{
  "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": "6778b268-ed1e-4d98-b592-68bf8eb2bb7a",
          "code": "58214-38-3",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=58214-38-3",
          "code_system": "CAS",
          "references": [
            "68f96f29-e32c-4f10-b77f-a96392038399",
            "7b5e672c-e726-4b46-8116-3eaa0c9bed31"
          ]
        },
        {
          "uuid": "fa1ce211-081e-43a0-9ca3-27f1414c944d",
          "code": "INS-350(I)",
          "comments": "JECFA|Functional Classification|Acidity regulator|Humectant",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemINS=350(i)",
          "code_system": "JECFA EVALUATION",
          "references": [
            "68f96f29-e32c-4f10-b77f-a96392038399"
          ]
        },
        {
          "uuid": "2ca9dc2c-e36a-4efb-97cf-4b92e269ce51",
          "code": "INS-350(I)",
          "comments": "Codex Alimentarius|Functional Classification|Acidity regulator|Humectant",
          "type": "PRIMARY",
          "url": "http://www.fao.org/gsfaonline/additives/details.html?id=374",
          "code_system": "CODEX ALIMENTARIUS (GSFA)",
          "references": [
            "68f96f29-e32c-4f10-b77f-a96392038399"
          ]
        },
        {
          "uuid": "7323b814-f12d-4617-b632-58c131e2c6e1",
          "code": "261-169-6",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.055.590",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "68f96f29-e32c-4f10-b77f-a96392038399"
          ]
        },
        {
          "uuid": "c368f198-8320-a259-234d-78b0ce7589a7",
          "code": "23678821",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/23678821",
          "code_system": "PUBCHEM",
          "references": [
            "c9e7b6a2-4168-a7be-53f3-b2dbf8a1b321"
          ]
        },
        {
          "uuid": "0d24eb67-798d-4278-9312-f9ab06102651",
          "code": "VJ2LXD23XD",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "a700daab-3c59-8ee0-29d4-3f3558bffb5d",
          "code": "DTXSID70905053",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID70905053",
          "code_system": "EPA CompTox"
        }
      ],
      "relationships": [
        {
          "uuid": "a7bc928f-7836-41b8-8750-594beeda8122",
          "type": "PARENT->SALT/SOLVATE",
          "related_substance": {
            "uuid": "98f8f413-4d27-4079-b022-5c65b8bf5f23",
            "refuuid": "0901faae-ac67-4048-a1e2-e194321ea9dd",
            "name": "Malic acid",
            "unii": "817L1N4CKP",
            "linking_id": "817L1N4CKP",
            "ref_pname": "Malic acid",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "77936dae-29b9-46fc-948b-d99ead4de802",
          "name": "BUTANEDIOIC ACID, 2-HYDROXY-, SODIUM SALT (1:1)",
          "stdName": "BUTANEDIOIC ACID, 2-HYDROXY-, SODIUM SALT (1:1)",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "13a24cf1-a9cc-4684-82b8-f7e764241294"
          ],
          "display_name": false
        },
        {
          "uuid": "a25265d7-949e-491d-baa5-82505693a694",
          "name": "BUTANEDIOIC ACID, HYDROXY-, MONOSODIUM SALT",
          "stdName": "BUTANEDIOIC ACID, HYDROXY-, MONOSODIUM SALT",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "13a24cf1-a9cc-4684-82b8-f7e764241294"
          ],
          "display_name": false
        },
        {
          "uuid": "f73b04ed-7848-4d33-b29f-59f85793efbc",
          "name": "E-350(I)",
          "stdName": "E-350(I)",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "05ba7821-52fe-4f9b-8a92-0305154d1a6a"
          ],
          "display_name": false
        },
        {
          "uuid": "94929214-e210-4c70-a293-42880b2b2f5b",
          "name": "INS NO.350(I)",
          "stdName": "INS NO.350(I)",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "05ba7821-52fe-4f9b-8a92-0305154d1a6a"
          ],
          "display_name": false
        },
        {
          "uuid": "98f0d8b5-9e32-4567-adae-b2542afa719b",
          "name": "INS-350(I)",
          "stdName": "INS-350(I)",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "05ba7821-52fe-4f9b-8a92-0305154d1a6a"
          ],
          "display_name": false
        },
        {
          "uuid": "30734640-f7f2-4097-8db8-dc6c3f238ce7",
          "name": "MALIC ACID MONOSODIUM SALT",
          "stdName": "MALIC ACID MONOSODIUM SALT",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "6cdaf7f3-d634-4621-a763-7be32534df94"
          ],
          "display_name": false
        },
        {
          "uuid": "1b951314-625f-4f6d-9965-e866e6b1bd59",
          "name": "MONOSODIUM MALATE",
          "stdName": "MONOSODIUM MALATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "05ba7821-52fe-4f9b-8a92-0305154d1a6a"
          ],
          "display_name": true
        },
        {
          "uuid": "b2ed1670-fda5-45da-945b-3fb6646c83c7",
          "name": "SODIUM HYDROGEN DL-MALATE",
          "stdName": "SODIUM HYDROGEN DL-MALATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "05ba7821-52fe-4f9b-8a92-0305154d1a6a"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "6cdaf7f3-d634-4621-a763-7be32534df94",
          "citation": "http://www.fao.org/ag/agn/jecfa-additives/specs/monograph3/additive-408.pdf",
