{
  "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": "a5f2843e-e038-44a6-9a3e-c820bb56e627",
          "code": "U4N3FC4SBM",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "45818432-b94f-4b46-a924-197ae91ff0a3",
          "code": "34354-88-6",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=34354-88-6",
          "code_system": "CAS",
          "references": [
            "a2039631-c648-487b-bf4c-aa4ddabeef55"
          ]
        },
        {
          "uuid": "022b4a20-f5b3-0809-7711-9d10462e7c02",
          "code": "DTXSID901335580",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID901335580",
          "code_system": "EPA CompTox",
          "references": [
            "eaece118-516c-e3b1-3ea6-3438e22cc55a"
          ]
        },
        {
          "uuid": "378d3558-7b02-2217-5eb6-5df997c274ac",
          "code": "9898642",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/9898642",
          "code_system": "PUBCHEM",
          "references": [
            "0d5b2e87-769f-b1d6-89e3-ce6881c5d8d4"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "c41daf7b-a5d8-49fe-a2a0-211ae34608d8",
          "name": "C18 Phytoceramide (t18:0/18:0)",
          "stdName": "C18 PHYTOCERAMIDE (T18:0/18:0)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "a2039631-c648-487b-bf4c-aa4ddabeef55"
          ],
          "display_name": false
        },
        {
          "uuid": "e02c856e-a69f-4d21-ac66-aaab8da6a609",
          "name": "N-Stearoyl Phytosphingosine",
          "stdName": "N-STEAROYL PHYTOSPHINGOSINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "a2039631-c648-487b-bf4c-aa4ddabeef55"
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          "display_name": true
        },
        {
          "uuid": "eab48ef9-c78e-4ef0-9e1b-aa985bd360b4",
          "name": "Octadecanamide, N-[(1S,2S,3R)-2,3-dihydroxy-1-(hydroxymethyl)heptadecyl]-",
          "stdName": "OCTADECANAMIDE, N-((1S,2S,3R)-2,3-DIHYDROXY-1-(HYDROXYMETHYL)HEPTADECYL)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "a2039631-c648-487b-bf4c-aa4ddabeef55"
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          "display_name": false
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      ],
      "references": [
        {
          "uuid": "eaece118-516c-e3b1-3ea6-3438e22cc55a",
          "citation": "EPA CompTox",
          "doc_type": "EPA",
          "public_domain": true
        },
        {
          "uuid": "a2039631-c648-487b-bf4c-aa4ddabeef55",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "0d5b2e87-769f-b1d6-89e3-ce6881c5d8d4",
          "citation": "PUBCHEM",
          "doc_type": "PUBCHEM",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
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          "id": "114e693e-ac78-4ff0-955b-3dac870421cc",
          "molfile": "Ceramide 3\n  CDK     06132409472D\n34354-88-6 Copyright (C) 2024 ACS\n 41 40  0  0  1  0  0  0  0  0999 V2000\n   21.3393    2.3101    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   20.0055    3.0801    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   22.6730    3.0801    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   21.3393    0.7700    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   18.6718    2.3101    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n   20.0055    4.6201    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   24.0067    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   22.6730    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   17.3382    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   18.6718    0.7700    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   25.3403    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   24.0067    0.7700    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   16.0045    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   26.6742    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   14.6707    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   28.0078    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.3370    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   29.3415    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.0033    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   30.6752    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.6697    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   32.0090    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.3358    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   33.3427    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.0022    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   34.6763    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6685    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   36.0100    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3348    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   37.3438    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.0010    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   38.6775    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.6673    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   40.0112    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.3337    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   41.3448    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   42.6786    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   44.0123    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   45.3460    2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   46.6797    3.0801    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  1  3  1  0  0  0  0\n  1  4  1  1  0  0  0\n  2  5  1  0  0  0  0\n  2  6  1  1  0  0  0\n  3  7  1  0  0  0  0\n  4  8  1  0  0  0  0\n  5  9  1  0  0  0  0\n  5 10  1  6  0  0  0\n  7 11  1  0  0  0  0\n  7 12  2  0  0  0  0\n  9 13  1  0  0  0  0\n 11 14  1  0  0  0  0\n 13 15  1  0  0  0  0\n 14 16  1  0  0  0  0\n 15 17  1  0  0  0  0\n 16 18  1  0  0  0  0\n 17 19  1  0  0  0  0\n 18 20  1  0  0  0  0\n 19 21  1  0  0  0  0\n 20 22  1  0  0  0  0\n 21 23  1  0  0  0  0\n 22 24  1  0  0  0  0\n 23 25  1  0  0  0  0\n 24 26  1  0  0  0  0\n 25 27  1  0  0  0  0\n 26 28  1  0  0  0  0\n 27 29  1  0  0  0  0\n 28 30  1  0  0  0  0\n 29 31  1  0  0  0  0\n 30 32  1  0  0  0  0\n 31 33  1  0  0  0  0\n 32 34  1  0  0  0  0\n 33 35  1  0  0  0  0\n 34 36  1  0  0  0  0\n 35 37  1  0  0  0  0\n 36 38  1  0  0  0  0\n 38 39  1  0  0  0  0\n 39 40  1  0  0  0  0\n 40 41  1  0  0  0  0\nM  END",
