Pyridazine

Pyridazine

SCHEMBL5104

c1ccnnc1

nearest known ligand 0.00

Full drug profile on Sugi Atlas →

⚠ 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
Pyridazine SCHEMBL11423 1.00 TSHR (0.42)
Pyridazine SCHEMBL29471424 1.00
Pyridazine SCHEMBL1291979 0.94
Pyridazine SCHEMBL5361937 0.94
Pyridazine SCHEMBL8874426 0.94 TSHR (0.39)
Pyridazine SCHEMBL8987981 0.94
Pyridazine SCHEMBL21222853 0.94
Pyridazine SCHEMBL21626119 0.94 TSHR (0.39)
Pyridazine SCHEMBL20568253 0.94
Pyridazine SCHEMBL21405425 0.94

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

Appears in 201742 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
US-20260149042-A1 IONIC LIQUID, ELECTROLYTE FOR SECONDARY BATTERY COMPRISING THE IONIC LIQUID, AND SECONDARY BATTERY COMPRISING THE SAME SK ON CO., LTD. (KR) 2026-05-28 US claimed
US-20260150489-A1 ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE ORGANOMETALLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE SAMSUNG ELECTRONICS CO., LTD. (KR) 2026-05-28 US claimed
US-20260146168-A1 MATERIALS FOR FORMING A NUCLEATION-INHIBITING COATING AND DEVICES INCORPORATING SAME OTI LUMIONICS INC. (CA) 2026-05-28 US claimed
US-20260146124-A1 RESIN COMPOSITION AND USES OF THE SAME TAIWAN UNION TECHNOLOGY CORPORATION (TW) 2026-05-28 US claimed
US-20260150490-A1 ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING ORGANOMETALLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING ORGANIC LIGHT-EMITTING DEVICE SAMSUNG ELECTRONICS CO., LTD. (KR) 2026-05-28 US claimed
EP-4747283-A1 TYROSINE-PROTEIN KINASE MEMBRANE RECEPTOR 1 (ROR1) ANTIBODY-DRUG CONJUGATES AND USES THEREOF Exelixis, Inc. (US) 2026-05-27 EP claimed
EP-4747282-A1 ACTIVATABLE TYROSINE-PROTEIN KINASE MEMBRANE RECEPTOR (ROR) ANTIBODY-DRUG CONJUGATES AND USES THEREOF Exelixis, Inc. (US) 2026-05-27 EP claimed
EP-4746922-A2 INTERLEUKIN-13 RECEPTOR SUBUNIT ALPHA-2 ANTIBODY-DRUG CONJUGATES AND USES THEREOF Exelixis, Inc. (US) 2026-05-27 EP claimed
EP-4750285-A1 ORGANOMETALLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE ORGANOMETALLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE Samsung Display Co., Ltd. (KR) 2026-05-27 EP claimed
CN-122080075-A Organometallic compound, organic light-emitting device including the same, and electronic apparatus including the organic light-emitting device 2026-05-26 CN claimed
US-3993646-A Process for the ring expansion of penicillins to cephalosporin compounds FUJISAWA PHARMACEUTICAL CO., LTD. (JA) 1976-11-23 US claimed
US-3992371-A BACTERICIDES SUMITOMO CHEMICAL COMPANY, LIMITED (JA) 1976-11-16 US claimed
US-3989832-A Combating bacteria with nitroimidazolyl-triazolo-pyridiazine compounds BOEHRINGER MANNHEIM G.M.B.H. (DT) 1976-11-02 US claimed
US-3980633-A PESTICIDES BASF AKTIENGESELLSCHAFT (DT) 1976-09-14 US claimed
US-3968066-A Oil and water repellent textile composition containing a fluorochemical polyurethane resin and a quaternary ammonium salt CIBA-GEIGY CORPORATION (US) 1976-07-06 US claimed
US-3961059-A 6-(Substituted phenoxy)tetrazolo(1,5-b)pyridazines and a method of use for control of soil-borne plant diseases THE DOW CHEMICAL COMPANY (US) 1976-06-01 US claimed
US-3956040-A Explosive slurry composition containing sodium montmorillonite GELAN KABUSHIKI KAISHA (JA) 1976-05-11 US claimed
US-3950333-A HISTAMINE INHIBITORS, OXYALKYL, THIOALKYL, AMINOALKYL DERIVATIVES SMITH KLINE & FRENCH LABORATORIES LIMITED (EN) 1976-04-13 US claimed
US-3940248-A WATER SOLUBLE 8-HYDROXY-S-TRIAZOLO(B)PYRIDAZINE COMPOUNDS OTSUKA KAGAKU YAKUHIN KABUSHIKI KAISHA (JA) 1976-02-24 US claimed
US-3936332-A DIAZINE, PEROXYSULFATE, HALOGEN COMPOUND TOKAI DENKA KOGYO KABUSHIKI KAISHA (JA) 1976-02-03 US claimed