{
  "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": "3e0774ea-fc13-49b1-ab97-2f96804ec5f1",
          "code": "24887-06-7",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=24887-06-7",
          "code_system": "CAS",
          "references": [
            "9d1d1982-4bf0-4d7d-a8a1-40f7d7342784",
            "59690f0f-c1d7-4aee-94f8-1e954aa26951"
          ]
        },
        {
          "uuid": "fdb4e893-44e7-4106-bd5d-0f0fbe520370",
          "code": "21 CFR 176.170",
          "comments": "PART 176 -- INDIRECT FOOD ADDITIVES: PAPER AND PAPERBOARD COMPONENTS|Subpart B--Substances for Use Only as Components of Paper and Paperboard|Sec. 176.170 Components of paper and paperboard in contact with aqueous and fatty foods.",
          "type": "PRIMARY",
          "url": "http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=176.170",
          "code_system": "CFR",
          "references": [
            "9d1d1982-4bf0-4d7d-a8a1-40f7d7342784"
          ]
        },
        {
          "uuid": "7fb5876d-20b7-4923-922f-6b5f5a586400",
          "code": "246-515-6",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.042.271",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "9d1d1982-4bf0-4d7d-a8a1-40f7d7342784"
          ]
        },
        {
          "uuid": "dac8b33e-45d2-4cd0-5d61-bca65413cdd4",
          "code": "159978",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/159978",
          "code_system": "PUBCHEM",
          "references": [
            "2ebecd2a-02ce-fa2d-9db0-914e2f914ccd"
          ]
        },
        {
          "uuid": "49d73b17-f5a4-41c2-a0ed-aba958eda139",
          "code": "K1G3Y1UQ6T",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "10fd2cbb-bbe3-f581-c1a0-88112dae97bc",
          "code": "DTXSID60893470",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID60893470",
          "code_system": "EPA CompTox"
        }
      ],
      "relationships": [
        {
          "uuid": "cb195a56-e4ae-49c7-90ee-ee88eca9bbb5",
          "type": "PARENT->SALT/SOLVATE",
          "related_substance": {
            "uuid": "67fbd9f2-ce90-433b-a748-83c45c4a6ebc",
            "refuuid": "6c56f368-b3b0-4b83-af0d-73f60fbc3b5b",
            "name": "HYDROXYMETHANESULFINIC ACID",
            "unii": "M049N73196",
            "linking_id": "M049N73196",
            "ref_pname": "HYDROXYMETHANESULFINIC ACID",
            "substance_class": "reference"
          }
        },
        {
          "uuid": "c00dee87-1cb4-498c-9b3d-64499fef4739",
          "type": "PARENT->SALT/SOLVATE",
          "related_substance": {
            "uuid": "3f59bf22-4ae3-4fe2-b85e-ffab8543cc67",
            "refuuid": "a0cf59d1-0ce6-46d2-a53c-21c4b202ec9c",
            "name": "ZINC CATION",
            "unii": "13S1S8SF37",
            "linking_id": "13S1S8SF37",
            "ref_pname": "ZINC CATION",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "6d4f807f-0873-4ab5-b5a4-d9509ac74f2e",
          "name": "METHANESULFINIC ACID, 1-HYDROXY-, ZINC SALT (2:1)",
          "stdName": "METHANESULFINIC ACID, 1-HYDROXY-, ZINC SALT (2:1)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ad0081c4-8a7e-4734-b9f5-0a4389f1c8b9",
            "0fa22dc7-cc8a-4f9d-8d9b-4a5278851eb6"
          ],
          "display_name": false
        },
        {
          "uuid": "096de0db-39e0-4360-84a5-e1a4f86ef42c",
          "name": "ZINC BIS(HYDROXYMETHANESULPHINATE)",
          "stdName": "ZINC BIS(HYDROXYMETHANESULPHINATE)",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ad0081c4-8a7e-4734-b9f5-0a4389f1c8b9",
            "337bd08b-6bbf-4abd-8c94-78576d9616e9"
          ],
          "display_name": false
        },
        {
          "uuid": "fbcc8d52-6319-4ac5-b5f3-53cd860033da",
