{
  "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": "8e5beb85-b10d-4510-be91-4efc1abf6063",
          "code": "43143-11-9",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=43143-11-9",
          "code_system": "CAS",
          "references": [
            "b3e98866-aa27-43f7-b9cc-38758e46cdbe",
            "75fe8f65-480e-4118-8ad6-8f952ceaccd5"
          ]
        },
        {
          "uuid": "2a2c18c2-91b3-40f1-af34-66d54c9c6676",
          "code": "256-115-3",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.050.997",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "b3e98866-aa27-43f7-b9cc-38758e46cdbe"
          ]
        },
        {
          "uuid": "ec556afc-56ad-4611-b51a-9feee127cfca",
          "code": "39387",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/39387",
          "code_system": "PUBCHEM",
          "references": [
            "b3e98866-aa27-43f7-b9cc-38758e46cdbe"
          ]
        },
        {
          "uuid": "e7fde1ad-2bcd-d96a-949f-bd556a47324e",
          "code": "DTXSID9068457",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID9068457",
          "code_system": "EPA CompTox",
          "references": [
            "11c1f6fa-d449-c9ac-c215-48c9685aa1fe"
          ]
        },
        {
          "uuid": "7233de42-c5ca-4e8b-992e-97b9dbdc6f3c",
          "code": "1558D89HVP",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        }
      ],
      "relationships": [
        {
          "uuid": "8d3a401b-a359-6849-c5b6-67c881cf03b1",
          "type": "SOLVATE->ANHYDROUS",
          "references": [
            "75fe8f65-480e-4118-8ad6-8f952ceaccd5"
          ],
          "related_substance": {
            "uuid": "47e487c4-9660-46cd-acbc-afecf27bad1a",
            "refuuid": "de09ce08-6d1b-45b4-bbcf-2f694be8ca4b",
            "name": "BISPYRITHIONE MAGSULFEX",
            "unii": "48H0YX0NT4",
            "linking_id": "48H0YX0NT4",
            "ref_pname": "BISPYRITHIONE MAGSULFEX"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "08537998-fef8-4929-abd9-d7ae8ec2cbb3",
          "name": "(BIS(2-PYRIDYL 1-OXIDE) DISULFIDE) MAGNESIUM SULFATE (1:1) ADDUCT",
          "stdName": "(BIS(2-PYRIDYL 1-OXIDE) DISULFIDE) MAGNESIUM SULFATE (1:1) ADDUCT",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "8923f7dc-573c-4494-b6a6-8d19ba8693c3"
          ],
          "display_name": false
        },
        {
          "uuid": "c1d59ee2-4f07-4bef-8069-0760d2084b5d",
          "name": "BIS(2-PYRIDYL 1-OXIDE) DISULFIDE MAGNESIUM SULFATE",
          "stdName": "BIS(2-PYRIDYL 1-OXIDE) DISULFIDE MAGNESIUM SULFATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "8923f7dc-573c-4494-b6a6-8d19ba8693c3"
          ],
          "display_name": false
        },
        {
          "uuid": "4d23e9d6-e58b-4d86-91d8-b7feacccc91c",
          "name": "BISPYRITHIONE MAGSULFEX ANHYDROUS",
          "stdName": "BISPYRITHIONE MAGSULFEX ANHYDROUS",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b0421d40-07cd-44ea-b50e-87dc8b4120a6"
          ],
          "display_name": true
        },
        {
          "uuid": "0e2873c9-b577-491b-bcea-5bec9cda21c3",
          "name": "MAGNESIUM, (2,2'-DITHIOBIS(PYRIDINE)1,1'-DIOXIDE-O,O',S)(SULFATO(2-)-O)-, (T-4)-",
          "stdName": "MAGNESIUM, (2,2'-DITHIOBIS(PYRIDINE)1,1'-DIOXIDE-O,O',S)(SULFATO(2-)-O)-, (T-4)-",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b0421d40-07cd-44ea-b50e-87dc8b4120a6"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "b0421d40-07cd-44ea-b50e-87dc8b4120a6",
          "citation": "USP DICTIONARY 2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "8923f7dc-573c-4494-b6a6-8d19ba8693c3",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b3e98866-aa27-43f7-b9cc-38758e46cdbe",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391594000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "6ae85e25-e27a-4e5f-893b-943bd35c5719",
          "citation": "SRS import [1558D89HVP]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=1558D89HVP",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391594000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "11c1f6fa-d449-c9ac-c215-48c9685aa1fe",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=43143-11-9",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "75fe8f65-480e-4118-8ad6-8f952ceaccd5",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "791c3226-f8e2-415d-93a2-4076fb5baee9",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "46f1a172-c875-4b0b-9cad-7f9b7a149e6b",
          "id": "46f1a172-c875-4b0b-9cad-7f9b7a149e6b",
          "molfile": "\n  Marvin  01132103432D          \n\n  1  0  0  0  0  0            999 V2000\n    6.2154   -3.8561    0.0000 Mg  0  2  0  0  0  0  0  0  0  0  0  0\nM  CHG  1   1   2\nM  END",
          "smiles": "[Mg+2]",
          "formula": "Mg",
          "atropisomerism": "No",
          "charge": 2,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "72b4947f-5ec6-4182-af9c-91204cadb60d"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "24.3051",
          "optical_activity": "NONE",
          "stereo_centers": 0
        },
        {
          "uuid": "c9fcc9ad-d7c3-41d1-95bc-83b66562c47a",
          "id": "c9fcc9ad-d7c3-41d1-95bc-83b66562c47a",
          "molfile": "\n  Marvin  01132110262D          \n\n  5  4  0  0  0  0            999 V2000\n    5.7006   -3.0935    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    6.2832   -2.5093    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    6.8705   -3.0886    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    5.6959   -1.9254    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.8639   -1.9233    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  1  0  0  0  0\n  4  2  2  0  0  0  0\n  2  5  2  0  0  0  0\nM  CHG  2   1  -1   3  -1\nM  END",
