{
  "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": "0aa96cea-2092-42f5-a3f1-21a99488f48c",
          "code": "83-66-9",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=83-66-9",
          "code_system": "CAS",
          "references": [
            "9c4698d8-ebbe-43ca-970a-ba631148ca4b",
            "2239cc9b-3d89-4032-8a33-5bad256badcd"
          ]
        },
        {
          "uuid": "54ad7390-3761-4b7a-95b0-dc6ae9db424d",
          "code": "201-493-7",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.001.358",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "9c4698d8-ebbe-43ca-970a-ba631148ca4b"
          ]
        },
        {
          "uuid": "300f1fa8-6815-4820-b0f2-55f1d268b059",
          "code": "6753",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/6753",
          "code_system": "PUBCHEM",
          "references": [
            "9c4698d8-ebbe-43ca-970a-ba631148ca4b"
          ]
        },
        {
          "uuid": "2bb6dbf5-49b3-c1c4-0a3b-aed18cd6df9b",
          "code": "7693",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/source/hsdb/7693",
          "code_system": "HSDB",
          "references": [
            "a5ee9615-4e27-87c6-1c22-5cd9ff6081f9"
          ]
        },
        {
          "uuid": "a9edc837-657a-2777-3bef-09612d9b9df4",
          "code": "DTXSID7025689",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID7025689",
          "code_system": "EPA CompTox",
          "references": [
            "e7638d14-137c-3fb9-3eb3-6cfbc8a5af7f"
          ]
        },
        {
          "uuid": "51ab32e7-7bf6-6289-a372-a40b22a33c5f",
          "code": "2360131",
          "type": "PRIMARY",
          "url": "https://rxnav.nlm.nih.gov/REST/rxcui/2360131/allProperties.xml?prop=all",
          "code_system": "RXCUI",
          "references": [
            "b06a00b5-0618-09a9-e6ac-20384c692a12"
          ]
        },
        {
          "uuid": "c89948e4-73a8-42fb-a541-bcfbac37f91c",
          "code": "55V150W8R6",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "6102ebdf-daf9-8c6c-d30d-7bb1109b669d",
          "code": "59845",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=59845",
          "code_system": "NSC",
          "references": [
            "2c064b79-a59e-cf4c-0131-7d7945cdc176"
          ]
        },
        {
          "uuid": "dde6c888-8860-0af7-33ba-f2f79a42454d",
          "code": "46122",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=46122",
          "code_system": "NSC",
          "references": [
            "2c064b79-a59e-cf4c-0131-7d7945cdc176"
          ]
        },
        {
          "uuid": "0cb91515-6cd5-e596-3353-4ff75a393f1a",
          "code": "55V150W8R6",
          "type": "PRIMARY",
          "url": "https://dailymed.nlm.nih.gov/dailymed/search.cfm?adv=1&query=(55V150W8R6)",
          "code_system": "DAILYMED",
          "references": [
            "bf449cf9-19b3-fa04-2563-23ac00a6cf88"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "b79e2310-aaea-47bf-8ffc-fdf1f4faa828",
          "name": "6-TERT-BUTYL-3-METHYL-2,4-DINITROANISOLE",
          "stdName": "6-TERT-BUTYL-3-METHYL-2,4-DINITROANISOLE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7213c065-ad0e-46b9-b3ad-22f67a98bea1",
            "38d1264e-e04c-4816-8536-f0b76059c930"
          ],
          "display_name": true
        },
        {
          "uuid": "b096c58e-54cf-4bbb-a2ee-9aafa4111de3",
          "name": "ARTIFICIAL MUSK AMBRETTE",
          "stdName": "ARTIFICIAL MUSK AMBRETTE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7213c065-ad0e-46b9-b3ad-22f67a98bea1",
            "38d1264e-e04c-4816-8536-f0b76059c930"
          ],
          "display_name": false
        },
        {
          "uuid": "3b764bf5-f068-463b-9b87-bd0438d20a69",
          "name": "BENZENE, 1-(1,1-DIMETHYLETHYL)-2-METHOXY-4-METHYL-3,5-DINITRO-",
          "stdName": "BENZENE, 1-(1,1-DIMETHYLETHYL)-2-METHOXY-4-METHYL-3,5-DINITRO-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bd0b4c15-c32b-fe95-012c-c9a37fd69d1c",
            "7213c065-ad0e-46b9-b3ad-22f67a98bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "ddffb367-445c-4c6d-877e-b9a55d6deefc",
          "name": "FEMA NO. 2758 (GRAS DELISTED)",
          "stdName": "FEMA NO. 2758 (GRAS DELISTED)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7213c065-ad0e-46b9-b3ad-22f67a98bea1",
            "3a3ff441-db9b-4300-977a-5ff14c48c46e"
          ],
          "display_name": false
        },
        {
          "uuid": "ff608d49-5e99-4974-82c6-e20e492cca53",
          "name": "MUSK AMBRETTE",
          "stdName": "MUSK AMBRETTE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bbb14357-95f5-47bf-a38a-0cf1960c977a",
            "7213c065-ad0e-46b9-b3ad-22f67a98bea1"
