{
  "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": "75fc8b64-ae3b-4f20-ab40-22ba153aeb96",
          "code": "506-89-8",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=506-89-8",
          "code_system": "CAS",
          "references": [
            "2b53cd70-7e23-45ff-954e-6a8314709f95",
            "8b7d3d4e-49be-4bf9-9d73-09a72403b26e"
          ]
        },
        {
          "uuid": "29ea3b80-22b7-461e-8502-609c01d5b0cf",
          "code": "m11322",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m11322?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "2b53cd70-7e23-45ff-954e-6a8314709f95"
          ]
        },
        {
          "uuid": "ab276758-64ca-41f7-9aa6-94fd457b99c0",
          "code": "SUB15663MIG",
          "type": "PRIMARY",
          "code_system": "EVMPD",
          "references": [
            "2b53cd70-7e23-45ff-954e-6a8314709f95"
          ]
        },
        {
          "uuid": "324cda8d-7344-43cf-8145-e0b737a900ef",
          "code": "208-059-6",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.007.327",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "2b53cd70-7e23-45ff-954e-6a8314709f95"
          ]
        },
        {
          "uuid": "eeeb7648-a8db-4c8b-a419-c00058150ab9",
          "code": "101721",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/101721",
          "code_system": "PUBCHEM",
          "references": [
            "2b53cd70-7e23-45ff-954e-6a8314709f95"
          ]
        },
        {
          "uuid": "7c0720fd-5f6d-3043-112c-3adeb52c87ac",
          "code": "DTXSID6060139",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID6060139",
          "code_system": "EPA CompTox",
          "references": [
            "681f0ec3-e9fe-f878-558a-ef6f619ff2f6"
          ]
        },
        {
          "uuid": "7d829426-b5c5-213d-b8fc-bee735765153",
          "code": "1862866",
          "type": "PRIMARY",
          "url": "https://rxnav.nlm.nih.gov/REST/rxcui/1862866/allProperties.xml?prop=all",
          "code_system": "RXCUI"
        },
        {
          "uuid": "db9a591c-503b-48dd-ac2d-fa209cfd7226",
          "code": "RCE1061F6A",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "cd9717eb-ec19-fd49-ea88-bee78f566e13",
          "code": "RCE1061F6A",
          "type": "PRIMARY",
          "url": "https://dailymed.nlm.nih.gov/dailymed/search.cfm?adv=1&query=RCE1061F6A",
          "code_system": "DAILYMED",
          "references": [
            "063f9801-3a3f-047a-7a4d-94d212270b44"
          ]
        },
        {
          "uuid": "452dae49-ba1e-b565-9f59-79dd9dd408e4",
          "code": "100000077335",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "d26f718d-48d2-2f0f-956d-e395341bd838"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "551cd04f-c084-4cbb-9367-78982a2fa6ad",
          "name": "CARBAMIDE CHLORIDE",
          "stdName": "CARBAMIDE CHLORIDE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "cdb5b395-4d16-42df-82c3-99af4e08784e",
            "c2e2ac2a-d7d5-4dce-9d94-61f076d05582"
          ],
          "display_name": false
        },
        {
          "uuid": "6933b90f-eb13-4579-bcfe-53a656f8aac2",
          "name": "UREA HYDROCHLORIDE",
          "stdName": "UREA HYDROCHLORIDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "68c95ed8-a3aa-4bf1-a83e-5c3dd933985b",
            "2ebe73ea-410d-4d35-8261-6b4fc1938f71",
            "621d2c1d-e44e-486d-977f-0eeb253b268d",
            "c2e2ac2a-d7d5-4dce-9d94-61f076d05582",
            "a5444418-7759-482f-931b-da64495ce679"
          ],
          "display_name": true
        },
        {
          "uuid": "688f31c5-51b8-4f1b-9e2c-ecef9faaf10f",
          "name": "UREA HYDROCHLORIDE (1:1)",
          "stdName": "UREA HYDROCHLORIDE (1:1)",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "cdb5b395-4d16-42df-82c3-99af4e08784e",
            "c2e2ac2a-d7d5-4dce-9d94-61f076d05582"
          ],
          "display_name": false
        },
        {
          "uuid": "301f5d0f-d0cc-47d7-9202-8fc2f789fa34",
          "name": "UREA HYDROCHLORIDE [MI]",
          "stdName": "UREA HYDROCHLORIDE [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2ebe73ea-410d-4d35-8261-6b4fc1938f71",
            "c2e2ac2a-d7d5-4dce-9d94-61f076d05582"
          ],
          "display_name": false
        },
        {
          "uuid": "071a0b4e-c41a-be78-f00b-234d7e0159bb",
          "name": "Urea hydrochloride [WHO-DD]",
          "stdName": "UREA HYDROCHLORIDE [WHO-DD]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3315e03e-05af-2750-e838-11b99029f420"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "2ebe73ea-410d-4d35-8261-6b4fc1938f71",
