABSOLUTE",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "ac752d1f-210d-4323-9fcb-32a2a27578b1"
          },
          "defined_stereo": 6,
          "ez_centers": 0,
          "molecular_weight": "316.4353",
          "optical_activity": "UNSPECIFIED",
          "stereo_centers": 6
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "88373858-3ea6-4262-89d3-46881b5c8d6a",
      "version": "4",
      "structure": {
        "id": "ac8a94fd-e03a-4220-a2d2-8208c7d40909",
        "molfile": "\n  Marvin  01132108572D          \n\n 26 29  0  0  1  0            999 V2000\n    7.0611   -2.6949    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n    7.0611   -3.5184    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n    6.3379   -3.9254    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n    5.6284   -3.5044    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n    4.9190   -3.9161    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n    4.9190   -4.7488    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2048   -5.1560    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.4955   -4.7488    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.7767   -5.1560    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.4955   -3.9161    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2048   -3.4999    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6238   -5.1605    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3379   -4.7534    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9190   -3.0927    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6284   -4.3278    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6284   -2.6764    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3610   -2.2693    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3379   -3.0974    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0\n    7.8398   -3.7820    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.3281   -3.1205    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.8491   -2.4451    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n    7.8491   -1.6171    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.1349   -1.2008    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.5584   -1.2008    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0611   -4.3463    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0\n    7.0611   -1.8670    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  3  1  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  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  8 10  1  0  0  0  0\n 10 11  1  0  0  0  0\n 11  5  1  0  0  0  0\n 12  6  1  0  0  0  0\n 12 13  1  0  0  0  0\n 13  3  1  0  0  0  0\n  5 14  1  1  0  0  0\n  4 15  1  6  0  0  0\n 16  4  1  0  0  0  0\n 16 17  1  0  0  0  0\n 17  1  1  0  0  0  0\n  3 18  1  1  0  0  0\n 19  2  1  0  0  0  0\n 20 19  1  0  0  0  0\n 20 21  1  0  0  0  0\n 21  1  1  0  0  0  0\n 21 22  1  1  0  0  0\n 23 22  2  0  0  0  0\n 24 22  1  0  0  0  0\n  2 25  1  6  0  0  0\n  1 26  1  1  0  0  0\nM  END",
        "smiles": "C[C@@]12CCC(=O)C=C2CC[C@@]3([H])[C@]4([H])CC[C@H](C(=O)O)[C@@]4(C)CC[C@@]31[H]",
        "formula": "C20H28O3",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ABSOLUTE",
        "defined_stereo": 6,
        "ez_centers": 0,
        "molecular_weight": "316.4353",
        "optical_activity": "UNSPECIFIED",
        "references": [
          "20fb51fe-77a7-4185-a48a-c104ea510609",
          "3cfed2e6-8ad6-4abb-bd2c-5308366fb479"
        ],
        "stereo_centers": 6
      },
      "unii": "6E3DV757KY"
    }
  ]
}