          ],
          "display_name": false
        },
        {
          "uuid": "5c9dc1f8-b2fb-4f81-b34c-a8a2d702ee01",
          "name": "MUSK AMBRETTE (ARTIFICIAL)",
          "stdName": "MUSK AMBRETTE (ARTIFICIAL)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7213c065-ad0e-46b9-b3ad-22f67a98bea1",
            "38d1264e-e04c-4816-8536-f0b76059c930"
          ],
          "display_name": false
        },
        {
          "uuid": "a28081a1-0a94-cccd-af86-c41f92fcac13",
          "name": "MUSK AMBRETTE [IARC]",
          "stdName": "MUSK AMBRETTE [IARC]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "ceac9bc9-3b42-0674-84fa-fd56d55bfa95"
          ],
          "display_name": false
        },
        {
          "uuid": "b3c50c7f-3d51-a6f8-5c6a-9b4765f5c173",
          "name": "MUSKAMBRETTE",
          "stdName": "MUSKAMBRETTE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bd0b4c15-c32b-fe95-012c-c9a37fd69d1c"
          ],
          "display_name": false
        },
        {
          "uuid": "208f8a21-b9ef-43fe-9587-8f7d06a1a8f7",
          "name": "NSC-46122",
          "stdName": "NSC-46122",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7213c065-ad0e-46b9-b3ad-22f67a98bea1",
            "38d1264e-e04c-4816-8536-f0b76059c930"
          ],
          "display_name": false
        },
        {
          "uuid": "64b728ee-54fa-48a1-8fda-b285efcbbf24",
          "name": "NSC-59845",
          "stdName": "NSC-59845",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7213c065-ad0e-46b9-b3ad-22f67a98bea1",
            "38d1264e-e04c-4816-8536-f0b76059c930"
          ],
          "display_name": false
        },
        {
          "uuid": "95d17f66-3840-46e2-8536-d2773cf818d9",
          "name": "SYNTHETIC MUSK AMBRETTE",
          "stdName": "SYNTHETIC MUSK AMBRETTE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7213c065-ad0e-46b9-b3ad-22f67a98bea1",
            "38d1264e-e04c-4816-8536-f0b76059c930"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "3a3ff441-db9b-4300-977a-5ff14c48c46e",
          "citation": "http://books.google.com/books?id=A8OyTzGGJhYC&pg=PR8&lpg=PR8&dq=FEMA+NO.+2016&source=bl&ots=YeCxYNFn",
          "url": "http://books.google.com/books?id=A8OyTzGGJhYC&pg=PR8&lpg=PR8&dq=FEMA+NO.+2016&source=bl&ots=YeCxYNFn",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "7213c065-ad0e-46b9-b3ad-22f67a98bea1",
          "citation": "WEB PAGE",
          "doc_type": "WEB PAGE",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "bbb14357-95f5-47bf-a38a-0cf1960c977a",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "38d1264e-e04c-4816-8536-f0b76059c930",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "9c4698d8-ebbe-43ca-970a-ba631148ca4b",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392402000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b71051fb-9830-4446-94ef-1824adf31b54",
          "citation": "SRS import [55V150W8R6]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=55V150W8R6",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392402000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a5ee9615-4e27-87c6-1c22-5cd9ff6081f9",
          "citation": "WEBSITE",
          "url": "https://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+83-66-9",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "e7638d14-137c-3fb9-3eb3-6cfbc8a5af7f",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=83-66-9",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "bd0b4c15-c32b-fe95-012c-c9a37fd69d1c",
          "citation": "TKB",
          "doc_type": "TOBACCO KNOWLEDGE BASE",
          "public_domain": true,
          "tags": [
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "ceac9bc9-3b42-0674-84fa-fd56d55bfa95",
          "citation": "IARC",
          "doc_type": "IARC",
          "public_domain": true
        },
        {
          "uuid": "b06a00b5-0618-09a9-e6ac-20384c692a12",
          "citation": "RXNORM",
          "doc_type": "NLM",
          "public_domain": true
        },
        {
          "uuid": "2239cc9b-3d89-4032-8a33-5bad256badcd",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "d7d6b9c2-b125-e636-d119-042e81d820dd",
          "citation": "DailyMed",
          "doc_type": "DAILYMED",
          "public_domain": true
        },
        {
          "uuid": "2c064b79-a59e-cf4c-0131-7d7945cdc176",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "bf449cf9-19b3-fa04-2563-23ac00a6cf88",
          "citation": "DAILYMED",
          "doc_type": "DAILYMED",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "e2f692d5-9f67-4967-8682-dfe1ae87fdfc",
          "id": "e2f692d5-9f67-4967-8682-dfe1ae87fdfc",
