{
  "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": "f42dc050-75ba-4372-bb39-03f8016abde2",
          "code": "623-51-8",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=623-51-8",
          "code_system": "CAS",
          "references": [
            "e86f754c-ab9a-4988-9a61-dd12473e13e6",
            "ea995373-a2cd-4434-8542-ce2b6a4db8f3"
          ]
        },
        {
          "uuid": "d064b413-6711-4620-815a-bc8e6f3bcfc0",
          "code": "210-800-3",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.009.819",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "e86f754c-ab9a-4988-9a61-dd12473e13e6"
          ]
        },
        {
          "uuid": "1298c4f8-a58e-4d0a-9c03-871226ef0745",
          "code": "12185",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/12185",
          "code_system": "PUBCHEM",
          "references": [
            "e86f754c-ab9a-4988-9a61-dd12473e13e6"
          ]
        },
        {
          "uuid": "a28a3644-6c98-1394-c8f6-21ee0d0b23c0",
          "code": "DTXSID8049337",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID8049337",
          "code_system": "EPA CompTox",
          "references": [
            "377c7ae5-9e28-7019-ec31-c2ecc8e5deb1"
          ]
        },
        {
          "uuid": "f4ca3855-ac36-490a-890b-b90d15521f49",
          "code": "Z5SD8DD6CP",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "fd6ae3ae-669a-0d3a-4ea3-aa18bd1aada1",
          "code": "2533859",
          "type": "PRIMARY",
          "url": "https://rxnav.nlm.nih.gov/REST/rxcui/2533859/allProperties.xml?prop=all",
          "code_system": "RXCUI",
          "references": [
            "f3c78bf2-4c6c-70c2-3088-a4a86df27c4e"
          ]
        },
        {
          "uuid": "0148899a-8cbf-25ee-f310-5a3b7185cd99",
          "code": "8834",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=8834",
          "code_system": "NSC",
          "references": [
            "43799717-34dc-b602-6d5d-f5b88d3bb00c"
          ]
        },
        {
          "uuid": "b55fd00b-c833-ce02-37e9-0ca990bf89c3",
          "code": "Z5SD8DD6CP",
          "type": "PRIMARY",
          "url": "https://dailymed.nlm.nih.gov/dailymed/search.cfm?adv=1&query=Z5SD8DD6CP",
          "code_system": "DAILYMED",
          "references": [
            "9853efd9-17bf-e4d2-658c-7307b578c5ee"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "5aa10147-22e4-4563-94a8-10b8b015a4e3",
          "name": "2-MERCAPTOACETIC ACID ETHYL ESTER",
          "stdName": "2-MERCAPTOACETIC ACID ETHYL ESTER",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1529cc43-0594-4c34-9f7f-fcf0aa1425d6",
            "8ab2ac7f-dec3-4364-bd77-a4e660ac763a"
          ],
          "display_name": false
        },
        {
          "uuid": "66256969-a024-4f82-9183-f361554bfe38",
          "name": "ACETIC ACID, 2-MERCAPTO-, ETHYL ESTER",
          "stdName": "ACETIC ACID, 2-MERCAPTO-, ETHYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1529cc43-0594-4c34-9f7f-fcf0aa1425d6",
            "8ab2ac7f-dec3-4364-bd77-a4e660ac763a"
          ],
          "display_name": false
        },
        {
          "uuid": "5bb5b2a9-bad9-4c50-b2d8-38f2e3e74c4c",
          "name": "ACETIC ACID, MERCAPTO-, ETHYL ESTER",
          "stdName": "ACETIC ACID, MERCAPTO-, ETHYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1529cc43-0594-4c34-9f7f-fcf0aa1425d6",
            "8ab2ac7f-dec3-4364-bd77-a4e660ac763a"
          ],
          "display_name": false
        },
        {
          "uuid": "ea68a461-0b7d-4e65-9ce2-a1e912d2d2ea",
          "name": "ETHOXYCARBONYLMETHANETHIOL",
          "stdName": "ETHOXYCARBONYLMETHANETHIOL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1529cc43-0594-4c34-9f7f-fcf0aa1425d6",
            "8ab2ac7f-dec3-4364-bd77-a4e660ac763a"
          ],
          "display_name": false
        },
        {
          "uuid": "2d8461d7-df52-49c3-b0ca-2ef377aa7ff6",
          "name": "ETHYL 2-MERCAPTOACETATE",
          "stdName": "ETHYL 2-MERCAPTOACETATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1529cc43-0594-4c34-9f7f-fcf0aa1425d6",
            "8ab2ac7f-dec3-4364-bd77-a4e660ac763a"
          ],
          "display_name": false
        },
        {
          "uuid": "3b318d03-c7f4-4495-b8ff-8203395e2d98",
          "name": "ETHYL MERCAPTOACETATE",
          "stdName": "ETHYL MERCAPTOACETATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1529cc43-0594-4c34-9f7f-fcf0aa1425d6",
            "8ab2ac7f-dec3-4364-bd77-a4e660ac763a"
          ],
          "display_name": false
        },
        {
          "uuid": "389ee3b1-ae4d-43b5-ac1e-88bd908d17e6",
          "name": "ETHYL THIOGLYCOLATE",
          "stdName": "ETHYL THIOGLYCOLATE",
          "type": "of",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2bdab8a0-0460-46a8-999c-3bd3289191b9",
            "ef362180-9040-4923-808b-3e499f86849c",
            "8ab2ac7f-dec3-4364-bd77-a4e660ac763a"
          ],
