{
  "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": "a0dfd81c-1ed3-41a5-b09e-4e8a3f4c8e1d",
          "code": "64485-90-1",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=64485-90-1",
          "code_system": "CAS",
          "references": [
            "2961c793-2d2d-1a40-ca5a-bea4e0bbf38b"
          ]
        },
        {
          "uuid": "fbbe63f0-a5df-117b-fb13-7af82e55bb9a",
          "code": "5928144",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/5928144",
          "code_system": "PUBCHEM",
          "references": [
            "a56f87e0-d99f-c5d1-e848-6eec19f4c5de"
          ]
        },
        {
          "uuid": "0a1de2c6-2c77-4ba7-90a5-2b7b2241ccd8",
          "code": "9FS2IS2HR2",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "d3ba1e72-9aea-6ec6-560b-c85fe1284e2f",
          "code": "DTXSID70983053",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID70983053",
          "code_system": "EPA CompTox"
        }
      ],
      "relationships": [
        {
          "uuid": "3199d09c-83d2-4222-8242-bc77ce1a6f12",
          "amount": {
            "uuid": "b67684b4-5434-467e-a3fb-8c7bd127c74e",
            "units": "PERCENT PEAK AREA",
            "high_limit": 0.5
          },
          "qualification": "USP",
          "type": "PARENT->IMPURITY",
          "interaction_type": "CHROMATOGRAPHIC PURITY (HPLC/UV)",
          "references": [
            "dbe306c6-2858-44b9-ceb2-5dd5d0051f78"
          ],
          "related_substance": {
            "uuid": "c47ebd35-7035-44d3-99ff-a4057b24b7da",
            "refuuid": "40c6bfff-88e1-4cb5-a6c9-0618512095f4",
            "name": "CEFTIOFUR HYDROCHLORIDE",
            "unii": "6822A07436",
            "linking_id": "6822A07436",
            "ref_pname": "CEFTIOFUR HYDROCHLORIDE",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "91003653-be43-e8bf-e198-e3f088cdcf8b",
          "name": "(Z)-2-(METHOXYIMINO)-2-(2-(TRITYLAMINO)THIAZOL-4-YL)ACETIC ACID",
          "stdName": "(Z)-2-(METHOXYIMINO)-2-(2-(TRITYLAMINO)THIAZOL-4-YL)ACETIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dbe306c6-2858-44b9-ceb2-5dd5d0051f78"
          ],
          "display_name": false
        },
        {
          "uuid": "1ad4ade7-06d8-b772-e936-80d1fd26171c",
          "name": "4-THIAZOLEACETIC ACID, .ALPHA.-(METHOXYIMINO)-2-((TRIPHENYLMETHYL)AMINO)-, (.ALPHA.Z)-",
          "stdName": "4-THIAZOLEACETIC ACID, .ALPHA.-(METHOXYIMINO)-2-((TRIPHENYLMETHYL)AMINO)-, (.ALPHA.Z)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2961c793-2d2d-1a40-ca5a-bea4e0bbf38b"
          ],
          "display_name": false
        },
        {
          "uuid": "9daacbc7-2617-ca65-f36a-3413105a8709",
          "name": "CEFTIOFUR RELATED COMPOUND J [USP IMPURITY]",
          "stdName": "CEFTIOFUR RELATED COMPOUND J [USP IMPURITY]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dbe306c6-2858-44b9-ceb2-5dd5d0051f78"
          ],
          "display_name": false
        },
        {
          "uuid": "7d4d68e8-858b-31ea-c3df-704d569976bf",
          "name": "N-TRITYL CEFTIOFUR OXIME",
          "stdName": "N-TRITYL CEFTIOFUR OXIME",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dbe306c6-2858-44b9-ceb2-5dd5d0051f78"
          ],
          "display_name": true
        },
        {
          "uuid": "adc6acfa-eaa7-e557-7013-7bf1bb6fb930",
          "name": "N-TRITYL CEFTIOFUR OXIME [USP IMPURITY]",
          "stdName": "N-TRITYL CEFTIOFUR OXIME [USP IMPURITY]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dbe306c6-2858-44b9-ceb2-5dd5d0051f78"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "3aae0181-ec4c-4c79-a8ad-87a1d69c8c61",
          "citation": "SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2961c793-2d2d-1a40-ca5a-bea4e0bbf38b",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "PUBLIC_DOMAIN_RELEASE",
            "NOMEN"
          ]
        },
        {
          "uuid": "dbe306c6-2858-44b9-ceb2-5dd5d0051f78",
          "citation": "USP43-NF38 - 875, Ceftiofur Hydrochloride Monograph",
          "doc_type": "USPNF",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "a56f87e0-d99f-c5d1-e848-6eec19f4c5de",
          "citation": "PUBCHEM",
          "doc_type": "PUBCHEM",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "0ca204c5-273d-4e9d-a48d-0671d54861cd",
          "id": "0ca204c5-273d-4e9d-a48d-0671d54861cd",
          "molfile": "\n  Marvin  01132100542D          \n\n 32 35  0  0  0  0            999 V2000\n   16.7782   -4.2022    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   16.0647   -3.7881    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.3494   -4.1991    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   16.0664   -2.9632    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   14.6359   -3.7852    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.3477   -5.0241    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   14.6343   -2.9602    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.8493   -2.7066    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n   13.3655   -3.3748    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.8516   -4.0414    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   12.5406   -3.3763    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   11.9846   -4.3181    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.6996   -4.7297    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.5733   -3.6030    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.2708   -4.7316    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.7008   -5.5547    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.4158   -5.9662    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.1297   -5.5528    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.1286   -4.7278    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.4136   -4.3162    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.5552   -4.3209    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.8418   -4.7316    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.8418   -5.5566    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.5552   -5.9672    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.2708   -5.5566    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.9869   -2.8892    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.5755   -2.1741    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.7505   -2.1728    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.3369   -2.8866    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.7483   -3.6017    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   16.0613   -5.4381    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   16.7758   -5.0256    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  2  3  1  0  0  0  0\n  2  4  2  0  0  0  0\n  3  5  1  0  0  0  0\n  3  6  2  0  0  0  0\n  5  7  2  0  0  0  0\n 10  5  1  0  0  0  0\n  6 31  1  0  0  0  0\n  7  8  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  2  0  0  0  0\n  9 11  1  0  0  0  0\n 11 12  1  0  0  0  0\n 12 13  1  0  0  0  0\n 12 14  1  0  0  0  0\n 12 15  1  0  0  0  0\n 13 16  2  0  0  0  0\n 20 13  1  0  0  0  0\n 14 26  2  0  0  0  0\n 30 14  1  0  0  0  0\n 15 21  2  0  0  0  0\n 25 15  1  0  0  0  0\n 16 17  1  0  0  0  0\n 17 18  2  0  0  0  0\n 18 19  1  0  0  0  0\n 19 20  2  0  0  0  0\n 21 22  1  0  0  0  0\n 22 23  2  0  0  0  0\n 23 24  1  0  0  0  0\n 24 25  2  0  0  0  0\n 26 27  1  0  0  0  0\n 27 28  2  0  0  0  0\n 28 29  1  0  0  0  0\n 29 30  2  0  0  0  0\n 31 32  1  0  0  0  0\nM  END",
          "smiles": "CO/N=C(/c1csc(n1)NC(c2ccccc2)(c3ccccc3)c4ccccc4)\\C(=O)O",
          "formula": "C25H21N3O3S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "615bb65f-ed64-4c1c-a6cb-503638882bd0"
          },
          "defined_stereo": 0,
          "ez_centers": 1,
          "molecular_weight": "443.5196",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "255d61ff-b7c6-41e8-aef4-42daa714eb50",
      "version": "11",
      "structure": {
        "id": "93d5add5-771b-42c9-9b33-0d083e1db27a",
        "molfile": "\n  Marvin  01132107402D          \n\n 32 35  0  0  0  0            999 V2000\n   16.7782   -4.2022    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   16.0647   -3.7881    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.3494   -4.1991    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   16.0664   -2.9632    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   14.6359   -3.7852    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.3477   -5.0241    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   14.6343   -2.9602    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.8493   -2.7066    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n   13.3655   -3.3748    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.8516   -4.0414    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   12.5406   -3.3763    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   11.9846   -4.3181    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.6996   -4.7297    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.5733   -3.6030    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.2708   -4.7316    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.7008   -5.5547    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.4158   -5.9662    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.1297   -5.5528    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.1286   -4.7278    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.4136   -4.3162    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.5552   -4.3209    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.8418   -4.7316    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.8418   -5.5566    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.5552   -5.9672    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.2708   -5.5566    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.9869   -2.8892    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.5755   -2.1741    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.7505   -2.1728    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.3369   -2.8866    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.7483   -3.6017    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   16.0613   -5.4381    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   16.7758   -5.0256    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  2  3  1  0  0  0  0\n  2  4  2  0  0  0  0\n  3  5  1  0  0  0  0\n  3  6  2  0  0  0  0\n  5  7  2  0  0  0  0\n  7  8  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  2  0  0  0  0\n 10  5  1  0  0  0  0\n  9 11  1  0  0  0  0\n 11 12  1  0  0  0  0\n 12 13  1  0  0  0  0\n 12 14  1  0  0  0  0\n 12 15  1  0  0  0  0\n 13 16  2  0  0  0  0\n 16 17  1  0  0  0  0\n 17 18  2  0  0  0  0\n 18 19  1  0  0  0  0\n 19 20  2  0  0  0  0\n 20 13  1  0  0  0  0\n 15 21  2  0  0  0  0\n 21 22  1  0  0  0  0\n 22 23  2  0  0  0  0\n 23 24  1  0  0  0  0\n 24 25  2  0  0  0  0\n 25 15  1  0  0  0  0\n 14 26  2  0  0  0  0\n 26 27  1  0  0  0  0\n 27 28  2  0  0  0  0\n 28 29  1  0  0  0  0\n 29 30  2  0  0  0  0\n 30 14  1  0  0  0  0\n  6 31  1  0  0  0  0\n 31 32  1  0  0  0  0\nM  END",
        "smiles": "CO/N=C(/c1csc(n1)NC(c2ccccc2)(c3ccccc3)c4ccccc4)\\C(=O)O",
        "formula": "C25H21N3O3S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 1,
        "molecular_weight": "443.5196",
        "optical_activity": "NONE",
        "references": [
          "3aae0181-ec4c-4c79-a8ad-87a1d69c8c61"
        ],
        "stereo_centers": 0
      },
      "unii": "9FS2IS2HR2"
    }
  ]
}