{
  "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": "a9de1e6f-9bff-40e0-baf4-21b399cfaa5c",
          "code": "19342-33-7",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=19342-33-7",
          "code_system": "CAS",
          "references": [
            "e528c32c-e71e-469f-8767-3a41c90744ab",
            "288dc183-ffa8-4c14-8fa3-ebcbb1cbd657"
          ]
        },
        {
          "uuid": "0f7ecc2f-9c4a-48f4-854a-b995c154bf03",
          "code": "m9893",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m9893",
          "code_system": "MERCK INDEX",
          "references": [
            "e528c32c-e71e-469f-8767-3a41c90744ab"
          ]
        },
        {
          "uuid": "ac23dd0f-d7b8-4147-8157-71a0db9195a2",
          "code": "445063",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/445063",
          "code_system": "PUBCHEM",
          "references": [
            "e528c32c-e71e-469f-8767-3a41c90744ab"
          ]
        },
        {
          "uuid": "eb5df2a7-063a-cb70-69bd-728e3b3b4aac",
          "code": "DB04265",
          "type": "PRIMARY",
          "url": "https://go.drugbank.com/drugs/DB04265",
          "code_system": "DRUG BANK",
          "references": [
            "b9fd8701-091a-02cc-2107-c49e380709ff"
          ]
        },
        {
          "uuid": "b1f1bc63-33b9-4803-bb3a-b3f39a28c7b4",
          "code": "TIP79W5HPN",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "34f1c8ff-3b6f-97e8-df57-3b080d9b4bc1",
          "code": "DTXSID80864309",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID80864309",
          "code_system": "EPA CompTox",
          "references": [
            "376146a0-983f-e1d2-eb1d-84bbe33db5e4"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "c58ac367-936b-4e46-bc37-34297be01cf7",
          "type": "SALT/SOLVATE->PARENT",
          "related_substance": {
            "uuid": "6448eb28-9901-4e25-be5a-d08132f19d62",
            "refuuid": "0d9d85aa-1ac4-49db-a3ff-95a12649e244",
            "name": "SODIUM N-ACETYL-.BETA.-NEURAMINATE",
            "unii": "C4WSL8GQZ2",
            "linking_id": "C4WSL8GQZ2",
            "ref_pname": "SODIUM N-ACETYL-.BETA.-NEURAMINATE",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "91eeb87b-b523-409c-8080-ac1c8f99a1d5",
          "name": "(-)-N-ACETYL-.BETA.-NEURAMINIC ACID",
          "stdName": "(-)-N-ACETYL-.BETA.-NEURAMINIC ACID",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "28b47abe-49de-4f15-8999-298d3dbf199c",
            "26b96ee3-20d8-4f30-94b9-a63b2b72753b"
          ],
          "display_name": false
        },
        {
          "uuid": "4ec930a5-1d71-44ac-9334-ba5daeaa1de0",
          "name": ".BETA.-NEURAMINIC ACID, N-ACETYL-",
          "stdName": ".BETA.-NEURAMINIC ACID, N-ACETYL-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "28b47abe-49de-4f15-8999-298d3dbf199c",
            "ac4e47af-9982-4d1e-9f35-0f88ecb1c947"
          ],
          "display_name": false
        },
        {
          "uuid": "aad1ba33-cc6c-4b7f-a3e6-f3e06a3cb868",
          "name": "D-GLYCERO-.BETA.-D-GALACTO-2-NONULOPYRANOSONIC ACID, 5-(ACETYLAMINO)-3,5-DIDEOXY-",
          "stdName": "D-GLYCERO-.BETA.-D-GALACTO-2-NONULOPYRANOSONIC ACID, 5-(ACETYLAMINO)-3,5-DIDEOXY-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "28b47abe-49de-4f15-8999-298d3dbf199c",
            "ac4e47af-9982-4d1e-9f35-0f88ecb1c947"
          ],
          "display_name": false
        },
        {
          "uuid": "5b1abbf4-ff9d-4fbd-b44e-5ef98fb9d9ac",
          "name": "D-GLYCERO-D-GALACTO-NONULOPYRANOSONIC ACID, 5-ACETAMIDO-3,5-DIDEOXY-, .BETA.-",
          "stdName": "D-GLYCERO-D-GALACTO-NONULOPYRANOSONIC ACID, 5-ACETAMIDO-3,5-DIDEOXY-, .BETA.-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "28b47abe-49de-4f15-8999-298d3dbf199c",
            "ac4e47af-9982-4d1e-9f35-0f88ecb1c947"
          ],
          "display_name": false
        },
        {
          "uuid": "8c2d8ff9-5f1a-4768-82ee-379b0254175e",
          "name": "N-ACETYL-.BETA.-D-NEURAMINIC ACID",
          "stdName": "N-ACETYL-.BETA.-D-NEURAMINIC ACID",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "28b47abe-49de-4f15-8999-298d3dbf199c",
