{
  "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": "da701440-60e8-4e5f-94dd-78151ac86400",
          "code": "10595-80-9",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=10595-80-9",
          "code_system": "CAS",
          "references": [
            "b96d8666-4930-40ae-b5b4-9b43579675b7",
            "67e9764c-7c11-4152-a284-a03d993954f7"
          ]
        },
        {
          "uuid": "fdb6afec-05d3-43e9-9ca5-3b3019552c6d",
          "code": "C529625",
          "type": "PRIMARY",
          "url": "http://www.ncbi.nlm.nih.gov/mesh/67529625",
          "code_system": "MESH",
          "references": [
            "b96d8666-4930-40ae-b5b4-9b43579675b7"
          ]
        },
        {
          "uuid": "0749cb4c-ca7b-471a-848c-09051c6aa4a9",
          "code": "234-207-4",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.031.086",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "b96d8666-4930-40ae-b5b4-9b43579675b7"
          ]
        },
        {
          "uuid": "510abd73-303f-4cb2-b5a5-8480702f59c7",
          "code": "74543",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/74543",
          "code_system": "PUBCHEM",
          "references": [
            "b96d8666-4930-40ae-b5b4-9b43579675b7"
          ]
        },
        {
          "uuid": "84a47d0c-86c5-9a57-2dea-c563bf525748",
          "code": "DTXSID6044775",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID6044775",
          "code_system": "EPA CompTox",
          "references": [
            "6aa4723c-17d7-a368-8c69-e894c4c7d409"
          ]
        },
        {
          "uuid": "01381ae2-0e33-4493-a804-fe4d0ee1cf09",
          "code": "N73M5PV49L",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        }
      ],
      "relationships": [
        {
          "uuid": "9cc52637-6f5e-4767-b217-2818b8661bd9",
          "type": "SALT/SOLVATE->PARENT",
          "related_substance": {
            "uuid": "8af60ce7-ded6-48bf-8137-b27423955f3f",
            "refuuid": "99eb6a32-3196-48ee-8e16-48ba062fedd7",
            "name": "SODIUM 2-SULFOETHYL METHACRYLATE",
            "unii": "WIF4U5LXQ4",
            "linking_id": "WIF4U5LXQ4",
            "ref_pname": "SODIUM 2-SULFOETHYL METHACRYLATE",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "c989d7ef-a3b5-4fbf-b4b8-f96f5ed3a54e",
          "name": "2-(METHACRYLOYLOXY)ETHANESULFONIC ACID",
          "stdName": "2-(METHACRYLOYLOXY)ETHANESULFONIC ACID",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0011adbc-a69d-45a6-94b1-6f1a13196992",
            "ebee46d8-9454-447c-824a-8c4969f12f63"
          ],
          "display_name": false
        },
        {
          "uuid": "3521e197-37f3-4529-8878-7193899d8e3e",
          "name": "2-SULFOETHYL METHACRYLATE",
          "stdName": "2-SULFOETHYL METHACRYLATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0011adbc-a69d-45a6-94b1-6f1a13196992"
          ],
          "display_name": true
        },
        {
          "uuid": "b0faef3d-ce71-4e8f-8eab-53485f033850",
          "name": "ETHANESULFONIC ACID, 2-HYDROXY-, METHACRYLATE",
          "stdName": "ETHANESULFONIC ACID, 2-HYDROXY-, METHACRYLATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0011adbc-a69d-45a6-94b1-6f1a13196992",
            "ebee46d8-9454-447c-824a-8c4969f12f63"
          ],
          "display_name": false
        },
        {
          "uuid": "14ef8bb2-783a-4cea-99ac-95374d8c3423",
          "name": "METHACRYLIC ACID 2-HYDROXYETHANESULFONIC ACID ESTER",
          "stdName": "METHACRYLIC ACID 2-HYDROXYETHANESULFONIC ACID ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0011adbc-a69d-45a6-94b1-6f1a13196992",
            "ebee46d8-9454-447c-824a-8c4969f12f63"
          ],
          "display_name": false
        },
        {
          "uuid": "ce2c758b-41fc-4e08-95c0-d3960e62f117",
          "name": "METHACRYLIC ACID, 2-SULFOETHYL ESTER",
          "stdName": "METHACRYLIC ACID, 2-SULFOETHYL ESTER",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0011adbc-a69d-45a6-94b1-6f1a13196992",
            "ebee46d8-9454-447c-824a-8c4969f12f63"
          ],
          "display_name": false
        },
        {
          "uuid": "d36558c3-c76e-4aaf-8374-46d61c5c16b0",
          "name": "METHACRYLIC ACID, ESTER WITH 2-HYDROXYETHANESULFONIC ACID",
          "stdName": "METHACRYLIC ACID, ESTER WITH 2-HYDROXYETHANESULFONIC ACID",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0011adbc-a69d-45a6-94b1-6f1a13196992",
            "ebee46d8-9454-447c-824a-8c4969f12f63"
          ],
          "display_name": false
        },
