{ "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": "5dc1a60b-3459-4ff4-8024-6df6de868041", "code": "302-01-2", "type": "PRIMARY", "url": "https://commonchemistry.cas.org/detail?cas_rn=302-01-2", "code_system": "CAS", "references": [ "7767f1c2-d296-4c0e-b573-c61eb1a35adb", "2c226a59-ab22-4182-8b30-9839476eb492" ] }, { "uuid": "59b14b66-693c-411e-ac45-0a5e63c63040", "code": "C029424", "type": "PRIMARY", "url": "http://www.ncbi.nlm.nih.gov/mesh/67029424", "code_system": "MESH", "references": [ "7767f1c2-d296-4c0e-b573-c61eb1a35adb" ] }, { "uuid": "29e5f0d7-4472-4b34-a514-4ba9b085dcf1", "code": "HYDRAZINE", "type": "PRIMARY", "url": "https://en.wikipedia.org/wiki/Hydrazine", "code_system": "WIKIPEDIA", "references": [ "7767f1c2-d296-4c0e-b573-c61eb1a35adb" ] }, { "uuid": "7d0f1eff-ce9c-48ad-a558-69e915b519c4", "code": "206-114-9", "type": "PRIMARY", "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.005.560", "code_system": "ECHA (EC/EINECS)", "references": [ "7767f1c2-d296-4c0e-b573-c61eb1a35adb" ] }, { "uuid": "bfef7022-21dd-4c40-850f-d0ed8685a598", "code": "C29097", "type": "PRIMARY", "url": "https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C29097", "code_system": "NCI_THESAURUS", "references": [ "7767f1c2-d296-4c0e-b573-c61eb1a35adb" ] }, { "uuid": "51cea09c-e548-481b-b5e9-4d2596894efc", "code": "m6079", "comments": "Merck Index", "type": "PRIMARY", "url": "https://merckindex.rsc.org/monographs/m6079?q=authorize", "code_system": "MERCK INDEX", "references": [ "7767f1c2-d296-4c0e-b573-c61eb1a35adb" ] }, { "uuid": "9edcaef5-e86e-486d-86e0-50c725f8561e", "code": "SUB14130MIG", "type": "PRIMARY", "code_system": "EVMPD", "references": [ "7767f1c2-d296-4c0e-b573-c61eb1a35adb" ] }, { "uuid": "8607cbcb-44e4-46d3-a1a4-a40e65c50b04", "code": "9321", "type": "PRIMARY", "url": "https://pubchem.ncbi.nlm.nih.gov/compound/9321", "code_system": "PUBCHEM", "references": [ "7767f1c2-d296-4c0e-b573-c61eb1a35adb" ] }, { "uuid": "35a88153-9417-0705-149a-5be0db0983a8", "code": "544", "type": "PRIMARY", "url": "https://pubchem.ncbi.nlm.nih.gov/source/hsdb/544", "code_system": "HSDB", "references": [ "22353303-530a-ca63-a181-b37f16b5d91e" ] }, { "uuid": "4a14ef27-5d02-dead-685c-5e85a3c4d741", "code": "DTXSID3020702", "type": "PRIMARY", "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID3020702", "code_system": "EPA CompTox", "references": [ "c2c5a725-b7c9-b4f8-6d68-495a0146aa09" ] }, { "uuid": "3780528a-0d4b-fbc4-8f41-4c45b0102a1a", "code": "C1935", "comments": "Pharmacologic Substance[C1909]|Agent Affecting Musculoskeletal System[C78281]|Anticachexia Agent", "type": "CONCEPT", "url": "https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C1935", "code_system": "NCI_THESAURUS", "references": [ "94bb66d6-e9e4-86ca-33d9-0b648bc1e102" ] }, { "uuid": "ca7a0606-8d3c-6376-1676-a8ed8968b1d0", "code": "C667", "comments": "Pharmacologic Substance[C1909]|Enzyme Inhibitor[C471]|Monoamine Oxidase Inhibitor", "type": "CONCEPT", "url": "https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C667", "code_system": "NCI_THESAURUS", "references": [ "94bb66d6-e9e4-86ca-33d9-0b648bc1e102" ] }, { "uuid": "35003648-69bd-418c-8b01-c25a1f72d081", "code": "27RFH0GB4R", "type": "PRIMARY", "code_system": "FDA UNII" }, { "uuid": "7f47caf0-98d6-8509-4a5b-58f3c499288e", "code": "15571", "type": "PRIMARY", "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:15571", "code_system": "CHEBI", "references": [ "94bb66d6-e9e4-86ca-33d9-0b648bc1e102" ] }, { "uuid": "b576a7d9-99cf-7436-4b9a-73d596aa4e7b", "code": "100000077596", "type": "PRIMARY", "code_system": "SMS_ID", "references": [ "58c048a5-c0cf-eea9-ca83-8d9d27b96c51" ] } ], "substance_class": "chemical", "references": [ { "uuid": "2ad3e542-12c2-46f3-a2c8-fd7cc67403a4", "citation": "HYDRAZINE [MI]", "doc_type": "SRS_LOCATOR", "public_domain": true }, { "uuid": "fea0de69-ba7b-4ce7-a4db-af77d2540b6d", "citation": "HYDRAZINE [HSDB]", "doc_type": "SRS_LOCATOR", "public_domain": true }, { "uuid": "94ea7c13-4329-4075-a23d-6786d3771a7c", "citation": "HYDRAZINE [WHO-DD]", "doc_type": "SRS_LOCATOR", "public_domain": true }, { "uuid": "22d89ab7-5875-4321-bc6c-3ac10dd62385", "citation": "MERCK INDEX", "doc_type": "MERCK INDEX", "public_domain": true, "tags": [ "NOMEN" ] }, { "uuid": "4e2b1abc-5367-40a8-a9a3-6d2297d4908e", "citation": "HSDB", "doc_type": "SRS", "public_domain": true, "tags": [ "NOMEN" ] }, { "uuid": "f73013b2-8cbe-4984-8e28-efc4832160e3", "citation": "WHO-DD", "doc_type": "SRS", "public_domain": true, "tags": [ "NOMEN" ] }, { "uuid": "7767f1c2-d296-4c0e-b573-c61eb1a35adb", "citation": "SRS CODE IMPORT", "doc_type": "SRS", "public_domain": true, "document_date": 1493390848000, "tags": [ "NOMEN" ] }, { "uuid": "2101c214-044b-43ad-b172-0a91de4b06c3", "citation": "IARC CARCINOGENS REPORTED IN CIGARETTE MAINSTREAM SMOKE AND THEIR CALCULATED LOG P VALUES; SMITH, CJ; FOOD AND CHEMICAL TOXICOLOGY, 41(6), 807?817, JUNE 2003", "url": "http://www.sciencedirect.com/science/article/pii/S0278691503000218", "doc_type": "JOURNAL ARTICLE", "public_domain": true, "tags": [ "NOMEN" ] }, { "uuid": "0ef6690c-88ef-4b9e-af6f-d2daff8a4465", "citation": "SRS import [27RFH0GB4R]", "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=27RFH0GB4R", "doc_type": "SRS", "public_domain": true, "document_date": 1493390848000, "tags": [ "NOMEN" ] }, { "uuid": "22353303-530a-ca63-a181-b37f16b5d91e", "citation": "WEBSITE", "url": "https://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+302-01-2", "doc_type": "WEBSITE", "public_domain": true, "tags": [ "NOMEN", "PUBLIC_DOMAIN_RELEASE" ] }, { "uuid": "c2c5a725-b7c9-b4f8-6d68-495a0146aa09", "citation": "WEBSITE", "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=302-01-2", "doc_type": "WEBSITE", "public_domain": true, "tags": [ "NOMEN", "PUBLIC_DOMAIN_RELEASE" ] }, { "uuid": "58c048a5-c0cf-eea9-ca83-8d9d27b96c51", "citation": "EU-SRS", "doc_type": "EMA LIST", "public_domain": true }, { "uuid": "82a42b40-7c2d-2934-43e9-c9fb43d36dbf", "citation": "IARC", "doc_type": "IARC", "public_domain": true }, { "uuid": "e522ec58-bde2-defb-019c-debadf9059f9", "citation": "EP 