{
  "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": "138709a4-98e4-496c-82e8-96e7ed76eb1e",
          "code": "2N25YX5JXC",
          "type": "PRIMARY",
          "code_system": "FDA UNII",
          "references": [
            "7e79fca0-8023-45a6-a4e6-de882552d5ec"
          ]
        },
        {
          "uuid": "b9d07a95-f643-4bd1-ba23-5c4dc0cff7f3",
          "code": "113158-51-3",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=113158-51-3",
          "code_system": "CAS",
          "references": [
            "7e79fca0-8023-45a6-a4e6-de882552d5ec"
          ]
        },
        {
          "uuid": "2b62d76b-e174-48c1-c48c-5a8a0a121178",
          "code": "439586",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/439586",
          "code_system": "PUBCHEM",
          "references": [
            "d502a908-6ed1-c7c7-ee63-06ee44fdeec6"
          ]
        },
        {
          "uuid": "f29a7c08-3ad9-d0a5-240d-9765de9189aa",
          "code": "DTXSID801157137",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID801157137",
          "code_system": "EPA CompTox",
          "references": [
            "2229f8a9-303e-d21d-7ab0-aa592696364d"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "a2ae5acd-4af0-4a67-a1ca-edf892635818",
          "amount": {
            "uuid": "90c708de-dc39-4a03-8653-ccd30e2e5218"
          },
          "type": "PARENT->IMPURITY",
          "related_substance": {
            "uuid": "79751645-0eb0-4ad1-b7a7-d52ab943f5d4",
            "refuuid": "b4b81fc4-3421-4fb7-93d6-82b42b8f23af",
            "name": "RIMEGEPANT SULFATE",
            "unii": "1383NM3Q0H",
            "linking_id": "1383NM3Q0H",
            "ref_pname": "RIMEGEPANT SULFATE"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "858b90ab-9f2f-4e29-ae0f-82c4dbeae651",
          "name": "(2R,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol",
          "stdName": "(2R,3R,4S,5S,6R)-2-((2R,3S,4R,5R,6R)-4,5-DIHYDROXY-2-(HYDROXYMETHYL)-6-((2R,3S,4R,5R)-4,5,6-TRIHYDROXY-2-(HYDROXYMETHYL)OXAN-3-YL)OXYOXAN-3-YL)OXY-6-(HYDROXYMETHYL)OXANE-3,4,5-TRIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7e79fca0-8023-45a6-a4e6-de882552d5ec"
          ],
          "display_name": false
        },
        {
          "uuid": "46dbe72b-c1eb-40ae-b268-04b6b9ab9318",
          "name": "D-Glucopyranose, O-α-D-glucopyranosyl-(1→4)-O-α-D-glucopyranosyl-(1→4)-",
          "stdName": "D-GLUCOPYRANOSE, O-.ALPHA.-D-GLUCOPYRANOSYL-(1->4)-O-.ALPHA.-D-GLUCOPYRANOSYL-(1->4)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7e79fca0-8023-45a6-a4e6-de882552d5ec"
          ],
          "display_name": false
        },
        {
          "uuid": "370bfdbf-721c-4f4a-ab22-acd7d37113d3",
          "name": "O-α-D-Glucopyranosyl-(1→4)-O-α-D-glucopyranosyl-(1→4)-D-glucopyranose",
          "stdName": "O-.ALPHA.-D-GLUCOPYRANOSYL-(1->4)-O-.ALPHA.-D-GLUCOPYRANOSYL-(1->4)-D-GLUCOPYRANOSE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7e79fca0-8023-45a6-a4e6-de882552d5ec"
          ],
          "display_name": true
        }
      ],
      "references": [
        {
          "uuid": "d502a908-6ed1-c7c7-ee63-06ee44fdeec6",
          "citation": "PUBCHEM",
          "doc_type": "PUBCHEM",
          "public_domain": true
        },
        {
          "uuid": "2229f8a9-303e-d21d-7ab0-aa592696364d",
          "citation": "EPA CompTox",
          "doc_type": "EPA",
          "public_domain": true
        },
        {
          "uuid": "7e79fca0-8023-45a6-a4e6-de882552d5ec",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "PUBLIC_DOMAIN_RELEASE"
          ]
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "8591b9f5-a368-4668-bd71-9395cca3e19d",
          "id": "8591b9f5-a368-4668-bd71-9395cca3e19d",
          "molfile": "\n  CDK     11012315112D\n\n 34 36  0  0  1  0  0  0  0  0999 V2000\n   -2.1995    1.6753    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -3.5022    2.4188    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -3.5096    3.9188    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   -4.8130    4.6630    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -4.8312    6.1810    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n   -6.1367    6.9199    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -7.4292    6.1588    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n   -8.7239    6.8962    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   -8.7330    8.3962    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  -10.0365    9.1384    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  -10.0190    6.1378    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  -10.0206    4.6196    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n  -11.3179    3.8665    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  -12.6187    4.6134    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n  -12.6182    6.1034    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n  -11.3191    6.8532    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  -11.3188    8.3532    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  -13.9180    6.8538    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  -15.2382    6.1042    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  -16.5344    6.8591    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  -15.2387    4.6142    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n  -16.5375    3.8638    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  -13.9189    3.8538    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n  -13.9144    2.3538    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -8.7259    3.8822    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n   -8.7162    2.3822    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -7.4122    4.6530    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   -6.1064    3.9150    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -3.5447    6.9326    