          "url": "http://www.fao.org/ag/agn/jecfa-additives/specs/monograph3/additive-408.pdf",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "05ba7821-52fe-4f9b-8a92-0305154d1a6a",
          "citation": "http://www.codexalimentarius.net/gsfaonline/additives/details.html?id=374",
          "url": "http://www.codexalimentarius.net/gsfaonline/additives/details.html?id=374",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "13a24cf1-a9cc-4684-82b8-f7e764241294",
          "citation": "SCIFINDER",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "68f96f29-e32c-4f10-b77f-a96392038399",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392365000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "1cd9daa5-903f-4ac8-9d7a-da5fadba412c",
          "citation": "SRS import [VJ2LXD23XD]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=VJ2LXD23XD",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392365000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "533791ee-390b-48d8-81ea-6aeb75cd04f7",
          "citation": "CODEX ALIMENTARIUS FAO/WHO Food Standards",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c9e7b6a2-4168-a7be-53f3-b2dbf8a1b321",
          "citation": "PUBCHEM",
          "doc_type": "PUBCHEM",
          "public_domain": true
        },
        {
          "uuid": "7b5e672c-e726-4b46-8116-3eaa0c9bed31",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "e768cfca-8851-4bfb-acf9-53e2294dda64",
          "id": "e768cfca-8851-4bfb-acf9-53e2294dda64",
          "molfile": "\n  Marvin  01132111582D          \n\n  1  0  0  0  0  0            999 V2000\n    4.2563   -5.7842    0.0000 Na  0  3  0  0  0  0  0  0  0  0  0  0\nM  CHG  1   1   1\nM  END",
          "smiles": "[Na+]",
          "formula": "Na",
          "atropisomerism": "No",
          "charge": 1,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "a0d6e38b-4e25-4ae3-a19c-991e6cceec7c"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "22.9898",
          "optical_activity": "NONE",
          "stereo_centers": 0
        },
        {
          "uuid": "0a2671a6-dada-4bd6-858a-4b4c8bab976b",
          "id": "0a2671a6-dada-4bd6-858a-4b4c8bab976b",
          "molfile": "\n  Marvin  01132100472D          \n\n  9  8  0  0  0  0            999 V2000\n    5.0845   -4.4967    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.3700   -4.0842    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.3700   -3.2591    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.6555   -4.4967    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.9410   -4.0842    0.0000 C   0  0  0  0  0  0  0  0  0  3  0  0\n    2.9410   -3.2591    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    2.2266   -4.4967    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.2266   -5.3217    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    1.5120   -4.0842    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  2  3  2  0  0  0  0\n  4  2  1  0  0  0  0\n  5  4  1  0  0  0  0\n  5  6  1  0  0  0  0\n  7  5  1  0  0  0  0\n  7  8  1  0  0  0  0\n  7  9  2  0  0  0  0\nM  CHG  1   6  -1\nM  END",
          "smiles": "C(C(C(=O)O)[O-])C(=O)O",
          "formula": "C4H5O5",
          "atropisomerism": "No",
          "charge": -1,
          "count": 1,
          "stereochemistry": "RACEMIC",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "09b2c8ec-3588-425f-86cd-bee32285d28f"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "133.0797",
          "optical_activity": "( + / - )",
          "stereo_centers": 1
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "5f40b065-e7a0-42a0-9973-f8fa63323b8e",
      "version": "6",
      "structure": {
        "id": "c6eaf8ae-6a12-4d79-88b8-7b5d890bd6b6",
        "molfile": "\n  Marvin  01132110172D          \n\n 10  8  0  0  0  0            999 V2000\n    2.2266   -4.4967    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.9410   -4.0842    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.2266   -5.3217    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    1.5120   -4.0842    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    3.6555   -4.4967    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.9410   -3.2591    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.3700   -4.0842    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.0845   -4.4967    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.3700   -3.2591    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    4.2566   -5.7846    0.0000 Na  0  3  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  1  3  2  0  0  0  0\n  1  4  1  0  0  0  0\n  2  5  1  0  0  0  0\n  2  6  1  0  0  0  0\n  5  7  1  0  0  0  0\n  7  8  2  0  0  0  0\n  7  9  1  0  0  0  0\nM  CHG  2   9  -1  10   1\nM  END",
        "smiles": "C(C(C(=O)O)O)C(=O)[O-].[Na+]",
        "formula": "C4H5O5.Na",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "RACEMIC",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "156.0694",
        "optical_activity": "( + / - )",
        "references": [
          "533791ee-390b-48d8-81ea-6aeb75cd04f7",
          "1cd9daa5-903f-4ac8-9d7a-da5fadba412c"
        ],
        "stereo_centers": 1
      },
      "unii": "VJ2LXD23XD"
    }
  ]
}