10.8", "url": "http://online6.edqm.eu/ep907/mobile/#documentPage", "doc_type": "EP", "public_domain": true, "tags": [ "NOMEN", "PUBLIC_DOMAIN_RELEASE" ] }, { "uuid": "94bb66d6-e9e4-86ca-33d9-0b648bc1e102", "doc_type": "SYSTEM", "public_domain": true }, { "uuid": "2c226a59-ab22-4182-8b30-9839476eb492", "citation": "STN", "doc_type": "STN (SCIFINDER)", "public_domain": true }, { "uuid": "267e244b-a065-4690-b305-e18d2f615326", "citation": "STN", "doc_type": "STN (SCIFINDER)", "public_domain": true }, { "uuid": "0cbd4815-eaad-851b-74a8-51941fe61214", "citation": "WHO-DD", "doc_type": "WHO DRUG DICTIONARY", "public_domain": true }, { "uuid": "65cf6903-d18f-4d7a-8ee9-ec36b4b3bd61", "citation": "STN", "doc_type": "STN (SCIFINDER)", "public_domain": true } ], "definition_type": "PRIMARY", "moieties": [ { "uuid": "8ada8291-6c9b-4781-aa20-5ea6f43ca0d7", "id": "8ada8291-6c9b-4781-aa20-5ea6f43ca0d7", "molfile": "\n Marvin 01132107132D \n\n 2 1 0 0 0 0 999 V2000\n 3.5565 -3.3671 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 2.7593 -3.1546 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 2 1 1 0 0 0 0\nM END", "smiles": "NN", "formula": "H4N2", "atropisomerism": "No", "charge": 0, "count": 1, "stereochemistry": "ACHIRAL", "count_amount": { "type": "MOL RATIO", "average": 1, "units": "MOL RATIO", "uuid": "1c7a0835-4b5c-4392-98df-7b502f389982" }, "defined_stereo": 0, "ez_centers": 0, "molecular_weight": "32.0452", "optical_activity": "NONE", "stereo_centers": 0 } ], "definition_level": "COMPLETE", "uuid": "1d2698a5-1d8a-4d6f-b54b-31da321268b4", "version": "42", "structure": { "id": "033b764d-b71c-4297-9675-eb3ed202607a", "molfile": "\n JSDraw212212312212D\n\n 2 1 0 0 0 0 0 V2000\n 20.9560 -7.6960 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 22.5160 -7.6960 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 1 2 1 0 0 0 0\nM END", "smiles": "NN", "formula": "H4N2", "atropisomerism": "No", "charge": 0, "count": 1, "stereochemistry": "ACHIRAL", "defined_stereo": 0, "ez_centers": 0, "molecular_weight": "32.0452", "optical_activity": "NONE", "references": [ "2c226a59-ab22-4182-8b30-9839476eb492", "e522ec58-bde2-defb-019c-debadf9059f9" ], "stereo_centers": 0 }, "unii": "27RFH0GB4R", "relationships": [ { "uuid": "4200eee6-fc07-4bb1-b36c-675a873b23cb", "amount": { "uuid": "5b84be0c-6bf1-4ce0-b9f2-9b53a43eced6" }, "type": "ACTIVE MOIETY", "related_substance": { "uuid": "a6e3d0c2-d889-44b1-ab49-bca9b6d2cf48", "refuuid": "1d2698a5-1d8a-4d6f-b54b-31da321268b4", "name": "Hydrazine", "unii": "27RFH0GB4R", "linking_id": "27RFH0GB4R", "ref_pname": "Hydrazine", "substance_class": "reference" } }, { "uuid": "a805b62b-344e-4aae-a93d-3b5868c339eb", "amount": { "uuid": "1d9df4ce-73a5-4918-ac8c-6d4591b14394" }, "type": "SALT/SOLVATE->PARENT", "related_substance": { "uuid": "9bf57f8e-1c8c-49c8-a1b8-8dee8beeec8a", "refuuid": "d3ba787b-2a30-48f7-89fa-f715580fc1de", "name": "HYDRAZINE DIHYDROCHLORIDE", "unii": "KM8DD9J0C8", "linking_id": "KM8DD9J0C8", "ref_pname": "HYDRAZINE