POZIOTINIB


Synonyms	HM 781-36 HM 781-36B HM-781-36 HM-781-36B HM781-36B Hm-781-36b NOV-120101 Poziotinib Poziotinib hydrochloride
Status
Molecule Category	Free-form
UNII	OEI6OOU6IK
EPA CompTox	DTXSID80148853

Structure


InChI Key	LPFWVDIFUFFKJU-UHFFFAOYSA-N
Smiles	C=CC(=O)N1CCC(Oc2cc3c(Nc4ccc(Cl)c(Cl)c4F)ncnc3cc2OC)CC1
InChI	InChI=1S/C23H21Cl2FN4O3/c1-3-20(31)30-8-6-13(7-9-30)33-19-10-14-17(11-18(19)32-2)27-12-28-23(14)29-16-5-4-15(24)21(25)22(16)26/h3-5,10-13H,1,6-9H2,2H3,(H,27,28,29)

Physicochemical Descriptors

Property Name	Value
Molecular Formula	C23H21Cl2FN4O3
Molecular Weight	491.35
AlogP	5.38
Hydrogen Bond Acceptor	6.0
Hydrogen Bond Donor	1.0
Number of Rotational Bond	6.0
Polar Surface Area	76.58
Molecular species	NEUTRAL
Aromatic Rings	3.0
Heavy Atoms	33.0

Pharmacology

Mechanism of Action	Action	Reference
Epidermal growth factor receptor inhibitor	INHIBITOR	PubMed

Targets	EC50(nM)	IC50(nM)	Kd(nM)	Ki(nM)	Inhibition(%)
Enzyme Kinase Protein Kinase TK protein kinase group Tyrosine protein kinase EGFR family	-	0.078-12	-	-	-

	EC50(nM)	IC50(nM)	Kd(nM)	Ki(nM)	Inhibition(%)
Homo sapiens	-	0.078-110	-	-	-

Target Conservation


Protein: Epidermal growth factor receptor Description: Epidermal growth factor receptor Organism : Homo sapiens P00533 ENSG00000146648












Protein: Epidermal growth factor receptor Description: Receptor tyrosine-protein kinase erbB-2 Organism : Homo sapiens P04626 ENSG00000141736











Protein: Epidermal growth factor receptor Description: Receptor tyrosine-protein kinase erbB-3 Organism : Homo sapiens P21860 ENSG00000065361












Protein: Epidermal growth factor receptor Description: Receptor tyrosine-protein kinase erbB-4 Organism : Homo sapiens Q15303 ENSG00000178568

Related Entries

Cross References

Resources	Reference
ChEMBL	CHEMBL3545154
DrugBank	DB12114
FDA SRS	OEI6OOU6IK
Guide to Pharmacology	7903
PubChem	25127713
SureChEMBL	SCHEMBL3391764
ZINC	ZINC000095930125

CONTENTS

EcoDrug+ was developed under the PREMIER Innovative Medicines Initiative 2 Joint Undertaking (JU) under grant agreement No 875508. The JU receives support from the EU’s Horizon 2020 research and innovation programme and the European Federation of Pharmaceutical Industries and Associations (EFPIA). The views reflect only the authors’ perspective and the JU is not responsible for any use that may be made of the information EcoDrug+ contains.

Elements of EcoDrug+ were developed under the Biocenter Finland Drug Discovery and Chemical Biology network. CSC-IT Center for Science Ltd is thanked for providing computational resources. Credit is given to Ensembl for collecting species images (provided under public domain licences such as Wikimedia and NHGRI).

Content of EcoDrug+ is provided without guarantee for correctness.

Cite Us:

Ashenafi Legehar, Siobhán Monaghan, Mael Briand, Akseli Niemelä, Leo Ghemtio, Ziaurrehman Tanoli, A Ross Brown, Charles R Tyler, Henri Xhaard, EcoDrug PLUS: an advanced database for drug target conservation analysis and environmental risk assessment, Nucleic Acids Research, 2025, gkaf1251 Read...

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Last update: Monday, 3 November 2025