          "name": "ZINC FORMALDEHYDE SULFOXYLATE",
          "stdName": "ZINC FORMALDEHYDE SULFOXYLATE",
          "type": "of",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ad0081c4-8a7e-4734-b9f5-0a4389f1c8b9",
            "32a66bb7-86aa-40ab-8fe4-6d53d66dc363",
            "905fd084-bdab-4b06-b476-778d17ab1ba7"
          ],
          "display_name": true,
          "domains": [
            "cosmetic"
          ],
          "name_orgs": [
            {
              "uuid": "7eeb0529-5856-437b-bc86-cf2974a3912d",
              "name_org": "INCI"
            }
          ]
        },
        {
          "uuid": "be5ad5f2-3202-4865-a58f-b01fbac23e0a",
          "name": "ZINC FORMALDEHYDE SULPHOXYLATE",
          "stdName": "ZINC FORMALDEHYDE SULPHOXYLATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "d51bb1b1-fa7b-4407-85e3-a42c2db7f9b3"
          ],
          "display_name": false
        },
        {
          "uuid": "97df2793-ce27-46d1-b3c1-84fd8142f3c2",
          "name": "ZINC, BIS((HYDROXY-.KAPPA.O)METHANESULFINATO-.KAPPA.O)-, (T-4)-",
          "stdName": "ZINC, BIS((HYDROXY-.KAPPA.O)METHANESULFINATO-.KAPPA.O)-, (T-4)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ad0081c4-8a7e-4734-b9f5-0a4389f1c8b9",
            "337bd08b-6bbf-4abd-8c94-78576d9616e9"
          ],
          "display_name": false
        },
        {
          "uuid": "53f9993c-6376-4906-a277-bc7f134fdc22",
          "name": "ZINC, BIS(1-(HYDROXY-.KAPPA.O)METHANESULFINATO-.KAPPA.O)-, (T-4)-",
          "stdName": "ZINC, BIS(1-(HYDROXY-.KAPPA.O)METHANESULFINATO-.KAPPA.O)-, (T-4)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ad0081c4-8a7e-4734-b9f5-0a4389f1c8b9",
            "337bd08b-6bbf-4abd-8c94-78576d9616e9"
          ],
          "display_name": false
        },
        {
          "uuid": "05942c3a-c068-4c14-a5f4-3db06f63e3b9",
          "name": "ZINC, BIS(HYDROXYMETHANESULFINATO-OS,O1)-, (.BETA.-4)-",
          "stdName": "ZINC, BIS(HYDROXYMETHANESULFINATO-OS,O1)-, (.BETA.-4)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ad0081c4-8a7e-4734-b9f5-0a4389f1c8b9",
            "337bd08b-6bbf-4abd-8c94-78576d9616e9"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "32a66bb7-86aa-40ab-8fe4-6d53d66dc363",
          "citation": "PCPC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "ad0081c4-8a7e-4734-b9f5-0a4389f1c8b9",
          "citation": "PERSONAL CARE PRODUCTS COUNCIL",
          "doc_type": "PERSONAL CARE PRODUCTS COUNCIL",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "337bd08b-6bbf-4abd-8c94-78576d9616e9",
          "citation": "ChemID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "0fa22dc7-cc8a-4f9d-8d9b-4a5278851eb6",
          "citation": "ChemSpider",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "d51bb1b1-fa7b-4407-85e3-a42c2db7f9b3",
          "citation": "FDA-SRS 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "9d1d1982-4bf0-4d7d-a8a1-40f7d7342784",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390919000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "d310842a-6fc0-47f4-9bcf-53d6f68fcd38",
          "citation": "SRS import [K1G3Y1UQ6T]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=K1G3Y1UQ6T",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390919000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ffc8f901-6256-4c67-8ec3-076d8e1c3df1",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "905fd084-bdab-4b06-b476-778d17ab1ba7",
          "citation": "ZINC FORMALDEHYDE SULFOXYLATE [INCI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "2ebecd2a-02ce-fa2d-9db0-914e2f914ccd",
          "citation": "PUBCHEM",
          "doc_type": "PUBCHEM",
          "public_domain": true
        },
        {