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n   -3.5515    8.4326    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -2.2226    6.1762    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   -0.9249    6.9286    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   -2.2231    4.6704    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n   -0.9223    3.9235    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  1  0  0  0\n  3  4  1  0  0  0  0\n  4  5  1  0  0  0  0\n  5  6  1  6  0  0  0\n  7  6  1  1  0  0  0\n  7  8  1  0  0  0  0\n  8  9  1  6  0  0  0\n  9 10  1  0  0  0  0\n  8 11  1  0  0  0  0\n 11 12  1  0  0  0  0\n 12 13  1  1  0  0  0\n 14 13  1  1  0  0  0\n 14 15  1  0  0  0  0\n 15 16  1  6  0  0  0\n 16 17  1  0  0  0  0\n 15 18  1  0  0  0  0\n 18 19  1  0  0  0  0\n 19 20  1  0  0  0  0\n 19 21  1  0  0  0  0\n 21 22  1  1  0  0  0\n 21 23  1  0  0  0  0\n 14 23  1  0  0  0  0\n 23 24  1  6  0  0  0\n 12 25  1  0  0  0  0\n 25 26  1  1  0  0  0\n 25 27  1  0  0  0  0\n  7 27  1  0  0  0  0\n 27 28  1  6  0  0  0\n  5 29  1  0  0  0  0\n 29 30  1  6  0  0  0\n 29 31  1  0  0  0  0\n 31 32  1  1  0  0  0\n 31 33  1  0  0  0  0\n  3 33  1  0  0  0  0\n 33 34  1  6  0  0  0\nM  END",
          "smiles": "C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O[C@@H]2[C@@H](CO)O[C@@H]([C@@H]([C@H]2O)O)O[C@@H]3[C@@H](CO)OC([C@@H]([C@H]3O)O)O)O)O)O)O",
          "formula": "C18H32O16",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "EPIMERIC",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "ff33dabe-6b37-4ed3-9a86-3a854fd1fc8d"
          },
          "defined_stereo": 14,
          "ez_centers": 0,
          "molecular_weight": "504.4378",
          "optical_activity": "UNSPECIFIED",
          "stereo_centers": 15
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "a35a7f42-f038-4c94-a37e-dd69fa7a2db7",
      "version": "7",
      "structure": {
        "id": "337bb89b-4955-4bb6-94f2-2b2ae55ab9ce",
        "molfile": "\n   JSDraw211012315112D\n\n 34 36  0  0  1  0              0 V2000\n   31.9595  -11.5768    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   30.6048  -10.8035    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   30.5971   -9.2436    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   29.2415   -8.4696    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   29.2226   -6.8909    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   27.8649   -6.1224    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   26.5207   -6.9140    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   25.1742   -6.1471    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   25.1648   -4.5871    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   23.8091   -3.8152    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   23.8273   -6.9358    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   23.8257   -8.5147    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   22.4765   -9.2979    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   21.1237   -8.5212    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   21.1242   -6.9716    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   22.4753   -6.1918    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   22.4756   -4.6318    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   19.7724   -6.1912    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   18.3994   -6.9708    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   17.0514   -6.1857    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   18.3989   -8.5203    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   17.0482   -9.3008    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   19.7715   -9.3112    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   19.7762  -10.8711    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   25.1722   -9.2816    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   25.1822  -10.8416    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   26.5384   -8.4800    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   27.8964   -9.2475    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   30.5606   -6.1092    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   30.5535   -4.5493    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   31.9355   -6.8959    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   33.2851   -6.1134    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   31.9350   -8.4619    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   33.2878   -9.2387    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  1  0  0  0\n  3  4  1  0  0  0  0\n  4  5  1  0  0  0  0\n  5  6  1  6  0  0  0\n  7  6  1  1  0  0  0\n  7  8  1  0  0  0  0\n  8  9  1  6  0  0  0\n  9 10  1  0  0  0  0\n  8 11  1  0  0  0  0\n 11 12  1  0  0  0  0\n 12 13  1  1  0  0  0\n 14 13  1  1  0  0  0\n 14 15  1  0  0  0  0\n 15 16  1  6  0  0  0\n 16 17  1  0  0  0  0\n 15 18  1  0  0  0  0\n 18 19  1  0  0  0  0\n 19 20  1  0  0  0  0\n 19 21  1  0  0  0  0\n 21 22  1  1  0  0  0\n 21 23  1  0  0  0  0\n 14 23  1  0  0  0  0\n 23 24  1  6  0  0  0\n 12 25  1  0  0  0  0\n 25 26  1  1  0  0  0\n 25 27  1  0  0  0  0\n  7 27  1  0  0  0  0\n 27 28  1  6  0  0  0\n  5 29  1  0  0  0  0\n 29 30  1  6  0  0  0\n 29 31  1  0  0  0  0\n 31 32  1  1  0  0  0\n 31 33  1  0  0  0  0\n  3 33  1  0  0  0  0\n 33 34  1  6  0  0  0\nM  END",
        "smiles": "C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O[C@@H]2[C@@H](CO)O[C@@H]([C@@H]([C@H]2O)O)O[C@@H]3[C@@H](CO)OC([C@@H]([C@H]3O)O)O)O)O)O)O",
        "formula": "C18H32O16",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "EPIMERIC",
        "defined_stereo": 14,
        "ez_centers": 0,
        "molecular_weight": "504.4378",
        "optical_activity": "UNSPECIFIED",
        "references": [
          "7e79fca0-8023-45a6-a4e6-de882552d5ec"
        ],
        "stereo_centers": 15
      },
      "unii": "2N25YX5JXC"
    }
  ]
}