{
  "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": "9f774cc2-e0ad-4ce1-a2a7-270a6681283d",
          "code": "1192-58-1",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=1192-58-1",
          "code_system": "CAS",
          "references": [
            "c37adadc-5fbd-47f8-9299-55b1febe17c5",
            "cde1531a-900f-4d6e-85a1-b4d62bd6040c"
          ]
        },
        {
          "uuid": "908e33a8-35ff-417d-aa4e-d1c250064755",
          "code": "214-755-0",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.013.414",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "c37adadc-5fbd-47f8-9299-55b1febe17c5"
          ]
        },
        {
          "uuid": "44b56db7-ea0a-4117-9325-2d5b435dff67",
          "code": "14504",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/14504",
          "code_system": "PUBCHEM",
          "references": [
            "c37adadc-5fbd-47f8-9299-55b1febe17c5"
          ]
        },
        {
          "uuid": "b8893702-677a-46f5-f6ac-6462da72644f",
          "code": "DTXSID20152338",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID20152338",
          "code_system": "EPA CompTox",
          "references": [
            "d75e90ef-1061-dfad-d929-32c30ab92613"
          ]
        },
        {
          "uuid": "906ecbb5-fbf0-45d9-80b4-9c67b034ad45",
          "code": "M0HYH3D7SX",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "a469778b-4e68-d6a8-1630-d7ab187d8afc",
          "code": "72386",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=72386",
          "code_system": "NSC",
          "references": [
            "f2433600-88aa-a090-c059-cd141cdd79c2"
          ]
        },
        {
          "uuid": "b97b3c5a-0fe2-c382-9e3f-52d999a5d753",
          "code": "2128",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/2128/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "7e70ed6f-eb76-4554-a852-6b19c6f612e6"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "3bbe4cfc-f30e-4b7c-9e54-9d38369557c9",
          "name": "1-METHYL-1H-PYRROLE-2-CARBOXALDEHYDE",
          "stdName": "1-METHYL-1H-PYRROLE-2-CARBOXALDEHYDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0ccab563-7611-4820-92c5-c46e074d5a48",
            "09a73a67-ba67-4fd5-a09d-4a8915f57bc1",
            "3f1b58b5-f221-4354-a5fa-c8cb94918cf4",
            "c17124d7-6752-47b0-8d1e-23cdaa4210ca"
          ],
          "display_name": true
        },
        {
          "uuid": "db259be6-35d4-4cb9-9c92-d53f76f5ae30",
          "name": "1-METHYL-1H-PYRROLE-2-CARBOXALDEHYDE [FHFI]",
          "stdName": "1-METHYL-1H-PYRROLE-2-CARBOXALDEHYDE [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0ccab563-7611-4820-92c5-c46e074d5a48",
            "c17124d7-6752-47b0-8d1e-23cdaa4210ca"
          ],
          "display_name": false
        },
        {
          "uuid": "809df323-bfd0-4a29-86ac-4169bee2061f",
          "name": "1-METHYLPYRROLE-2-CARBALDEHYDE",
          "stdName": "1-METHYLPYRROLE-2-CARBALDEHYDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3f1b58b5-f221-4354-a5fa-c8cb94918cf4",
            "c17124d7-6752-47b0-8d1e-23cdaa4210ca"
          ],
          "display_name": false
        },
        {
          "uuid": "db19572c-75a8-493f-8dfe-92f744b7ae20",
          "name": "1-METHYLPYRROLE-2-CARBOXALDEHYDE",
          "stdName": "1-METHYLPYRROLE-2-CARBOXALDEHYDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "90e2e095-f680-4e3c-b3f7-19546292b80e",
            "c17124d7-6752-47b0-8d1e-23cdaa4210ca"
          ],
          "display_name": false
        },
        {
          "uuid": "7817cc24-0ea2-4e21-8938-ebe521ba1936",
          "name": "1H-PYRROLE-2-CARBOXALDEHYDE, 1-METHYL-",
          "stdName": "1H-PYRROLE-2-CARBOXALDEHYDE, 1-METHYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "a1a49c2b-b999-4c8a-9ec0-ecb450f4e308"
          ],
          "display_name": false
        },
        {
          "uuid": "948a84e0-8ee4-4765-96d7-b48af641179f",
          "name": "FEMA NO. 4332",
          "stdName": "FEMA NO. 4332",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0ccab563-7611-4820-92c5-c46e074d5a48",
            "c17124d7-6752-47b0-8d1e-23cdaa4210ca"
          ],
          "display_name": false
        },
        {
          "uuid": "389777a3-e98b-46ef-8793-f0f36dc5f630",
          "name": "N-METHYL-2-PYRROLECARBOXALDEHYDE",
          "stdName": "N-METHYL-2-PYRROLECARBOXALDEHYDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "86f6fd21-edd2-4456-848f-6ad2d39d5de1",
            "c17124d7-6752-47b0-8d1e-23cdaa4210ca"
          ],
          "display_name": false
        },
        {
          "uuid": "ceb9abdd-c911-4b23-b42c-d8c0b8addeca",
          "name": "NSC-72386",