          "smiles": "O=S(=O)([O-])[O-]",
          "formula": "O4S",
          "atropisomerism": "No",
          "charge": -2,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "f38b6e68-8172-4f34-9165-8ba98b754008"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "96.0637",
          "optical_activity": "NONE",
          "stereo_centers": 0
        },
        {
          "uuid": "064df270-ea72-4366-b21a-af843149034f",
          "id": "064df270-ea72-4366-b21a-af843149034f",
          "molfile": "\n  Marvin  01132100372D          \n\n 16 17  0  0  0  0            999 V2000\n    8.0990   -3.8168    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    8.0990   -4.6387    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0\n    8.8158   -5.0437    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8158   -5.8709    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1003   -6.2851    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3931   -5.8743    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3931   -5.0520    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6818   -4.6411    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    5.8553   -4.6411    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1449   -5.0526    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1449   -5.8807    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4326   -6.2973    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.7202   -5.8812    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.7202   -5.0566    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4306   -4.6501    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0\n    4.4306   -3.8234    0.0000 O   0  5  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  2  7  2  0  0  0  0\n  4  3  2  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  2  0  0  0  0\n  7  6  1  0  0  0  0\n  8  7  1  0  0  0  0\n  9  8  1  0  0  0  0\n 10  9  1  0  0  0  0\n 11 10  1  0  0  0  0\n 10 15  2  0  0  0  0\n 12 11  2  0  0  0  0\n 13 12  1  0  0  0  0\n 14 13  2  0  0  0  0\n 15 14  1  0  0  0  0\n 15 16  1  0  0  0  0\nM  CHG  4   1  -1   2   1  15   1  16  -1\nM  END",
          "smiles": "c1cc[n+](c(c1)SSc2cccc[n+]2[O-])[O-]",
          "formula": "C10H8N2O2S2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "232e933f-28a0-4069-97ae-e3a2b2dc3da5"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "252.3153",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "b71b6038-a055-449e-91eb-08c6fc531622",
      "version": "6",
      "structure": {
        "id": "a8c98821-0e24-4ede-8cea-08c95b9e7ea6",
        "molfile": "\n  Marvin  01132108462D          \n\n 22 21  0  0  0  0            999 V2000\n    3.7202   -5.0566    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.7202   -5.8812    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4326   -6.2973    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1449   -5.8807    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.1449   -5.0526    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4306   -4.6501    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0\n    4.4306   -3.8234    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    5.8553   -4.6411    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    6.6818   -4.6411    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3931   -5.0520    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.0990   -4.6387    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0\n    8.8158   -5.0437    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.8158   -5.8709    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.1003   -6.2851    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3931   -5.8743    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.0990   -3.8168    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    5.6866   -1.9223    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    6.2729   -2.5052    0.0000 S   0  0  0  0  0  0  0  0  0  0  0  0\n    6.8527   -1.9202    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    5.6913   -3.0884    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    6.8593   -3.0836    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    6.2154   -3.8561    0.0000 Mg  0  2  0  0  0  0  0  0  0  0  0  0\n  4  5  1  0  0  0  0\n  5  6  2  0  0  0  0\n  6  1  1  0  0  0  0\n  6  7  1  0  0  0  0\n  5  8  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n 11 10  1  0  0  0  0\n 12 11  2  0  0  0  0\n 13 12  1  0  0  0  0\n 14 13  2  0  0  0  0\n 15 14  1  0  0  0  0\n 10 15  2  0  0  0  0\n 11 16  1  0  0  0  0\n  1  2  2  0  0  0  0\n  2  3  1  0  0  0  0\n 17 18  2  0  0  0  0\n 18 19  2  0  0  0  0\n 18 20  1  0  0  0  0\n 18 21  1  0  0  0  0\n  3  4  2  0  0  0  0\nM  CHG  7   6   1   7  -1  11   1  16  -1  20  -1  21  -1  22   2\nM  END",
        "smiles": "c1cc[n+](c(c1)SSc2cccc[n+]2[O-])[O-].[Mg+2].O=S(=O)([O-])[O-]",
        "formula": "C10H8N2O2S2.Mg.O4S",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "372.684",
        "optical_activity": "NONE",
        "references": [
          "6ae85e25-e27a-4e5f-893b-943bd35c5719",
          "8923f7dc-573c-4494-b6a6-8d19ba8693c3"
        ],
        "stereo_centers": 0
      },
      "unii": "1558D89HVP"
    }
  ]
}