          "smiles": "CCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@@H]([C@@H](CCCCCCCCCCCCCC)O)O",
          "formula": "C36H73NO4",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ABSOLUTE",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "992fb99d-935d-4a3a-b217-a0294960ec1d"
          },
          "defined_stereo": 3,
          "ez_centers": 0,
          "molecular_weight": "583.9705",
          "optical_activity": "UNSPECIFIED",
          "stereo_centers": 3
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "6dfb2298-f760-44a5-8848-b7911cc9ff0d",
      "version": "7",
      "structure": {
        "id": "e6e7ebbf-66e5-414a-bac1-48f10778bdfd",
        "molfile": "Ceramide 3\n   JSDraw206132409472D\n\n 41 40  0  0  1  0              0 V2000\n   23.1750   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   21.8239   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   24.5259   -6.9262    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   23.1750   -9.2661    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   20.4730   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   21.8239   -5.3663    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   25.8768   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   24.5259  -10.0461    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   19.1222   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   20.4730   -9.2661    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   27.2276   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   25.8768   -9.2661    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   17.7712   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   28.5788   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   16.4202   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   29.9296   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   15.0693   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   31.2805   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   13.7184   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   32.6315   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   12.3675   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   33.9825   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   11.0164   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   35.3334   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.6656   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   36.6843   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.3146   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   38.0352   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.9637   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   39.3862   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6127   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   40.7371   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.2618   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   42.0881   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.9109   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   43.4389   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.5600   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   44.7899   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   46.1409   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   47.4918   -7.7061    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   48.8427   -6.9262    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  1  3  1  0  0  0  0\n  1  4  1  1  0  0  0\n  2  5  1  0  0  0  0\n  2  6  1  1  0  0  0\n  3  7  1  0  0  0  0\n  4  8  1  0  0  0  0\n  5  9  1  0  0  0  0\n  5 10  1  6  0  0  0\n  7 11  1  0  0  0  0\n  7 12  2  0  0  0  0\n  9 13  1  0  0  0  0\n 11 14  1  0  0  0  0\n 13 15  1  0  0  0  0\n 14 16  1  0  0  0  0\n 15 17  1  0  0  0  0\n 16 18  1  0  0  0  0\n 17 19  1  0  0  0  0\n 18 20  1  0  0  0  0\n 19 21  1  0  0  0  0\n 20 22  1  0  0  0  0\n 21 23  1  0  0  0  0\n 22 24  1  0  0  0  0\n 23 25  1  0  0  0  0\n 24 26  1  0  0  0  0\n 25 27  1  0  0  0  0\n 26 28  1  0  0  0  0\n 27 29  1  0  0  0  0\n 28 30  1  0  0  0  0\n 29 31  1  0  0  0  0\n 30 32  1  0  0  0  0\n 31 33  1  0  0  0  0\n 32 34  1  0  0  0  0\n 33 35  1  0  0  0  0\n 34 36  1  0  0  0  0\n 35 37  1  0  0  0  0\n 36 38  1  0  0  0  0\n 38 39  1  0  0  0  0\n 39 40  1  0  0  0  0\n 40 41  1  0  0  0  0\nM  END",
        "smiles": "CCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@@H]([C@@H](CCCCCCCCCCCCCC)O)O",
        "formula": "C36H73NO4",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ABSOLUTE",
        "defined_stereo": 3,
        "ez_centers": 0,
        "molecular_weight": "583.9705",
        "optical_activity": "UNSPECIFIED",
        "references": [
          "a2039631-c648-487b-bf4c-aa4ddabeef55"
        ],
        "stereo_centers": 3
      },
      "modifications": {
        "uuid": "660c4cee-25e5-4c99-9263-606e47bcad77"
      },
      "unii": "U4N3FC4SBM"
    }
  ]
}