            "ac4e47af-9982-4d1e-9f35-0f88ecb1c947"
          ],
          "display_name": false
        },
        {
          "uuid": "1c4bb729-e4ab-4422-ab38-c0270dfe4c94",
          "name": "N-ACETYL-.BETA.-NEURAMINIC ACID",
          "stdName": "N-ACETYL-.BETA.-NEURAMINIC ACID",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9ac862d6-9bd8-46cd-9ce9-53cc6034f300",
            "28b47abe-49de-4f15-8999-298d3dbf199c"
          ],
          "display_name": true
        },
        {
          "uuid": "e1d1a0fe-be00-419d-8ef9-7b81bd588449",
          "name": "N-ACETYL-.BETA.-NEURAMINIC ACID, (-)-",
          "stdName": "N-ACETYL-.BETA.-NEURAMINIC ACID, (-)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "28b47abe-49de-4f15-8999-298d3dbf199c",
            "26b96ee3-20d8-4f30-94b9-a63b2b72753b"
          ],
          "display_name": false
        },
        {
          "uuid": "d6833930-717d-47e8-85b9-9a17b392930d",
          "name": "SIALIC ACIDS N-ACETYL-.BETA.-NEURAMINIC ACID [MI]",
          "stdName": "SIALIC ACIDS N-ACETYL-.BETA.-NEURAMINIC ACID [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "28b47abe-49de-4f15-8999-298d3dbf199c",
            "c27a33b5-a168-4faa-bfbb-c3da90a7bf28"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "9ac862d6-9bd8-46cd-9ce9-53cc6034f300",
          "citation": "stn",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "28b47abe-49de-4f15-8999-298d3dbf199c",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ac4e47af-9982-4d1e-9f35-0f88ecb1c947",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "26b96ee3-20d8-4f30-94b9-a63b2b72753b",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c27a33b5-a168-4faa-bfbb-c3da90a7bf28",
          "citation": "MERCK",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e528c32c-e71e-469f-8767-3a41c90744ab",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391760000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a204ce33-c066-463e-9dde-2ed75b5a7012",
          "citation": "SRS import [TIP79W5HPN]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=TIP79W5HPN",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391760000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b9fd8701-091a-02cc-2107-c49e380709ff",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "288dc183-ffa8-4c14-8fa3-ebcbb1cbd657",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "aa96ee9e-2625-b505-8766-eab639f00d68",
          "citation": "STARI",
          "doc_type": "CFSAN",
          "public_domain": true
        },
        {
          "uuid": "376146a0-983f-e1d2-eb1d-84bbe33db5e4",
          "citation": "EPA CompTox",
          "doc_type": "EPA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "b198b379-411e-4767-8ef9-1bb7619aacdc",
          "id": "b198b379-411e-4767-8ef9-1bb7619aacdc",
          "molfile": "\n  Marvin  01132109122D          \n\n 21 21  0  0  1  0            999 V2000\n   14.8296   -8.3724    0.0000 C   0  0  2  0  0  0  0  0  0  1  0  0\n   14.2976   -7.7391    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   15.6432   -8.2282    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.9246   -7.4507    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   14.5482   -9.1454    0.0000 C   0  0  1  0  0  0  0  0  0  1  0  0\n   15.0757   -9.7788    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   13.7347   -9.2896    0.0000 C   0  0  2  0  0  0  0  0  0  1  0  0\n   13.7347   -8.4654    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   13.0211   -8.0510    0.0000 C   0  0  1  0  0  0  0  0  0  2  0  0\n   13.5486   -7.4223    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   12.3077   -8.4654    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.3077   -9.2896    0.0000 C   0  0  2  0  0  0  0  0  0  2  0  0\n   11.5943   -9.7041    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   13.0211   -9.7040    0.0000 C   0  0  1  0  0  0  0  0  0  1  0  0\n   13.0211  -10.5283    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   13.7347  -10.9380    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.7347  -11.7622    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.4481  -10.5282    