{
  "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": "3ddb95dd-3ba4-44f1-90c1-a8c88888845e",
          "code": "19542-74-6",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=19542-74-6",
          "code_system": "CAS",
          "references": [
            "02d9f816-04a8-42ab-b312-c7564ff336c8",
            "2d2ca07f-2912-4bb5-a398-caf6a4e62395"
          ]
        },
        {
          "uuid": "59bafa5f-cda0-4fee-a114-a3898596a407",
          "code": "243-143-6",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.039.206",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "02d9f816-04a8-42ab-b312-c7564ff336c8"
          ]
        },
        {
          "uuid": "c6faafcb-cf91-44fe-ad3a-6d91458537e2",
          "code": "237163",
          "comments": "RxNorm",
          "type": "PRIMARY",
          "url": "https://rxnav.nlm.nih.gov/REST/rxcui/237163/allProperties.xml?prop=all",
          "code_system": "RXCUI",
          "references": [
            "02d9f816-04a8-42ab-b312-c7564ff336c8"
          ]
        },
        {
          "uuid": "f4e57b6f-0abb-4f77-bcf6-a4cf98c90a9c",
          "code": "SUB00262MIG",
          "type": "PRIMARY",
          "code_system": "EVMPD",
          "references": [
            "02d9f816-04a8-42ab-b312-c7564ff336c8"
          ]
        },
        {
          "uuid": "d9b2b892-110d-1682-4062-42ca6edd1bec",
          "code": "23678798",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/23678798",
          "code_system": "PUBCHEM",
          "references": [
            "1b43f14b-af77-503c-f147-a6d07934a6e9"
          ]
        },
        {
          "uuid": "2ae649a2-55f2-4521-ade8-b800570c0217",
          "code": "NRD80R06FB",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "7a8e33d6-cdf3-dfbe-816d-6528e7acd9ad",
          "code": "DTXSID10941314",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID10941314",
          "code_system": "EPA CompTox",
          "references": [
            "6df2c248-edfd-1c70-bffa-6ca370149dcc"
          ]
        },
        {
          "uuid": "dc78aa38-6a52-74da-4726-5ee6ee253df6",
          "code": "100000078809",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "6e3ee718-a111-e7d8-5db5-31c9a374c080"
          ]
        },
        {
          "uuid": "a062b5db-28c0-fa44-2ef5-ecf67e6e4c7c",
          "code": "NRD80R06FB",
          "type": "PRIMARY",
          "url": "https://dailymed.nlm.nih.gov/dailymed/search.cfm?adv=1&query=(NRD80R06FB)",
          "code_system": "DAILYMED",
          "references": [
            "964f4ae8-9000-e2c8-ae07-197c00ac6188"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "44d68896-7397-496a-ac75-862e5bbfabd6",
          "type": "ACTIVE MOIETY",
          "related_substance": {
            "uuid": "847ee8e7-3c76-45e8-8080-d719ac1f0caa",
            "refuuid": "71b50618-39ae-4910-90d6-654915e20d84",
            "name": "Acetylcysteine",
            "unii": "WYQ7N0BPYC",
            "linking_id": "WYQ7N0BPYC",
            "ref_pname": "Acetylcysteine",
            "substance_class": "reference"
          }
        },
        {
          "uuid": "2dad31a7-4eb4-47b0-949f-18b65d84fb73",
          "type": "PARENT->SALT/SOLVATE",
          "related_substance": {
            "uuid": "05596487-0fe9-4898-bff3-35968107d491",
            "refuuid": "71b50618-39ae-4910-90d6-654915e20d84",
            "name": "Acetylcysteine",
            "unii": "WYQ7N0BPYC",
            "linking_id": "WYQ7N0BPYC",
            "ref_pname": "Acetylcysteine",
            "substance_class": "reference"
          }
        },
        {
          "uuid": "bfb6b0db-eebd-4004-bc41-9b489bbd17e4",
          "amount": {
            "uuid": "0a9c51a8-0962-4df2-bc0c-b5522fe04753"
          },
          "type": "PARENT->SALT/SOLVATE",
          "related_substance": {
            "uuid": "7f4e6ae0-05ea-4b91-8270-7e2c8a755f97",
            "refuuid": "71b50618-39ae-4910-90d6-654915e20d84",
            "name": "Acetylcysteine",
            "unii": "WYQ7N0BPYC",
            "linking_id": "WYQ7N0BPYC",
            "ref_pname": "Acetylcysteine",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "f11d45a5-4bbd-4c2b-9da4-6e44c63af0f3",
          "name": "ACETYLCYSTEINE SODIUM",
          "stdName": "ACETYLCYSTEINE SODIUM",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1aa4dc48-f48a-4d43-9e8f-d15a37658598",
            "6bfb37a7-415f-4862-8877-813bc459a3c8",
            "d40dd2e6-42c3-49ad-9dff-34af81036a17",
