{
  "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": "70569a80-7768-4797-8ff8-6910890a6721",
          "code": "4435-53-4",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=4435-53-4",
          "code_system": "CAS",
          "references": [
            "923bd585-0f82-4abc-b12c-7017c4041d1b",
            "d746eec6-936f-4208-96af-edc3db19218a"
          ]
        },
        {
          "uuid": "5eb75621-be3e-4af9-9eba-f2a24f23134e",
          "code": "224-644-9",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.022.405",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "923bd585-0f82-4abc-b12c-7017c4041d1b"
          ]
        },
        {
          "uuid": "cef86e2b-d06c-492e-a6ec-186caa972900",
          "code": "SUB89003",
          "type": "PRIMARY",
          "code_system": "EVMPD",
          "references": [
            "923bd585-0f82-4abc-b12c-7017c4041d1b"
          ]
        },
        {
          "uuid": "b56a37ad-bf9d-4a4f-892c-35946ab3e5b7",
          "code": "20498",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/20498",
          "code_system": "PUBCHEM",
          "references": [
            "923bd585-0f82-4abc-b12c-7017c4041d1b"
          ]
        },
        {
          "uuid": "d17f7977-d81f-d4f6-6583-20b0a73bdbf9",
          "code": "DTXSID2052106",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID2052106",
          "code_system": "EPA CompTox",
          "references": [
            "7beca001-b25a-4cc4-d37c-56a95d47504f"
          ]
        },
        {
          "uuid": "7b4fa22c-3440-423c-8ecf-290699c41f36",
          "code": "2W0NXC23XW",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "1a89f754-6a59-b28c-2d02-dbd3a094a046",
          "code": "100000139978",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "a1ed6594-8c73-281a-bd52-ee807ac720c5"
          ]
        },
        {
          "uuid": "84f31c22-1c88-3afe-df68-b614e188a44b",
          "code": "15638",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=15638",
          "code_system": "NSC",
          "references": [
            "2a44c381-5f0e-c50b-affb-a99f633aacbb"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "d8c09649-c22a-4884-8fa9-10c11776b100",
          "name": "1-BUTANOL, 3-METHOXY-, 1-ACETATE",
          "stdName": "1-BUTANOL, 3-METHOXY-, 1-ACETATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "372489c4-9150-47df-9c45-0d702423d430"
          ],
          "display_name": false
        },
        {
          "uuid": "22f6b158-059a-4a0c-a8fd-d74598baa8ed",
          "name": "1-BUTANOL, 3-METHOXY-, ACETATE",
          "stdName": "1-BUTANOL, 3-METHOXY-, ACETATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "2cc856dc-d0b1-4b20-bb7a-ffee52ec411d"
          ],
          "display_name": false
        },
        {
          "uuid": "7232ab04-a18c-4718-ba9b-6abc6c49eb8a",
          "name": "3-METHOXY-1-BUTYL ACETATE",
          "stdName": "3-METHOXY-1-BUTYL ACETATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "372489c4-9150-47df-9c45-0d702423d430"
          ],
          "display_name": false
        },
        {
          "uuid": "7790ca0c-aca0-4fd5-9acb-97ba22df6f28",
          "name": "3-METHOXY-N-BUTYL ACETATE",
          "stdName": "3-METHOXY-N-BUTYL ACETATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "372489c4-9150-47df-9c45-0d702423d430"
          ],
          "display_name": false
        },
        {
          "uuid": "802c5b29-75f9-41e5-bebf-522d4ae9350d",
          "name": "3-METHOXYBUTYL ACETATE",
          "stdName": "3-METHOXYBUTYL ACETATE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "372489c4-9150-47df-9c45-0d702423d430"
          ],
          "display_name": false
        },
        {
          "uuid": "820b8f6c-9452-4036-85dd-a634407261ab",
          "name": "ACETIC ACID 3-METHOXYBUTYL ESTER",
          "stdName": "ACETIC ACID 3-METHOXYBUTYL ESTER",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "372489c4-9150-47df-9c45-0d702423d430"
          ],
          "display_name": false
        },
        {
          "uuid": "2769b49e-beb5-4a59-8cd8-f1d3003f4501",
          "name": "BUTOXYL",
          "stdName": "BUTOXYL",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "372489c4-9150-47df-9c45-0d702423d430"
          ],
          "display_name": true
        },
        {
          "uuid": "7e5b9fc7-eb4b-4215-aafe-bb132df3e65a",