          "citation": "MERCK",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "c2e2ac2a-d7d5-4dce-9d94-61f076d05582",
          "citation": "MERCK INDEX",
          "doc_type": "MERCK INDEX",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "cdb5b395-4d16-42df-82c3-99af4e08784e",
          "citation": "http://www.lookchem.com/cas-506/506-89-8.html",
          "url": "http://www.lookchem.com/cas-506/506-89-8.html",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "68c95ed8-a3aa-4bf1-a83e-5c3dd933985b",
          "citation": "WHO-DD",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2b53cd70-7e23-45ff-954e-6a8314709f95",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493389705000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "29c354ed-78d2-4e69-b2ea-861e5245c141",
          "citation": "SRS import [RCE1061F6A]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=RCE1061F6A",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493389705000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "4bc2c0a5-3db6-4d7d-b0d2-d2e06529eec6",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "621d2c1d-e44e-486d-977f-0eeb253b268d",
          "citation": "UREA HYDROCHLORIDE [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "a5444418-7759-482f-931b-da64495ce679",
          "citation": "UREA HYDROCHLORIDE [WHO-DD]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "681f0ec3-e9fe-f878-558a-ef6f619ff2f6",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=506-89-8",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "8b7d3d4e-49be-4bf9-9d73-09a72403b26e",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "3315e03e-05af-2750-e838-11b99029f420",
          "citation": "WHO-DD",
          "doc_type": "WHO DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "063f9801-3a3f-047a-7a4d-94d212270b44",
          "citation": "DailyMed",
          "doc_type": "DAILYMED",
          "public_domain": true
        },
        {
          "uuid": "d26f718d-48d2-2f0f-956d-e395341bd838",
          "citation": "EU-SRS",
          "doc_type": "EMA LIST",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "f8efb85f-24fb-4873-b66f-33209c070eea",
          "id": "f8efb85f-24fb-4873-b66f-33209c070eea",
          "molfile": "\n  Marvin  01132112542D          \n\n  1  0  0  0  0  0            999 V2000\n    3.2224   -1.2284    0.0000 Cl  0  0  0  0  0  0  0  0  0  0  0  0\nM  END",
          "smiles": "Cl",
          "formula": "ClH",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "26a680b2-b2be-448c-a392-910c8089f78b"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "36.4609",
          "optical_activity": "NONE",
          "stereo_centers": 0
        },
        {
          "uuid": "8a99dbfe-218d-4fe7-94b3-8f6702db2b22",
          "id": "8a99dbfe-218d-4fe7-94b3-8f6702db2b22",
          "molfile": "\n  Marvin  01132107122D          \n\n  4  3  0  0  0  0            999 V2000\n    0.0000   -1.2284    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7319   -0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4224   -1.2517    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7319    0.0000    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  1  0  0  0  0\n  4  2  2  0  0  0  0\nM  END",
          "smiles": "C(=O)(N)N",
          "formula": "CH4N2O",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "d5013be0-a974-4b6f-9108-4993f5863192"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "60.0553",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "7daf1a9d-565d-453a-9e0c-314d32ba195b",
      "version": "8",
      "structure": {
        "id": "4d8c1da9-0dac-400e-a232-5d451e6e5fcf",
        "molfile": "\n  Marvin  01132104032D          \n\n  5  3  0  0  0  0            999 V2000\n    0.7319   -0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.7319    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -1.2284    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    1.4224   -1.2517    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    3.2224   -1.2284    0.0000 Cl  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\nM  END",
        "smiles": "C(=O)(N)N.Cl",
        "formula": "CH4N2O.ClH",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "96.5162",
        "optical_activity": "NONE",
        "references": [
          "29c354ed-78d2-4e69-b2ea-861e5245c141",
          "4bc2c0a5-3db6-4d7d-b0d2-d2e06529eec6"
        ],
        "stereo_centers": 0
      },
      "unii": "RCE1061F6A"
    }
  ]
}