            "355b301f-44bf-46e6-be20-be7ab4addfe7",
            "efa4aba1-0924-4b83-96e7-dee65513134c",
            "65cd33b5-5d78-44bf-a7e5-7745f45bc9d0"
          ],
          "display_name": true
        },
        {
          "uuid": "bfed6887-b2a1-4940-b2d5-9ee4597f00a7",
          "name": "ACETYLCYSTEINE SODIUM [MART.]",
          "stdName": "ACETYLCYSTEINE SODIUM [MART.]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "d40dd2e6-42c3-49ad-9dff-34af81036a17"
          ],
          "display_name": false
        },
        {
          "uuid": "8f6d3536-f33e-e714-38b5-73d7540ec3a1",
          "name": "Acetylcysteine sodium [WHO-DD]",
          "stdName": "ACETYLCYSTEINE SODIUM [WHO-DD]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "dc369c6c-cb7f-8a64-e830-2df7e24c7223"
          ],
          "display_name": false
        },
        {
          "uuid": "6d40aa09-5f0f-4dfc-af3a-85791cee5a07",
          "name": "CINNAMIDOPROPYLTRIMONIUM ACETYLCYSTEINATE",
          "stdName": "CINNAMIDOPROPYLTRIMONIUM ACETYLCYSTEINATE",
          "type": "bn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2fc47df4-4bdb-4283-91e0-8f0ab123c6f3"
          ],
          "display_name": false
        },
        {
          "uuid": "b1b6e435-43f0-4c23-b0fd-2aba95588e34",
          "name": "N-ACETYL-L-CYSTEINE SODIUM SALT",
          "stdName": "N-ACETYL-L-CYSTEINE SODIUM SALT",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7a66df7a-f50f-4d3f-a08e-294cc848dc81"
          ],
          "display_name": false
        },
        {
          "uuid": "32dfc632-6abb-45ef-bc35-043b6865fdc3",
          "name": "SODIUM ACETYL CYSTEINATE",
          "stdName": "SODIUM ACETYL CYSTEINATE",
          "type": "of",
          "languages": [
            "en"
          ],
          "preferred": true,
          "references": [
            "259cee41-032b-45e1-9939-94cd943192de",
            "2fc47df4-4bdb-4283-91e0-8f0ab123c6f3",
            "7c7b9488-5b56-41ca-a00b-407a668a8580"
          ],
          "display_name": false,
          "domains": [
            "cosmetic"
          ],
          "name_orgs": [
            {
              "uuid": "c162f171-a79d-4fdc-b811-49396e4e61e7",
              "name_org": "INCI"
            }
          ]
        }
      ],
      "references": [
        {
          "uuid": "1aa4dc48-f48a-4d43-9e8f-d15a37658598",
          "citation": "MARTINDALE",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "efa4aba1-0924-4b83-96e7-dee65513134c",
          "citation": "DDE",
          "doc_type": "WEB PAGE",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "7a66df7a-f50f-4d3f-a08e-294cc848dc81",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "d40dd2e6-42c3-49ad-9dff-34af81036a17",
          "citation": "MARTINDALE 2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2fc47df4-4bdb-4283-91e0-8f0ab123c6f3",
          "citation": "PCPC-DB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "355b301f-44bf-46e6-be20-be7ab4addfe7",
          "citation": "WHO-DD",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "259cee41-032b-45e1-9939-94cd943192de",
          "citation": "PCPC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "02d9f816-04a8-42ab-b312-c7564ff336c8",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390899000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "792b2c22-dba2-411a-968a-74859a49a0b5",
          "citation": "SRS import [NRD80R06FB]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=NRD80R06FB",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390899000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "1012e306-6514-4dbf-9ecd-3d8e109e4809",
          "citation": "USP DICTIONARY 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "6bfb37a7-415f-4862-8877-813bc459a3c8",
          "citation": "ACETYLCYSTEINE SODIUM [MART.]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "7c7b9488-5b56-41ca-a00b-407a668a8580",
          "citation": "SODIUM ACETYL CYSTEINATE [INCI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "65cd33b5-5d78-44bf-a7e5-7745f45bc9d0",
          "citation": "ACETYLCYSTEINE SODIUM [WHO-DD]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "6df2c248-edfd-1c70-bffa-6ca370149dcc",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "2d2ca07f-2912-4bb5-a398-caf6a4e62395",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "1b43f14b-af77-503c-f147-a6d07934a6e9",
          "citation": "PUBCHEM",
          "doc_type": "PUBCHEM",
          "public_domain": true
