{ "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": "3813732c-d067-448b-8cf8-23f70eb5d772", "code": "1603-02-7", "type": "PRIMARY", "url": "https://commonchemistry.cas.org/detail?cas_rn=1603-02-7", "code_system": "CAS", "references": [ "6fabc21a-e678-4b59-a934-e1d1dab03e23", "42a91baa-9e38-4920-b867-8df41f5bdf5a" ] }, { "uuid": "12b300be-9d32-4b38-8008-16356970ac4a", "code": "216-500-9", "type": "PRIMARY", "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.015.001", "code_system": "ECHA (EC/EINECS)", "references": [ "6fabc21a-e678-4b59-a934-e1d1dab03e23" ] }, { "uuid": "959a8a67-1704-4b41-bc6a-cd5a663c94a1", "code": "74142", "type": "PRIMARY", "url": "https://pubchem.ncbi.nlm.nih.gov/compound/74142", "code_system": "PUBCHEM", "references": [ "6fabc21a-e678-4b59-a934-e1d1dab03e23" ] }, { "uuid": "e40f97c5-c611-17b4-f2c7-0fab07739623", "code": "DTXSID20862708", "type": "PRIMARY", "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID20862708", "code_system": "EPA CompTox" }, { "uuid": "1698b747-7fee-4f0d-9263-223c66a0791a", "code": "T3YK834X4U", "type": "PRIMARY", "code_system": "FDA UNII" } ], "substance_class": "chemical", "names": [ { "uuid": "9482df69-babe-49ef-90d1-28fa23af1fb9", "name": "2,5,6-Triaminopyrimidin-4-yl hydrogen sulfate", "stdName": "2,5,6-TRIAMINOPYRIMIDIN-4-YL HYDROGEN SULFATE", "type": "sys", "languages": [ "en" ], "preferred": false, "references": [ "42a91baa-9e38-4920-b867-8df41f5bdf5a" ], "display_name": true }, { "uuid": "8c5f2eca-6d40-49c9-bf55-c2a22c9a972b", "name": "4-Pyrimidinol, 2,5,6-triamino-, 4-(hydrogen sulfate)", "stdName": "4-PYRIMIDINOL, 2,5,6-TRIAMINO-, 4-(HYDROGEN SULFATE)", "type": "sys", "languages": [ "en" ], "preferred": false, "references": [ "42a91baa-9e38-4920-b867-8df41f5bdf5a" ], "display_name": false }, { "uuid": "bfaf75d1-011d-48e1-bd47-5553f9173714", "name": "4-Pyrimidinol, 2,5,6-triamino-, hydrogen sulfate (ester)", "stdName": "4-PYRIMIDINOL, 2,5,6-TRIAMINO-, HYDROGEN SULFATE (ESTER)", "type": "sys", "languages": [ "en" ], "preferred": false, "references": [ "42a91baa-9e38-4920-b867-8df41f5bdf5a" ], "display_name": false } ], "references": [ { "uuid": "2806cc40-f2be-428f-b08a-697aab3f7219", "citation": "CFSAN", "doc_type": "SRS", "public_domain": true, "tags": [ "NOMEN" ] }, { "uuid": "6fabc21a-e678-4b59-a934-e1d1dab03e23", "citation": "SRS CODE IMPORT", "doc_type": "SRS", "public_domain": true, "document_date": 1493391950000, "tags": [ "NOMEN" ] }, { "uuid": "42a91baa-9e38-4920-b867-8df41f5bdf5a", "citation": "STN", "doc_type": "STN (SCIFINDER)", "public_domain": true, "tags": [ "PUBLIC_DOMAIN_RELEASE" ] } ], "definition_type": "PRIMARY", "moieties": [ { "uuid": "cceaee13-125c-4888-9577-a9949ed4a533", "id": "cceaee13-125c-4888-9577-a9949ed4a533", "molfile": "\n Marvin 01132110352D \n\n 14 14 0 0 0 0 999 V2000\n 0.0000 0.0000 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 0.7064 -0.4155 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0\n 1.4169 0.0000 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 2.1275 -0.4155 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0\n 2.8338 0.0000 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 