        {
          "uuid": "64677e5b-9779-44e0-8459-abaae5f904df",
          "name": "SULFOETHYL METHACRYLATE",
          "stdName": "SULFOETHYL METHACRYLATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0011adbc-a69d-45a6-94b1-6f1a13196992",
            "ebee46d8-9454-447c-824a-8c4969f12f63"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "0011adbc-a69d-45a6-94b1-6f1a13196992",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "ebee46d8-9454-447c-824a-8c4969f12f63",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b96d8666-4930-40ae-b5b4-9b43579675b7",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391001000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "7017ba4c-e9ad-4123-b3df-71d51a2b1b6b",
          "citation": "SRS import [N73M5PV49L]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=N73M5PV49L",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391001000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "7402996f-de12-4868-82a1-4b9bc8c18f1e",
          "citation": "CHEMID  2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "6aa4723c-17d7-a368-8c69-e894c4c7d409",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=10595-80-9",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "67e9764c-7c11-4152-a284-a03d993954f7",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "142d3601-a2af-452e-a905-d5fcfeab28b8",
          "id": "142d3601-a2af-452e-a905-d5fcfeab28b8",
          "molfile": "\n  Marvin  01132101152D          \n\n 12 11  0  0  0  0            999 V2000\n    5.3027   -4.0427    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3027   -4.8678    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.5888   -5.2843    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.0153   -5.2717    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.0153   -6.0967    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7290   -4.8552    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4417   -5.2591    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1500   -4.8395    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8701   -5.2422    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    9.5854   -5.6495    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4628   -5.9622    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.2727   -4.5222    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  2  0  0  0  0\n  4  6  1  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n  9 11  2  0  0  0  0\n  9 12  2  0  0  0  0\nM  END",
          "smiles": "C=C(C)C(=O)OCCS(=O)(=O)O",
          "formula": "C6H10O5S",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "a6d26eab-e5ee-45d9-9f0f-f0402a1322d7"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "194.2069",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "57ef1df2-3152-443a-b5e5-bfa4b9ec580b",
      "version": "3",
      "structure": {
        "id": "4809eee1-e05c-4a84-a109-c15a211fdf9e",
        "molfile": "\n  Marvin  01132103472D          \n\n 12 11  0  0  0  0            999 V2000\n    6.0153   -6.0967    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.0153   -5.2717    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7290   -4.8552    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4417   -5.2591    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1500   -4.8395    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8701   -5.2422    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    8.4628   -5.9622    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.2727   -4.5222    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    9.5854   -5.6495    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3027   -4.8678    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.5888   -5.2843    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3027   -4.0427    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  2  0  0  0  0\n  2  3  1  0  0  0  0\n  3  4  1  0  0  0  0\n  4  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  6  7  2  0  0  0  0\n  6  8  2  0  0  0  0\n  6  9  1  0  0  0  0\n  2 10  1  0  0  0  0\n 10 11  2  0  0  0  0\n 10 12  1  0  0  0  0\nM  END",
        "smiles": "C=C(C)C(=O)OCCS(=O)(=O)O",
        "formula": "C6H10O5S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "194.2069",
        "optical_activity": "NONE",
        "references": [
          "7402996f-de12-4868-82a1-4b9bc8c18f1e",
          "7017ba4c-e9ad-4123-b3df-71d51a2b1b6b"
        ],
        "stereo_centers": 0
      },
      "unii": "N73M5PV49L"
    }
  ]
}