          "stdName": "NSC-72386",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "3f1b58b5-f221-4354-a5fa-c8cb94918cf4",
            "c17124d7-6752-47b0-8d1e-23cdaa4210ca"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "a1a49c2b-b999-4c8a-9ec0-ecb450f4e308",
          "citation": "CHEMID 2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "3f1b58b5-f221-4354-a5fa-c8cb94918cf4",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c17124d7-6752-47b0-8d1e-23cdaa4210ca",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "86f6fd21-edd2-4456-848f-6ad2d39d5de1",
          "citation": "http://www.sigmaaldrich.com/catalog/ProductDetail.do?N4=130052|ALDRICH&N5=SEARCH_CONCAT_PNO|BRAND_KE",
          "url": "http://www.sigmaaldrich.com/catalog/ProductDetail.do?N4=130052|ALDRICH&N5=SEARCH_CONCAT_PNO|BRAND_KE",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "0ccab563-7611-4820-92c5-c46e074d5a48",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "90e2e095-f680-4e3c-b3f7-19546292b80e",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "c37adadc-5fbd-47f8-9299-55b1febe17c5",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391225000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "ec3dfa69-0f80-4727-8084-2f1e3da52b65",
          "citation": "SRS import [M0HYH3D7SX]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=M0HYH3D7SX",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391225000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "d05b71eb-a75b-4b9b-92ba-e0779ea8b018",
          "citation": "CHEMID  2011",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "09a73a67-ba67-4fd5-a09d-4a8915f57bc1",
          "citation": "1-METHYL-1H-PYRROLE-2-CARBOXALDEHYDE [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "d75e90ef-1061-dfad-d929-32c30ab92613",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=1192-58-1",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "cde1531a-900f-4d6e-85a1-b4d62bd6040c",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "f2433600-88aa-a090-c059-cd141cdd79c2",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "7e70ed6f-eb76-4554-a852-6b19c6f612e6",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "44655303-1d37-4799-946b-41040d26cb03",
          "id": "44655303-1d37-4799-946b-41040d26cb03",
          "molfile": "\n  Marvin  01132103362D          \n\n  8  8  0  0  0  0            999 V2000\n   -0.3799    1.1149    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.3799    0.2935    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.0523   -0.2082    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.7850   -0.9760    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0274   -0.9760    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.2741   -0.1809    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.0682    0.0558    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2275    0.8771    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  6  2  1  0  0  0  0\n  3  4  2  0  0  0  0\n  5  4  1  0  0  0  0\n  6  5  2  0  0  0  0\n  6  7  1  0  0  0  0\n  7  8  2  0  0  0  0\nM  END",
          "smiles": "Cn1cccc1C=O",
          "formula": "C6H7NO",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "02446a8b-ce59-4f02-be20-d0725a6f1d66"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "109.1261",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "2a1ba58c-b2d7-483a-8d79-844c8c622f94",
      "version": "5",
      "structure": {
        "id": "5391dfc0-1c92-4da1-afaa-aa584d20bbb8",
        "molfile": "\n  Marvin  01132104212D          \n\n  8  8  0  0  0  0            999 V2000\n    0.2741   -0.1809    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.3799    0.2935    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0274   -0.9760    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.0682    0.0558    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -1.0523   -0.2082    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.3799    1.1149    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.7850   -0.9760    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2275    0.8771    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  3  2  0  0  0  0\n  1  4  1  0  0  0  0\n  2  5  1  0  0  0  0\n  2  6  1  0  0  0  0\n  3  7  1  0  0  0  0\n  4  8  2  0  0  0  0\n  5  7  2  0  0  0  0\nM  END",
        "smiles": "Cn1cccc1C=O",
        "formula": "C6H7NO",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "109.1261",
        "optical_activity": "NONE",
        "references": [
          "d05b71eb-a75b-4b9b-92ba-e0779ea8b018",
          "ec3dfa69-0f80-4727-8084-2f1e3da52b65"
        ],
        "stereo_centers": 0
      },
      "unii": "M0HYH3D7SX"
    }
  ]
}