        },
        {
          "uuid": "dc369c6c-cb7f-8a64-e830-2df7e24c7223",
          "citation": "WHO-DD",
          "doc_type": "WHO DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "964f4ae8-9000-e2c8-ae07-197c00ac6188",
          "citation": "DAILYMED",
          "doc_type": "DAILYMED",
          "public_domain": true
        },
        {
          "uuid": "6e3ee718-a111-e7d8-5db5-31c9a374c080",
          "citation": "EU-SRS",
          "doc_type": "EMA LIST",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "cbc5c23d-d904-4953-a6b1-d1c5ec1dde95",
          "id": "cbc5c23d-d904-4953-a6b1-d1c5ec1dde95",
          "molfile": "\n  Marvin  01132110312D          \n\n  1  0  0  0  1  0            999 V2000\n    3.9957   -2.9628    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": "d8989596-224d-4203-9757-96bde9bef238"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "22.9898",
          "optical_activity": "NONE",
          "stereo_centers": 0
        },
        {
          "uuid": "58944036-8c14-4c26-9a70-fe95c9f2b745",
          "id": "58944036-8c14-4c26-9a70-fe95c9f2b745",
          "molfile": "\n  Marvin  01132104362D          \n\n 10  9  0  0  1  0            999 V2000\n    8.6961   -3.1182    0.0000 C   0  0  2  0  0  0  0  0  0  1  0  0\n    8.6961   -2.2925    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.2775   -1.9752    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9504   -3.5131    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2492   -3.0871    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2492   -2.2571    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5433   -3.4776    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.3885   -3.5354    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.1120   -3.1404    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    9.3885   -4.2499    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  1  4  1  1  0  0  0\n  8  1  1  0  0  0  0\n  3  2  1  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  1  0  0  0  0\n  7  5  2  0  0  0  0\n  9  8  1  0  0  0  0\n 10  8  2  0  0  0  0\nM  CHG  1   9  -1\nM  END",
          "smiles": "CC(=O)N[C@@H](CS)C(=O)[O-]",
          "formula": "C5H8NO3S",
          "atropisomerism": "No",
          "charge": -1,
          "count": 1,
          "stereochemistry": "ABSOLUTE",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "91d28a32-b108-49c4-9a8b-35038682a920"
          },
          "defined_stereo": 1,
          "ez_centers": 0,
          "molecular_weight": "162.1882",
          "optical_activity": "UNSPECIFIED",
          "stereo_centers": 1
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "d293be30-7760-4da3-a6da-8f1872fdb87b",
      "version": "12",
      "structure": {
        "id": "a8acbe87-55d0-4b3a-a50e-a5df487e4ff8",
        "molfile": "\n  Marvin  01132108452D          \n\n 11  9  0  0  1  0            999 V2000\n    8.6961   -3.1182    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0\n    9.3885   -3.5354    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.1120   -3.1404    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    9.3885   -4.2499    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.9504   -3.5131    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2492   -3.0871    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5433   -3.4776    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2492   -2.2571    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6961   -2.2925    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.2775   -1.9752    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    3.9957   -2.9628    0.0000 Na  0  3  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  3  2  1  0  0  0  0\n  4  2  2  0  0  0  0\n  5  1  1  0  0  0  0\n  6  5  1  0  0  0  0\n  7  6  2  0  0  0  0\n  8  6  1  0  0  0  0\n  1  9  1  1  0  0  0\n 10  9  1  0  0  0  0\nM  CHG  2   3  -1  11   1\nM  END",
        "smiles": "CC(=O)N[C@@H](CS)C(=O)[O-].[Na+]",
        "formula": "C5H8NO3S.Na",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ABSOLUTE",
        "defined_stereo": 1,
        "ez_centers": 0,
        "molecular_weight": "185.178",
        "optical_activity": "UNSPECIFIED",
        "references": [
          "1012e306-6514-4dbf-9ecd-3d8e109e4809",
          "792b2c22-dba2-411a-968a-74859a49a0b5"
        ],
        "stereo_centers": 1
      },
      "unii": "NRD80R06FB"
    }
  ]
}