          "uuid": "59690f0f-c1d7-4aee-94f8-1e954aa26951",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "18b75311-efcd-491b-914b-f6976cc9bebd",
          "id": "18b75311-efcd-491b-914b-f6976cc9bebd",
          "molfile": "\n  Marvin  01132101282D          \n\n  1  0  0  0  0  0            999 V2000\n    3.9001   -3.7838    0.0000 Zn  0  2  0  0  0  0  0  0  0  0  0  0\nM  CHG  1   1   2\nM  END",
          "smiles": "[Zn+2]",
          "formula": "Zn",
          "atropisomerism": "No",
          "charge": 2,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "1794f94b-12cb-43c5-be83-1e2e893b0e87"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "65.3956",
          "optical_activity": "NONE",
          "stereo_centers": 0
        },
        {
          "uuid": "96db2ccd-6321-4998-8217-d8bdf92d5b85",
          "id": "96db2ccd-6321-4998-8217-d8bdf92d5b85",
          "molfile": "\n  Marvin  01132107502D          \n\n  5  4  0  0  0  0            999 V2000\n    6.7553   -3.5705    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4702   -3.9824    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4702   -4.8061    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1851   -3.5705    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8999   -3.9824    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  3  2  2  0  0  0  0\n  4  2  1  0  0  0  0\n  4  5  1  0  0  0  0\nM  CHG  1   5  -1\nM  END",
          "smiles": "C([O-])S(=O)O",
          "formula": "CH3O3S",
          "atropisomerism": "No",
          "charge": -1,
          "count": 2,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 2,
            "units": "MOL RATIO",
            "uuid": "e05cb6b0-39fe-4a32-8bc9-43ddfd1b1c6b"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "95.0989",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "91d03a2b-7538-41bb-a4c5-e1e6652ea858",
      "version": "6",
      "structure": {
        "id": "85fda018-ca82-4543-90d2-7e703c5a3183",
        "molfile": "\n  Marvin  01132106572D          \n\n 11  8  0  0  0  0            999 V2000\n    3.9001   -3.7838    0.0000 Zn  0  2  0  0  0  0  0  0  0  0  0  0\n    7.4702   -3.9824    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4702   -4.8061    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7553   -3.5705    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    8.1851   -3.5705    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8999   -3.9824    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4702   -3.9824    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    7.4702   -4.8061    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.7553   -3.5705    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    8.1851   -3.5705    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8999   -3.9824    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n  3  2  2  0  0  0  0\n  4  2  1  0  0  0  0\n  5  2  1  0  0  0  0\n  5  6  1  0  0  0  0\n  8  7  2  0  0  0  0\n  9  7  1  0  0  0  0\n 10  7  1  0  0  0  0\n 10 11  1  0  0  0  0\nM  CHG  3   1   2   4  -1   9  -1\nM  STY  1   1 MUL\nM  SCN  1   1 HT \nM  SAL   1 10   2   3   4   5   6   7   8   9  10  11\nM  SPA   1  5   2   3   4   5   6\nM  SDI   1  4    6.3353   -5.2261    6.3353   -3.1505\nM  SDI   1  4    9.3199   -3.1505    9.3199   -5.2261\nM  SMT   1 2\nM  END",
        "smiles": "C(O)S(=O)[O-].C(O)S(=O)[O-].[Zn+2]",
        "formula": "2CH3O3S.Zn",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "255.5933",
        "optical_activity": "NONE",
        "references": [
          "ffc8f901-6256-4c67-8ec3-076d8e1c3df1",
          "d310842a-6fc0-47f4-9bcf-53d6f68fcd38"
        ],
        "stereo_centers": 0
      },
      "unii": "K1G3Y1UQ6T"
    }
  ]
}