DIHYDROCHLORIDE", "substance_class": "reference" } }, { "uuid": "e75f4bd0-bb72-4b7b-ac82-8ae8bbdad5ca", "amount": { "uuid": "0f65177f-809c-45c4-81f8-6afd2ce0710d" }, "type": "SALT/SOLVATE->PARENT", "related_substance": { "uuid": "0fa7b9a2-4698-420b-826c-f6cffa371d7e", "refuuid": "502d9639-0599-487d-8d75-cd3fc78bf4a6", "name": "Hydrazine hydrate", "unii": "KYD297831P", "linking_id": "KYD297831P", "ref_pname": "Hydrazine hydrate", "substance_class": "reference" } }, { "uuid": "03949c63-45db-413c-9fd5-4b70ace988e9", "amount": { "uuid": "f46f52eb-f27d-43f4-908b-dd33bd56b95f" }, "type": "SALT/SOLVATE->PARENT", "related_substance": { "uuid": "b33b50bd-5a9a-4089-bfe3-8391614f617b", "refuuid": "395e2758-e370-488b-937a-feb75f8ae437", "name": "HYDRAZINE SULFATE", "unii": "1N369SAT01", "linking_id": "1N369SAT01", "ref_pname": "HYDRAZINE SULFATE", "substance_class": "reference" } }, { "uuid": "bdf70814-0213-4a40-8a8c-ff8bf8cb57a2", "amount": { "uuid": "5b9b15ea-edbf-4f0d-a6f8-e21e94254098", "units": "PPM", "high_limit": 2.5 }, "qualification": "EP", "type": "PARENT->IMPURITY", "interaction_type": "CHROMATOGRAPHIC PURITY (HPLC/UV)", "references": [ "e522ec58-bde2-defb-019c-debadf9059f9" ], "related_substance": { "uuid": "4ac27cdc-47f3-46b2-b7dc-fa73dba08ef4", "refuuid": "fb91e4cf-1658-4e1f-ac40-af393234b5d0", "name": "ALLOPURINOL", "unii": "63CZ7GJN5I", "linking_id": "63CZ7GJN5I", "ref_pname": "ALLOPURINOL", "substance_class": "reference" } }, { "uuid": "115b339b-4cc8-42b5-b11b-bfacf7e60e31", "amount": { "uuid": "f1b84c0a-36c5-43f7-8381-00f502a8ff0b", "units": "PERCENT PEAK AREA", "high_limit": 0.1, "non_numeric_value": "PEAK VALUE" }, "qualification": "EP", "type": "PARENT->IMPURITY", "interaction_type": "CHROMATOGRAPHIC PURITY (HPLC/UV)", "references": [ "e522ec58-bde2-defb-019c-debadf9059f9" ], "related_substance": { "uuid": "242998d0-0435-495b-ad31-987c1d694d33", "refuuid": "80db7325-6556-4e59-9a61-0ca4bbd48335", "name": "ISONIAZID", "unii": "V83O1VOZ8L", "linking_id": "V83O1VOZ8L", "ref_pname": "ISONIAZID", "substance_class": "reference" } }, { "uuid": "b1592635-6373-9fb4-01e2-269b111efb07", "amount": { "uuid": "25f615ea-7a77-4990-aa1d-ecd63e9e0116" }, "type": "SOLVATE->ANHYDROUS", "references": [ "267e244b-a065-4690-b305-e18d2f615326" ], "related_substance": { "uuid": "398833b0-6373-4f3f-b2d3-43cecfd221ef", "refuuid": "502d9639-0599-487d-8d75-cd3fc78bf4a6", "name": "Hydrazine hydrate", "unii": "KYD297831P", "linking_id": "KYD297831P", "ref_pname": "Hydrazine hydrate" } }, { "uuid": "1473ea82-b22a-448f-bd10-15b2eb192e93", "amount": { "uuid": "6184f6c8-e707-49bb-b507-d31cfeaf7cfb" }, "type": "PARENT->IMPURITY", "related_substance": { "uuid": "99cefa87-01a9-4666-9c50-58a1e6372203", "refuuid": "5c37c692-0c0f-4b97-9215-18e47d8580f3", "name": "DAPSONE", "unii": "8W5C518302", "linking_id": "8W5C518302", "ref_pname": "DAPSONE", "substance_class": "reference" } } ], "names": [ { "uuid": "be34057e-8d16-fae1-53c2-c6ace6decc23", "name": "Allopurinol Impurity F [EP IMPURITY]", "stdName": "ALLOPURINOL IMPURITY F [EP IMPURITY]", "type": "cn", "languages": [ "en" ], "preferred": false, "references": [ "e522ec58-bde2-defb-019c-debadf9059f9" ], "display_name": false }, { "uuid": "692cc4f9-a923-4e8d-b2e8-83810683e39a", "name": "H 70 (FUEL)", "stdName": "H 70 (FUEL)", "type": "bn", "languages": [ "en" ], "preferred": false, "references": [ "22d89ab7-5875-4321-bc6c-3ac10dd62385", "2c226a59-ab22-4182-8b30-9839476eb492" ], "display_name": false }, { "uuid": "08d56f7a-cdfd-4641-a238-4fd5197a60b1", "name": "Hydrazine", "stdName": "HYDRAZINE", "type": "sys", "languages": [ "en" ], "preferred": false, "references": [ "e522ec58-bde2-defb-019c-debadf9059f9", "22d89ab7-5875-4321-bc6c-3ac10dd62385" ], "display_name": true }, { "uuid": "90693f16-4fea-4cd9-a80d-b2b0cc47e20b", "name": "Hydrazine [HSDB]", "stdName": "HYDRAZINE [HSDB]", "type": "cn", "languages": [ "en" ], "preferred": false, "references": [ "22d89ab7-5875-4321-bc6c-3ac10dd62385", "4e2b1abc-5367-40a8-a9a3-6d2297d4908e" ], "display_name": false }, { "uuid": "cedbcb3a-efc5-11f1-5f32-59f02fe0ba0b", "name": "Hydrazine [IARC]", "stdName": "HYDRAZINE [IARC]", "type": "cn", "languages": [ "en" ], "preferred": false, "references": [ "82a42b40-7c2d-2934-43e9-c9fb43d36dbf" ], "display_name": false }, { "uuid": "38ce396f-86db-4ac9-85a8-d57ed3498152", "name": "Hydrazine [MI]", "stdName": "HYDRAZINE [MI]", "type": "cn", "languages": [ "en" ], "preferred": false, "references": [ "22d89ab7-5875-4321-bc6c-3ac10dd62385" ], "display_name": false }, { "uuid": "49e1ef2a-bbaa-022a-1652-cd02abf72911", "name": "Hydrazine [WHO-DD]", "stdName": "HYDRAZINE [WHO-DD]", "type": "cn", "languages": [ "en" ], "preferred": false, "references": [ "0cbd4815-eaad-851b-74a8-51941fe61214" ], "display_name": false }, { "uuid": "d81e3bd5-e314-4806-bc8c-f583fd1b0e31", "name": "Hydrazine anhydrous", "stdName": "HYDRAZINE ANHYDROUS", "type": "cn", "languages": [ "en" ], "preferred": false, "references": [ "22d89ab7-5875-4321-bc6c-3ac10dd62385" ], "display_name": false }, { "uuid": "d7876fc3-34f8-b911-10f7-98866525f197", "name": "Isoniazid Impurity E [EP IMPURITY]", "stdName": "ISONIAZID IMPURITY E [EP IMPURITY]", "type": "cn", "languages": [ "en" ], "preferred": false, "references": [ "e522ec58-bde2-defb-019c-debadf9059f9" ], "display_name": false }, { "uuid": "93a20e47-f4c0-4f1f-96b4-6058ecc02ba5", "name": "LEVOXINE", "stdName": "LEVOXINE", "type": "bn", "languages": [ "en" ], "preferred": false, "references": [ "22d89ab7-5875-4321-bc6c-3ac10dd62385" ], "display_name": false }, { "uuid": "c1092850-0c0c-43e4-9c0c-578c0bf1dd11", "name": "NITROGEN HYDRIDE (N2H4)", "stdName": "NITROGEN HYDRIDE (N2H4)", "type": "cn", "languages": [ "en" ], "preferred": false, "references": [ "22d89ab7-5875-4321-bc6c-3ac10dd62385" ], "display_name": false }, { "uuid": "fa3d0771-b195-467c-bbd9-4c4374b423fa", "name": "OXYTREAT 35", "stdName": "OXYTREAT 35", "type": "bn", "languages": [ "en" ], "preferred": false, "references": [ "22d89ab7-5875-4321-bc6c-3ac10dd62385", "2c226a59-ab22-4182-8b30-9839476eb492" ], "display_name": false } ], "modifications": { "uuid": "c9a28515-bbad-4cef-8358-da5bcdad146d" } } ] }