# (5aS,10bR)-2-(Perfluorophenyl)-4,5a,6,10b-tetrahydro-2H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-11-ium tetrafluoroborate CAS: 740816-14-2 PubChem CID: 11190533 InChIKey: CPCMDOOTVHDRTM-OUYNRQGDSA-N Wikidata: Q82281379 Molecular formula: C₁₈H₁₁BF₉N₃O Molar mass: 467.1 g/mol IUPAC: (1R,9S)-4-(2,3,4,5,6-pentafluorophenyl)-8-oxa-4,5-diaza-2-azoniatetracyclo[7.7.0.02,6.011,16]hexadeca-2,5,11,13,15-pentaene tetrafluoroborate SMILES: [B-](F)(F)(F)F.C1[C@H]2[C@@H](C3=CC=CC=C31)[N+]4=CN(N=C4CO2)C5=C(C(=C(C(=C5F)F)F)F)F InChI: InChI=1S/C18H11F5N3O.BF4/c19-12-13(20)15(22)18(16(23)14(12)21)26-7-25-11(24-26)6-27-10-5-8-3-1-2-4-9(8)17(10)25;2-1(3,4)5/h1-4,7,10,17H,5-6H2;/q+1;-1/t10-,17+;/m0./s1 PSA: 30.9 A^2 Hydrogen bond donors: 0 Hydrogen bond acceptors: 12 Rotatable bonds: 1 Heavy atoms: 32 3D structure: 43 atoms, 46 bonds ## About the compound (5aS,10bR)-2-(Perfluorophenyl)-4,5a,6,10b-tetrahydro-2H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-11-ium tetrafluoroborate is a chemical compound registered under CAS number 740816-14-2. Molecular formula: C₁₈H₁₁BF₉N₃O. Molar mass: 467.1 g/mol. The full systematic IUPAC name is: (1R,9S)-4-(2,3,4,5,6-pentafluorophenyl)-8-oxa-4,5-diaza-2-azoniatetracyclo[7.7.0.02,6.011,16]hexadeca-2,5,11,13,15-pentaene tetrafluoroborate. The molecule contains 43 atoms connected by 46 chemical bonds. Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://molgod.org/molecule/740816-14-2/ ## Synonyms - 740816-14-2 - MFCD08459334 - C18H11BF9N3O - SCHEMBL29918207 - (1R, - AC-37518 - SY251637 - D74611 - F870133 ## Data sources - PubChem CID 11190533: https://pubchem.ncbi.nlm.nih.gov/compound/11190533 - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=740816-14-2 - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=740816-14-2 --- Standalone HTML page: https://molgod.org/molecule/740816-14-2/ Canonical: https://molgod.org/molecule/740816-14-2/ Markdown version: https://molgod.org/molecule/740816-14-2.md JSON API: https://molgod.org/wp-json/molgod/v1/molecule/740816-14-2 Last updated: 2026-09-03 Licence: Chemical facts in this record come from the public sources credited above; MolGod.org claims no rights in them. The selection, arrangement and texts of this record are © MolGod.org, all rights reserved. Details: https://molgod.org/copyright/#data How to cite: MolGod.org. "(5aS,10bR)-2-(Perfluorophenyl)-4,5a,6,10b-tetrahydro-2H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-11-ium tetrafluoroborate (CAS 740816-14-2)." Last modified 2026-09-03. https://molgod.org/molecule/740816-14-2/ — for a chemical fact, cite its primary source (PubChem CID 11190533); for a 3D model file, cite its MolGod ID, the variant and the SHA-256 from its licence record. Generator: MOL-GOD v3.12.33