Radium Ra-223

Radium Ra-223

SCHEMBL29367492

[226Ra]

nearest known ligand 0.00

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⚠ Novel chemotype — no close known analogue (best Tanimoto < 0.3). Unexplored chemical space relative to ChEMBL.

Similar compounds — the chemically nearest patent molecules

Nearest neighbours by Morgan-fingerprint cosine across the patent-compound collection, with each neighbour's top predicted target and the predicted targets it shares with this molecule.

Compoundsimilaritytop predictedshared targets
Strontium SCHEMBL30538689 1.00
Radium Ra-223 SCHEMBL29368855 1.00
Radium SCHEMBL29353527 1.00
Radium SCHEMBL30265712 1.00
SCHEMBL30020793 1.00
SCHEMBL29411160 1.00
Hydrochloric Acid SCHEMBL7943334 0.71
Iodide SCHEMBL163134 0.71
Lithium SCHEMBL31589045 0.71
Radium SCHEMBL7921283 0.71

Similarity is cosine over the 2,048-bit Morgan fingerprint (≈ Tanimoto). Identical fingerprints score 1.00.

Patent provenance — the patents this molecule appears in, and who filed them

Claimed or disclosed in 586 patents — showing the first 20. claimed = in the patent's claims; disclosed = body only.

PatentTitleAssigneePublishedPriorityFilingCountryStatus
US-12616848-B2 Energy augmentation structures, energy emitters or energy collectors containing the same, and their use in solar cells and other energy conversion devices IMMUNOLIGHT, LLC (US) 2026-05-05 US claimed
EP-4725042-A2 LIQUID DEPOSITION OF SALTS FOR BOMBARDMENT TARGET PREPARATION NORTHSTAR MEDICAL TECHNOLOGIES, LLC (US) 2026-04-15 EP claimed
EP-4702578-A1 APPARATUS, SYSTEM AND METHOD FOR RADIOISOTOPE PRODUCTION USING ELECTRONS Full-Life Technology Europe (BE) 2026-03-04 EP claimed
US-12513812-B2 Compact D-Li neutron generator apparatus, system and method for the production of isotopes Actinium LLC (US) 2025-12-30 US claimed
WO-2025235824-A2 TECHNIQUES FOR OBTAINING TERBIUM-161 AND RELATED SYSTEMS AND METHODS FUSION ENERGY SOLUTIONS, INC (US) 2025-11-13 WO claimed
WO-2025235030-A1 TECHNIQUES FOR PRODUCING ACTINIUM-225 AND RELATED SYSTEMS AND METHODS FUSION ENERGY SOLUTIONS, INC. (US) 2025-11-13 WO claimed
WO-2025235826-A2 TECHNIQUES FOR OBTAINING ACTINIUM-225 FROM RADIUM-226 AND RELATED SYSTEMS AND METHODS FUSION ENERGY SOLUTIONS, INC. (US) 2025-11-13 WO claimed
US-20250342979-A1 TECHNIQUES FOR PRODUCING ACTINIUM-225 AND RELATED SYSTEMS AND METHODS FUSION ENERGY SOLUTIONS, INC. (US) 2025-11-06 US claimed
EP-4643354-A1 METHOD FOR PRODUCTION OF ACTINIUM-225 BWXT Medical Ltd. (CA) 2025-11-05 EP claimed
WO-2025202800-A1 FUSION GENERATED PARTICLE RADIATING DEVICE AND RADIATING METHOD THEREOF AGENZIA NAZIONALE PER LE NUOVE TECNOLOGIE, L'ENERGIA E LO SVILUPPO ECONOMICO SOSTENIBILE (ENEA) (IT) 2025-10-02 WO claimed
US-20220199277-A1 APPARATUS FOR PRODUCING RADIONUCLIDE AND METHOD FOR PRODUCING RADIONUCLIDE HITACHI, LTD. (JP) 2022-06-23 US claimed
US-20220199276-A1 SYSTEMS AND METHODS FOR PRODUCING ACTINIUM-225 UNITED STATES DEPARTMENT OF ENERGY 2022-06-23 US claimed
CN-111627570-B Method for improving inherent safety of transuranic fuel operation of liquid molten salt reactor 中国科学院上海应用物理研究所 2022-06-21 CN claimed
US-11348702-B2 System, emanation generator, and process for production of high-purity therapeutic radioisotopes BATTELLE MEMORIAL INSTITUTE (US) 2022-05-31 US claimed
EP-3987550-A1 METHOD FOR PRODUCING ACTININIUM-225 FROM RADIUM-226 Nuclear Research and Consultancy Group (NL) 2022-04-27 EP claimed
US-20220108812-A1 METHOD FOR PRODUCING ACTININIUM-225 FROM RADIUM-226 NRG PALLAS B.V. (NL) 2022-04-07 US claimed
EP-3968342-A1 APPARATUS FOR PRODUCING RADIONUCLIDE AND METHOD FOR PRODUCING RADIONUCLIDE Hitachi, Ltd. (JP) 2022-03-16 EP claimed
CN-114029325-A Method for replacing and repairing underground water of in-situ leaching uranium mining base by adopting sewage pumping and cleaning 核工业北京化工冶金研究院 2022-02-11 CN claimed
WO-2022031925-A1 ULTRA EFFICIENT ACCELERATOR PRODUCTION OF ISOTOPICALLY PURE ACTINIUM-225 CRYORAD, INC. (US) 2022-02-10 WO claimed
WO-2022030038-A1 RADIONUCLIDE PRODUCTION SYSTEM AND METHOD 株式会社日立製作所 2022-02-10 WO claimed