{
  "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": "c4d5ed48-61de-4671-857b-14bf61f77651",
          "code": "603-35-0",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=603-35-0",
          "code_system": "CAS",
          "references": [
            "2a699128-f99d-4ae1-8ce6-67083b77ad0d",
            "c21954d2-17ad-402c-b030-e9847064a3c8"
          ]
        },
        {
          "uuid": "bb8e8880-12a3-4c0a-b006-0b0943677855",
          "code": "C061896",
          "type": "PRIMARY",
          "url": "http://www.ncbi.nlm.nih.gov/mesh/67061896",
          "code_system": "MESH",
          "references": [
            "2a699128-f99d-4ae1-8ce6-67083b77ad0d"
          ]
        },
        {
          "uuid": "05d02315-eecd-44c5-b6ea-8330c3dfe698",
          "code": "TRIPHENYLPHOSPHINE",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/Triphenylphosphine",
          "code_system": "WIKIPEDIA",
          "references": [
            "2a699128-f99d-4ae1-8ce6-67083b77ad0d"
          ]
        },
        {
          "uuid": "b9a927f5-af7d-4b38-a958-0a32d37af863",
          "code": "m11186",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m11186?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "2a699128-f99d-4ae1-8ce6-67083b77ad0d"
          ]
        },
        {
          "uuid": "3bb9d951-14df-4fc5-8d74-317afbfe862f",
          "code": "11776",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/11776",
          "code_system": "PUBCHEM",
          "references": [
            "2a699128-f99d-4ae1-8ce6-67083b77ad0d"
          ]
        },
        {
          "uuid": "fe969e6e-52b8-4234-a701-dc4c85ef224c",
          "code": "210-036-0",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.009.124",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "2a699128-f99d-4ae1-8ce6-67083b77ad0d"
          ]
        },
        {
          "uuid": "d7671a6e-1616-d93b-3027-10b5551006bc",
          "code": "4266",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/source/hsdb/4266",
          "code_system": "HSDB",
          "references": [
            "8713c9b2-fd91-0448-6a71-bb90754e4a88"
          ]
        },
        {
          "uuid": "ecf4ca9f-49c7-d95b-8f89-fee7088b8867",
          "code": "DTXSID5026251",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID5026251",
          "code_system": "EPA CompTox",
          "references": [
            "402c6dc0-2d1a-fc6a-2adf-ae17427b950a"
          ]
        },
        {
          "uuid": "cda6bc80-0b65-4db7-b567-aaa274257371",
          "code": "26D26OA393",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "d55ba9be-84df-a07d-6ca2-38914137b3ec",
          "code": "10",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=10",
          "code_system": "NSC",
          "references": [
            "87dd5c49-518d-cb6c-be61-77e1c2989546"
          ]
        },
        {
          "uuid": "e182405e-0cdb-f5c0-5fc2-d3fc179cb6a1",
          "code": "215203",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=215203",
          "code_system": "NSC",
          "references": [
            "87dd5c49-518d-cb6c-be61-77e1c2989546"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "b0ec2946-3b53-4fe3-b33f-9e81b8ab462f",
          "name": "NSC-10",
          "stdName": "NSC-10",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e0a26d5a-7033-4209-9dd2-fc28bc9ae7e1",
            "33a4a7bf-b874-4339-9ca5-9f4f60403b8d"
          ],
          "display_name": false
        },
        {
          "uuid": "96fc7ed1-1853-4bcc-a9c6-a24c541be3b8",
          "name": "NSC-215203",
          "stdName": "NSC-215203",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e0a26d5a-7033-4209-9dd2-fc28bc9ae7e1",
            "33a4a7bf-b874-4339-9ca5-9f4f60403b8d"
          ],
          "display_name": false
        },
        {
          "uuid": "0f873e50-0989-4655-a556-da1e4f2a3cc6",
          "name": "TRIPHENYL PHOSPHINE",
          "stdName": "TRIPHENYL PHOSPHINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "b27eabf1-a4ca-4798-bc6a-a20cd110b0f5"
          ],
          "display_name": false
        },
        {
          "uuid": "82624eec-e725-42dc-ab36-464f08790539",
          "name": "TRIPHENYLPHOSPHINE [HSDB]",
          "stdName": "TRIPHENYLPHOSPHINE [HSDB]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "5c6fc547-7a97-47b0-ab17-2466f5747d60",
            "33a4a7bf-b874-4339-9ca5-9f4f60403b8d"
          ],
          "display_name": false
        },
        {
          "uuid": "a7d6fd0b-48df-4bd7-bd52-2313b042da26",
          "name": "TRIPHENYLPHOSPHINE [MI]",
          "stdName": "TRIPHENYLPHOSPHINE [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "9eb1f68b-25d3-4d3a-9f4b-1a6eaecff30e",
            "33a4a7bf-b874-4339-9ca5-9f4f60403b8d"
          ],
          "display_name": false
        },
        {
          "uuid": "7df47d2f-a38b-48dc-b8e2-622001492283",
          "name": "Triphenylphosphine",
          "stdName": "TRIPHENYLPHOSPHINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "92cf805c-62fb-4c0f-989a-0595dc548af8",
            "9eb1f68b-25d3-4d3a-9f4b-1a6eaecff30e",
            "898529b0-4d6f-4e2a-a343-ff6386c3226a",
            "5c6fc547-7a97-47b0-ab17-2466f5747d60",
            "a412585f-1f9f-438b-a949-b1ba2265c25a",
            "33a4a7bf-b874-4339-9ca5-9f4f60403b8d"
          ],
          "display_name": true
        }
      ],
      "references": [
        {
          "uuid": "b27eabf1-a4ca-4798-bc6a-a20cd110b0f5",
          "citation": "ICSAS BATCH 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "9eb1f68b-25d3-4d3a-9f4b-1a6eaecff30e",
          "citation": "MERCK INDEX",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "33a4a7bf-b874-4339-9ca5-9f4f60403b8d",
          "citation": "MERCK INDEX",
          "doc_type": "MERCK INDEX",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a412585f-1f9f-438b-a949-b1ba2265c25a",
          "citation": "MERCK",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "5c6fc547-7a97-47b0-ab17-2466f5747d60",
          "citation": "HSDB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e0a26d5a-7033-4209-9dd2-fc28bc9ae7e1",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2a699128-f99d-4ae1-8ce6-67083b77ad0d",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390932000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "2bc41c49-e70a-405c-b8c4-6af093fe6ac5",