2.1275 -1.2549 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0\n 2.8338 -1.6704 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 1.4169 -1.6704 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0\n 1.4169 -2.5014 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0\n 1.4211 -3.3283 0.0000 S 0 0 0 0 0 0 0 0 0 0 0 0\n 1.4169 -4.1551 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0\n 2.2479 -3.3283 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0\n 0.5942 -3.3283 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0\n 0.7064 -1.2549 0.0000 N 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 14 2 2 0 0 0 0\n 3 4 2 0 0 0 0\n 4 5 1 0 0 0 0\n 4 6 1 0 0 0 0\n 6 7 1 0 0 0 0\n 8 6 2 0 0 0 0\n 9 8 1 0 0 0 0\n 14 8 1 0 0 0 0\n 10 9 1 0 0 0 0\n 10 11 1 0 0 0 0\n 10 12 2 0 0 0 0\n 10 13 2 0 0 0 0\nM END", "smiles": "c1(c(N)nc(N)nc1OS(=O)(=O)O)N", "formula": "C4H7N5O4S", "atropisomerism": "No", "charge": 0, "count": 1, "stereochemistry": "ACHIRAL", "count_amount": { "type": "MOL RATIO", "average": 1, "units": "MOL RATIO", "uuid": "b1ae63de-744e-40d8-995f-b4372141105b" }, "defined_stereo": 0, "ez_centers": 0, "molecular_weight": "221.1957", "optical_activity": "NONE", "stereo_centers": 0 } ], "definition_level": "COMPLETE", "uuid": "7b928812-1c3a-475a-b573-5b98484caac3", "version": "7", "structure": { "id": "b3ef1ebe-fa94-4421-a7bd-c5b815ccece3", "molfile": "4-Pyrimidinol, 2,5,6-triamino-, 4-(hydrogen sulfate)\n JSDraw208092408262D\n\n 14 14 0 0 0 0 0 V2000\n 26.5190 -6.1359 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0\n 27.8701 -6.9161 0.0000 S 0 0 0 0 0 0 6 0 0 0 0 0\n 29.2211 -7.6961 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0\n 27.0901 -8.2670 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0\n 28.6501 -5.5650 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0\n 23.8171 -4.5759 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 21.1149 -6.1359 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 23.8171 -10.8161 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 25.1680 -6.9161 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0\n 23.8171 -6.1359 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0\n 25.1680 -8.4761 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 22.4660 -6.9161 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0\n 23.8171 -9.2561 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0\n 22.4660 -8.4761 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0\n 1 2 1 0 0 0 0\n 1 9 1 0 0 0 0\n 2 3 2 0 0 0 0\n 2 4 2 0 0 0 0\n 2 5 1 0 0 0 0\n 6 10 1 0 0 0 0\n 7 12 1 0 0 0 0\n 8 13 1 0 0 0 0\n 9 10 1 0 0 0 0\n 9 11 2 0 0 0 0\n 10 12 2 0 0 0 0\n 11 13 1 0 0 0 0\n 12 14 1 0 0 0 0\n 13 14 2 0 0 0 0\nM END", "smiles": "c1(c(N)nc(N)nc1OS(=O)(=O)O)N", "formula": "C4H7N5O4S", "atropisomerism": "No", "charge": 0, "count": 1, "stereochemistry": "ACHIRAL", "defined_stereo": 0, "ez_centers": 0, "molecular_weight": "221.1957", "optical_activity": "NONE", "references": [ "2806cc40-f2be-428f-b08a-697aab3f7219", "42a91baa-9e38-4920-b867-8df41f5bdf5a" ], "stereo_centers": 0 }, "unii": "T3YK834X4U" } ] }