          "name": "NSC-15638",
          "stdName": "NSC-15638",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "372489c4-9150-47df-9c45-0d702423d430"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "2cc856dc-d0b1-4b20-bb7a-ffee52ec411d",
          "citation": "CFSAN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "372489c4-9150-47df-9c45-0d702423d430",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "923bd585-0f82-4abc-b12c-7017c4041d1b",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392723000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "b1a958eb-1024-4d73-908f-62ca806163f1",
          "citation": "SRS import [2W0NXC23XW]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=2W0NXC23XW",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493392723000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "7beca001-b25a-4cc4-d37c-56a95d47504f",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=4435-53-4",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "a1ed6594-8c73-281a-bd52-ee807ac720c5",
          "citation": "EU-SRS",
          "doc_type": "EMA LIST",
          "public_domain": true
        },
        {
          "uuid": "d746eec6-936f-4208-96af-edc3db19218a",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "2a44c381-5f0e-c50b-affb-a99f633aacbb",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "a5ac5fcf-7fa7-48c3-a900-26b9b05871f3",
          "id": "a5ac5fcf-7fa7-48c3-a900-26b9b05871f3",
          "molfile": "\n  Marvin  01132108362D          \n\n 10  9  0  0  0  0            999 V2000\n    0.4104    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -0.7157    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4104   -1.4314    0.0000 C   0  0  0  0  0  0  0  0  0  3  0  0\n    1.2362   -1.4314    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -2.1471    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4104   -2.8578    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -3.5735    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4104   -4.2892    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -5.0049    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2362   -4.2892    0.0000 O   0  0  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  3  4  1  0  0  0  0\n  3  5  1  0  0  0  0\n  5  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  8 10  2  0  0  0  0\nM  END",
          "smiles": "CC(CCOC(=O)C)OC",
          "formula": "C7H14O3",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "RACEMIC",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "75a33d70-75bd-441b-b4a2-94addfeda080"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "146.1845",
          "optical_activity": "( + / - )",
          "stereo_centers": 1
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "39c78dc1-8083-45c4-93fa-054499a2070b",
      "version": "5",
      "structure": {
        "id": "7e1c3e08-cf2d-4aeb-b440-6a1f7c048821",
        "molfile": "\n  Marvin  01132106332D          \n\n 10  9  0  0  0  0            999 V2000\n    0.4104   -1.4314    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -2.1471    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -0.7157    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2362   -1.4314    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4104   -2.8578    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4104    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -3.5735    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4104   -4.2892    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.0000   -5.0049    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2362   -4.2892    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  1  0  0  0  0\n  1  4  1  0  0  0  0\n  2  5  1  0  0  0  0\n  3  6  1  0  0  0  0\n  5  7  1  0  0  0  0\n  7  8  1  0  0  0  0\n  8  9  1  0  0  0  0\n  8 10  2  0  0  0  0\nM  END",
        "smiles": "CC(CCOC(=O)C)OC",
        "formula": "C7H14O3",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "RACEMIC",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "146.1845",
        "optical_activity": "( + / - )",
        "references": [
          "2cc856dc-d0b1-4b20-bb7a-ffee52ec411d",
          "b1a958eb-1024-4d73-908f-62ca806163f1"
        ],
        "stereo_centers": 1
      },
      "unii": "2W0NXC23XW"
    }
  ]
}