          "molfile": "\n  Marvin  01132111452D          \n\n 19 19  0  0  0  0            999 V2000\n    8.0074   -3.3483    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7219   -3.7607    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7219   -4.5857    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.4364   -4.9983    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.4364   -5.8233    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7219   -6.2357    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.0075   -5.8233    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2930   -6.2357    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.0075   -4.9983    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2930   -4.5857    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0\n    6.5785   -4.9983    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    7.2930   -3.7607    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7219   -7.0607    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0\n    9.4364   -7.4733    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    8.0075   -7.4733    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n   10.1508   -4.5857    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.8653   -4.1732    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.1508   -3.7607    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.8653   -4.9983    0.0000 C   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  3  4  1  0  0  0  0\n  3  9  2  0  0  0  0\n  4  5  2  0  0  0  0\n  4 16  1  0  0  0  0\n  5  6  1  0  0  0  0\n  7  6  2  0  0  0  0\n  6 13  1  0  0  0  0\n  7  8  1  0  0  0  0\n  9  7  1  0  0  0  0\n  9 10  1  0  0  0  0\n 10 11  1  0  0  0  0\n 10 12  2  0  0  0  0\n 13 14  1  0  0  0  0\n 13 15  2  0  0  0  0\n 16 17  1  0  0  0  0\n 16 18  1  0  0  0  0\n 16 19  1  0  0  0  0\nM  CHG  4  10   1  11  -1  13   1  14  -1\nM  END",
          "smiles": "Cc1c(cc(c(c1[N+](=O)[O-])OC)C(C)(C)C)[N+](=O)[O-]",
          "formula": "C12H16N2O5",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "4c64c3a3-cf28-40e4-9ebd-8951953e4eef"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "268.2663",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "dc4942cc-8556-4d36-9b0c-c27159a3e2e6",
      "version": "13",
      "structure": {
        "id": "962e9a1d-8a5a-4857-96fd-28793b129b1c",
        "molfile": "\n  Marvin  01132107482D          \n\n 19 19  0  0  0  0            999 V2000\n    8.7219   -3.7607    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7219   -4.5857    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.4364   -4.9983    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.1508   -4.5857    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.8653   -4.1732    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.1508   -3.7607    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   10.8653   -4.9983    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.4364   -5.8233    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7219   -6.2357    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.7219   -7.0607    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0\n    9.4364   -7.4733    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    8.0075   -7.4733    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    8.0075   -5.8233    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2930   -6.2357    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.0075   -4.9983    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2930   -4.5857    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0\n    6.5785   -4.9983    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    7.2930   -3.7607    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    8.0074   -3.3483    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  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  4  6  1  0  0  0  0\n  4  7  1  0  0  0  0\n  3  8  2  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  1  0  0  0  0\n 10 11  1  0  0  0  0\n 10 12  2  0  0  0  0\n 13  9  2  0  0  0  0\n 13 14  1  0  0  0  0\n 15 13  1  0  0  0  0\n  2 15  2  0  0  0  0\n 15 16  1  0  0  0  0\n 16 17  2  0  0  0  0\n 16 18  1  0  0  0  0\n  1 19  1  0  0  0  0\nM  CHG  4  10   1  11  -1  16   1  18  -1\nM  END",
        "smiles": "Cc1c(cc(c(c1[N+](=O)[O-])OC)C(C)(C)C)[N+](=O)[O-]",
        "formula": "C12H16N2O5",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "268.2663",
        "optical_activity": "NONE",
        "references": [
          "b71051fb-9830-4446-94ef-1824adf31b54",
          "38d1264e-e04c-4816-8536-f0b76059c930"
        ],
        "stereo_centers": 0
      },
      "unii": "55V150W8R6"
    }
  ]
}