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   12.4891   -7.4223    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.6756   -7.5618    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   12.7706   -6.6447    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  6  0  0  0\n  1  3  1  0  0  0  0\n  5  1  1  0  0  0  0\n  3  4  1  0  0  0  0\n  5  6  1  1  0  0  0\n  7  5  1  0  0  0  0\n  7  8  1  1  0  0  0\n 14  7  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  1  6  0  0  0\n 11  9  1  0  0  0  0\n  9 19  1  0  0  0  0\n 12 11  1  0  0  0  0\n 12 13  1  1  0  0  0\n 14 12  1  0  0  0  0\n 14 15  1  6  0  0  0\n 15 16  1  0  0  0  0\n 16 17  1  0  0  0  0\n 16 18  2  0  0  0  0\n 19 20  1  0  0  0  0\n 19 21  2  0  0  0  0\nM  END",
          "smiles": "CC(=O)N[C@@H]1[C@H](C[C@](C(=O)O)(O)O[C@H]1[C@@H]([C@@H](CO)O)O)O",
          "formula": "C11H19NO9",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ABSOLUTE",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "fa738654-f357-4769-ada1-2efd9025cbed"
          },
          "defined_stereo": 6,
          "ez_centers": 0,
          "molecular_weight": "309.2703",
          "optical_activity": "UNSPECIFIED",
          "stereo_centers": 6
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "15838db2-9edc-4a00-990d-e2bf137b9c9c",
      "version": "6",
      "structure": {
        "id": "7b6c5736-cdb9-41b0-b1c5-8015b2105d5f",
        "molfile": "\n  Marvin  01132106242D          \n\n 22 22  0  0  1  0            999 V2000\n   12.3077   -8.4654    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.0211   -8.0510    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   13.5486   -7.4223    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   12.4891   -7.4223    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.6756   -7.5618    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   12.7706   -6.6447    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   13.7347   -8.4654    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   13.7347   -9.2896    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   14.0162  -10.0626    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0\n   14.5482   -9.1454    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   14.8296   -8.3724    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   15.6432   -8.2282    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.9246   -7.4507    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   14.2976   -7.7391    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   15.0757   -9.7788    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   13.0211   -9.7040    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0\n   13.0211  -10.5283    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   13.7347  -10.9380    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.7347  -11.7622    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.4481  -10.5282    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   12.3077   -9.2896    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   11.5943   -9.7041    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  2  3  1  6  0  0  0\n  2  4  1  0  0  0  0\n  4  5  2  0  0  0  0\n  4  6  1  0  0  0  0\n  7  2  1  0  0  0  0\n  8  7  1  0  0  0  0\n  8  9  1  6  0  0  0\n  8 10  1  0  0  0  0\n 10 11  1  0  0  0  0\n 11 12  1  0  0  0  0\n 12 13  1  0  0  0  0\n 11 14  1  6  0  0  0\n 10 15  1  1  0  0  0\n 16  8  1  0  0  0  0\n 16 17  1  6  0  0  0\n 17 18  1  0  0  0  0\n 18 19  1  0  0  0  0\n 18 20  2  0  0  0  0\n 21 16  1  0  0  0  0\n  1 21  1  0  0  0  0\n 21 22  1  1  0  0  0\nM  END",
        "smiles": "CC(=O)N[C@@H]1[C@H](C[C@](C(=O)O)(O)O[C@@]1([H])[C@@H]([C@@H](CO)O)O)O",
        "formula": "C11H19NO9",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ABSOLUTE",
        "defined_stereo": 6,
        "ez_centers": 0,
        "molecular_weight": "309.2703",
        "optical_activity": "UNSPECIFIED",
        "references": [
          "9ac862d6-9bd8-46cd-9ce9-53cc6034f300",
          "a204ce33-c066-463e-9dde-2ed75b5a7012"
        ],
        "stereo_centers": 6
      },
      "unii": "TIP79W5HPN"
    }
  ]
}