          "citation": "SRS import [26D26OA393]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=26D26OA393",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390932000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "64fc65c5-15eb-4d7d-b330-a746e44bb586",
          "citation": "CHEMID 2010",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "898529b0-4d6f-4e2a-a343-ff6386c3226a",
          "citation": "TRIPHENYLPHOSPHINE [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "92cf805c-62fb-4c0f-989a-0595dc548af8",
          "citation": "TRIPHENYLPHOSPHINE [HSDB]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "8713c9b2-fd91-0448-6a71-bb90754e4a88",
          "citation": "WEBSITE",
          "url": "https://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+603-35-0",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "402c6dc0-2d1a-fc6a-2adf-ae17427b950a",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=603-35-0",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "118250cb-7414-2e55-23aa-4690770d76a9",
          "citation": "PCPC",
          "doc_type": "PERSONAL CARE PRODUCTS COUNCIL",
          "public_domain": true
        },
        {
          "uuid": "c21954d2-17ad-402c-b030-e9847064a3c8",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "87dd5c49-518d-cb6c-be61-77e1c2989546",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "7a7ddea2-9ddb-4beb-81af-10dadc71c4a7",
          "id": "7a7ddea2-9ddb-4beb-81af-10dadc71c4a7",
          "molfile": "\n  Marvin  01132106222D          \n\n 19 21  0  0  0  0            999 V2000\n    8.6163   -7.4651    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7987   -7.4651    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3863   -6.7505    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7887   -6.0409    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6137   -6.0409    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.0261   -6.7455    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3815   -5.3210    0.0000 P   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7887   -4.6267    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6137   -4.6267    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.0261   -3.9070    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6134   -3.1925    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7887   -3.1925    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3815   -3.9145    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5669   -5.3210    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.1590   -4.6267    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3295   -4.6267    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9271   -5.3285    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3295   -6.0409    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.1569   -6.0409    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  6  1  2  0  0  0  0\n  3  2  2  0  0  0  0\n  4  3  1  0  0  0  0\n  4  5  2  0  0  0  0\n  7  4  1  0  0  0  0\n  5  6  1  0  0  0  0\n  7  8  1  0  0  0  0\n  7 14  1  0  0  0  0\n  8  9  1  0  0  0  0\n  8 13  2  0  0  0  0\n  9 10  2  0  0  0  0\n 10 11  1  0  0  0  0\n 12 11  2  0  0  0  0\n 13 12  1  0  0  0  0\n 14 15  1  0  0  0  0\n 14 19  2  0  0  0  0\n 15 16  2  0  0  0  0\n 16 17  1  0  0  0  0\n 18 17  2  0  0  0  0\n 19 18  1  0  0  0  0\nM  END",
          "smiles": "c1ccc(cc1)P(c2ccccc2)c3ccccc3",
          "formula": "C18H15P",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "1554ad44-9074-4e49-a3a3-b2ab86631e8d"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "262.2861",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "0c9831ba-9eb0-4b0c-8f1d-3964b88a7359",
      "version": "13",
      "structure": {
        "id": "38a983f1-911b-4aee-b6ed-51b9924b0af1",
        "molfile": "\n  Marvin  01132103012D          \n\n 19 21  0  0  0  0            999 V2000\n    7.3815   -5.3210    0.0000 P   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7887   -6.0409    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3863   -6.7505    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7987   -7.4651    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6163   -7.4651    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.0261   -6.7455    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6137   -6.0409    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7887   -4.6267    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6137   -4.6267    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    9.0261   -3.9070    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    8.6134   -3.1925    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.7887   -3.1925    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    7.3815   -3.9145    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.5669   -5.3210    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.1590   -4.6267    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3295   -4.6267    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9271   -5.3285    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.3295   -6.0409    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.1569   -6.0409    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  2  0  0  0  0\n  3  4  1  0  0  0  0\n  4  5  2  0  0  0  0\n  6  5  1  0  0  0  0\n  7  6  2  0  0  0  0\n  2  7  1  0  0  0  0\n  1  8  1  0  0  0  0\n  8  9  2  0  0  0  0\n  9 10  1  0  0  0  0\n 10 11  2  0  0  0  0\n 12 11  1  0  0  0  0\n 13 12  2  0  0  0  0\n  8 13  1  0  0  0  0\n  1 14  1  0  0  0  0\n 14 15  2  0  0  0  0\n 15 16  1  0  0  0  0\n 16 17  2  0  0  0  0\n 18 17  1  0  0  0  0\n 19 18  2  0  0  0  0\n 14 19  1  0  0  0  0\nM  END",
        "smiles": "c1ccc(cc1)P(c2ccccc2)c3ccccc3",
        "formula": "C18H15P",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "262.2861",
        "optical_activity": "NONE",
        "references": [
          "64fc65c5-15eb-4d7d-b330-a746e44bb586",
          "2bc41c49-e70a-405c-b8c4-6af093fe6ac5"
        ],
        "stereo_centers": 0
      },
      "unii": "26D26OA393"
    }
  ]
}