          "display_name": true,
          "domains": [
            "cosmetic"
          ],
          "name_orgs": [
            {
              "uuid": "82822957-8b0c-4dd0-a4c5-56d2fdadc369",
              "name_org": "INCI"
            }
          ]
        },
        {
          "uuid": "ac9774a5-928b-451b-b032-8b36ff7d34d6",
          "name": "NSC-8834",
          "stdName": "NSC-8834",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1529cc43-0594-4c34-9f7f-fcf0aa1425d6",
            "8ab2ac7f-dec3-4364-bd77-a4e660ac763a"
          ],
          "display_name": false
        },
        {
          "uuid": "9475b8ca-84fe-4337-8603-20aebc17912a",
          "name": "THIOGLYCOLIC ACID ETHYL ESTER",
          "stdName": "THIOGLYCOLIC ACID ETHYL ESTER",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "1529cc43-0594-4c34-9f7f-fcf0aa1425d6",
            "8ab2ac7f-dec3-4364-bd77-a4e660ac763a"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "2bdab8a0-0460-46a8-999c-3bd3289191b9",
          "citation": "PCPC-DB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "8ab2ac7f-dec3-4364-bd77-a4e660ac763a",
          "citation": "PERSONAL CARE PRODUCTS COUNCIL",
          "doc_type": "PERSONAL CARE PRODUCTS COUNCIL",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "1529cc43-0594-4c34-9f7f-fcf0aa1425d6",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e86f754c-ab9a-4988-9a61-dd12473e13e6",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391505000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "96146470-dc04-4f62-b2ef-4fac141ff4b0",
          "citation": "SRS import [Z5SD8DD6CP]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=Z5SD8DD6CP",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391505000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ef362180-9040-4923-808b-3e499f86849c",
          "citation": "ETHYL THIOGLYCOLATE [INCI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "377c7ae5-9e28-7019-ec31-c2ecc8e5deb1",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=623-51-8",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "f3c78bf2-4c6c-70c2-3088-a4a86df27c4e",
          "citation": "RXNORM",
          "doc_type": "NLM",
          "public_domain": true
        },
        {
          "uuid": "ea995373-a2cd-4434-8542-ce2b6a4db8f3",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "43799717-34dc-b602-6d5d-f5b88d3bb00c",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "9853efd9-17bf-e4d2-658c-7307b578c5ee",
          "citation": "DailyMed",
          "doc_type": "DAILYMED",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "e011bed4-2dd1-4295-9d22-292fd301bb0b",
          "id": "e011bed4-2dd1-4295-9d22-292fd301bb0b",
          "molfile": "\n  Marvin  01132111362D          \n\n  7  6  0  0  0  0            999 V2000\n    5.9527   -4.6843    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7059   -5.0282    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3777   -4.5512    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1248   -4.8951    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.2043   -5.7118    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7965   -4.4161    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.5557   -4.7599    0.0000 S   0  0  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  3  1  0  0  0  0\n  4  5  2  0  0  0  0\n  4  6  1  0  0  0  0\n  6  7  1  0  0  0  0\nM  END",
          "smiles": "CCOC(=O)CS",
          "formula": "C4H8O2S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "0be54e6c-11ba-40a4-b4d9-3e00297867d8"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "120.1714",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "74b9b423-f062-4777-a4d1-4cf051dde95a",
      "version": "7",
      "structure": {
        "id": "7b6cddda-c344-4fba-8137-06991dd61d0a",
        "molfile": "\n  Marvin  01132106242D          \n\n  7  6  0  0  0  0            999 V2000\n    5.9527   -4.6843    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.5557   -4.7599    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7059   -5.0282    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.2043   -5.7118    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7965   -4.4161    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3777   -4.5512    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1248   -4.8951    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  3  1  1  0  0  0  0\n  5  2  1  0  0  0  0\n  6  3  1  0  0  0  0\n  7  4  2  0  0  0  0\n  7  5  1  0  0  0  0\n  7  6  1  0  0  0  0\nM  END",
        "smiles": "CCOC(=O)CS",
        "formula": "C4H8O2S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "120.1714",
        "optical_activity": "NONE",
        "references": [
          "1529cc43-0594-4c34-9f7f-fcf0aa1425d6",
          "96146470-dc04-4f62-b2ef-4fac141ff4b0"
        ],
        "stereo_centers": 0
      },
      "unii": "Z5SD8DD6CP"
    }
  ]
}